{
  "schema": "canli.company-reference.v1",
  "cik": "0000874716",
  "name": "IDEXX LABORATORIES INC /DE",
  "selection_policy": "extended-v22",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000874716.json",
  "source_sha256": "0e6062dd20371329a7570315c03bbe5ae0b5c7ae89af18e7309e1b26e3ab4260",
  "fetched_at": "2026-09-20T05:00:46.809Z",
  "policy": "Latest-filed annual-report facts per unit and reporting period at capture time. Duration facts cover 300 to 400 days. This selection can include restatements and is not a point-in-time backtest dataset. Missing concepts are omitted, never zero-filled. Values retain original units and are not currency converted. Extended concepts require compatible unit shapes and at least three reporting ends with changing values within one unit. Constant or incompatible added histories are omitted.",
  "claim_boundary": "Public company accounting reference, not market prices, returns, an investment recommendation, or ALPHAC performance. Validate a separately constructed return series with the validation API; accounting values are not returns.",
  "concepts": [
    {
      "tag": "Assets",
      "taxonomy": "us-gaap",
      "label": "Total assets",
      "kind": "instant",
      "meaning": "Resources recognized on the balance sheet. Book assets are not the market value of the business.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 3350759000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 3293443000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 3259925000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 2746765000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 2437203000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 2294561000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1832475000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-01-01",
          "val": 1620064000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1537349000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-01-01",
          "val": 1741691000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1713416000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1530704000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1474993000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1384211000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1230516000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1103602000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1030814000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 897144000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 808527000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Liabilities",
      "taxonomy": "us-gaap",
      "label": "Total liabilities",
      "kind": "instant",
      "meaning": "Recognized obligations at the reporting date. The definition and scope differ from interest-bearing debt.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 1745376000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1698130000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1775395000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 2138028000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1747211000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1661766000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1654650000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-01-01",
          "val": 1629297000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1546582000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-01-01",
          "val": 1800509000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1767258000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1638917000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1558988000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1266622000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 712302000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 467345000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 491221000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 322863000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 293948000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquity",
      "taxonomy": "us-gaap",
      "label": "Stockholders equity",
      "kind": "instant",
      "meaning": "The reported residual interest after liabilities. It is an accounting amount, not market capitalization.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 1605383000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1595313000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1484530000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 608737000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 689992000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 632088000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 177473000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": -9513000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": -54106000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": -108352000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": -84125000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 117516000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 518186000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 636223000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 539579000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 574235000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 514569000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CashAndCashEquivalentsAtCarryingValue",
      "taxonomy": "us-gaap",
      "label": "Cash and cash equivalents",
      "kind": "instant",
      "meaning": "Cash and qualifying short-term liquid investments under the filer’s accounting policy. Restricted cash and longer-term investments may be reported separately.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 180070000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 288266000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 453932000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 112546000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 144454000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 383928000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 90326000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 123794000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 187675000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 154901000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 128994000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 322536000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 279058000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 223986000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 183895000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 156915000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 106728000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 78868000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2008Q4I",
          "unit": "USD"
        },
        {
          "end": "2007-12-31",
          "val": 60360000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2007Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Net income or loss",
      "kind": "duration",
      "meaning": "Reported profit or loss for the period. Check the filing for attribution, exceptional items and discontinued operations before comparing companies.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 1059464000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 887867000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 845042000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 679089000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 744845000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 581776000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 427720000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 377031000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 263144000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 222045000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 192078000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 181906000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 187800000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 178267000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 161786000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 141284000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 122225000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 116169000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInOperatingActivities",
      "taxonomy": "us-gaap",
      "label": "Operating cash flow",
      "kind": "duration",
      "meaning": "Cash generated or used by operating activities. Working-capital timing can make this differ substantially from reported income.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 1181805000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 929001000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 906510000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 542984000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 755546000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 648063000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 459158000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 400084000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 373276000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 235846000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 245996000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 222408000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 217913000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 178833000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 174952000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 143308000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsToAcquirePropertyPlantAndEquipment",
      "taxonomy": "us-gaap",
      "label": "Capital expenditure payments",
      "kind": "duration",
      "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 124676000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 120922000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 133631000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 148838000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 119549000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 106958000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 154969000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 115751000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 74384000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 64787000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 82921000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 60523000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 77612000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 57618000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 49677000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 38908000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 50663000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 89971000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RevenueFromContractWithCustomerExcludingAssessedTax",
      "taxonomy": "us-gaap",
      "label": "Contract revenue excluding tax",
      "kind": "duration",
      "meaning": "Revenue from customer contracts excluding assessed taxes under this specific taxonomy concept. It is not automatically comparable to older revenue tags.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 4303702000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 3897504000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 3660953000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 3367324000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 3215360000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 2706655000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 2406908000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 2213242000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1969058000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1775423000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -1164964000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -878073000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -441996000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -370936000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -697414000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -248416000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -286409000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -597799000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -208016000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -103438000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -102451000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -125343000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -97657000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -86769000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -95295000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -30790000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInInvestingActivities",
      "taxonomy": "us-gaap",
      "label": "Investing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": -136239000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -207062000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -125254000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -195350000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -292967000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -109376000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -205528000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 138602000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -138688000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -80413000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -86059000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -58131000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -94209000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -43190000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -53621000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -91595000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "RetainedEarningsAccumulatedDeficit",
      "taxonomy": "us-gaap",
      "label": "Retained earnings or deficit",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 6391902000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 5332438000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 4444571000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 3599529000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 2920440000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 2175595000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1595648000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1167928000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-01-01",
          "val": 798569000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 803545000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 540401000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 318356000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1675299000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1493393000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1305593000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1127326000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 965540000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 824256000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfSharesOutstandingBasic",
      "taxonomy": "us-gaap",
      "label": "Basic weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 80427000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 82467000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 83066000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 83623000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 85200000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 85342000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 86115000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 86864000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 87769000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 89732000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 92601000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 100094000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 106318000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 54985000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 56790000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 57713000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 58809000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 59953000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 81025000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 83246000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 83978000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 84600000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 86572000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 86722000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 87542000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 88470000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 89567000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 90884000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 93649000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 101503000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 107970000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 56155000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 58214000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 59559000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 60682000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 62249000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 13.17,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 10.77,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 10.17,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 8.12,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 8.74,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 6.82,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 4.97,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 4.34,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 3,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2.47,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2.07,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1.82,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1.77,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 3.24,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 2.85,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2.45,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2.08,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 1.94,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareDiluted",
      "taxonomy": "us-gaap",
      "label": "Diluted earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per share under dilution rules. Antidilutive instruments may be excluded. A diluted value can equal the basic value without implying no potential dilution.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 13.08,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 10.67,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 10.06,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 8.03,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 8.6,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 6.71,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 4.89,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 4.26,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2.94,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2.44,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 2.05,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1.79,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1.74,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 3.17,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 2.78,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2.37,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 2.01,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 1.87,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD/shares"
        }
      ]
    },
    {
      "tag": "IncomeTaxExpenseBenefit",
      "taxonomy": "us-gaap",
      "label": "Income tax expense or benefit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Current and deferred income tax expense or benefit for continuing operations. This accounting expense differs from cash taxes paid.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 264725000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 221964000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 216134000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 180883000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 157810000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 79854000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 94426000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 80695000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 117788000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 99792000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 81006000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 64604000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 75467000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 82330000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 72668000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 60809000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 52304000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 54018000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PropertyPlantAndEquipmentNet",
      "taxonomy": "us-gaap",
      "label": "Net property, plant and equipment",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Carrying amount of property, plant and equipment after accumulated depreciation, depletion and amortization. It is not replacement cost or market value.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 747380000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 713123000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 702177000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 649474000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 587667000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 555167000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 533845000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 437270000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-01-01",
          "val": 379096000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 379096000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 357422000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 333026000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 303587000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 281214000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 245177000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 216777000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 201725000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 199946000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ShareBasedCompensation",
      "taxonomy": "us-gaap",
      "label": "Share-based compensation expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Reported noncash expense for share-based payment arrangements. Noncash treatment does not mean the awards have no economic cost to shareholders.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 60013000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 60295000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 59739000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 49770000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 37755000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 30951000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 39278000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 25157000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 23517000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 19891000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 19884000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 18099000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 16539000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 15952000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 15496000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 13262000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 11623000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 10501000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingIncomeLoss",
      "taxonomy": "us-gaap",
      "label": "Operating income or loss",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Operating revenue less operating expenses for the reporting period. It excludes items outside the reported operating result and is not free cash flow.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 1360031000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1128337000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1097128000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 898765000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 932028000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 694524000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 552846000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 491335000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 413028000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 350239000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 299912000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 260255000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 266762000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 262563000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 236225000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 203881000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 175969000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 172456000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Assets classified as current under the normal operating cycle or one-year boundary. Not all current assets can be converted immediately into cash.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 1413827000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1399897000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1495254000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1101477000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 955655000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1062738000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 679639000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-01-01",
          "val": 653180000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 654172000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 971985000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 845584000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 821634000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 759398000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 652706000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 569537000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 524227000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 460591000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 376338000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InterestExpense",
      "taxonomy": "us-gaap",
      "label": "Interest expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Borrowing costs recognized as interest expense. This is distinct from cash interest paid and may not include every capitalized borrowing cost.",
      "observations": [
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 41581000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 39858000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 29808000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 33125000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 31055000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 34744000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 37225000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 32049000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 29239000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 15429000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 5386000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 3848000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 3547000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 2415000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1916000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 4589000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "LiabilitiesCurrent",
      "taxonomy": "us-gaap",
      "label": "Current liabilities",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Obligations classified as current under the operating-cycle or one-year boundary. The balance includes more than short-term borrowing.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 1148814000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1067916000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 951547000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1235803000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 763579000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 582761000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 725337000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-01-01",
          "val": 784220000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 770444000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1004567000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 934568000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 856761000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 820906000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 478353000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 406333000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 436879000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 285112000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 256305000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsPayableCurrent",
      "taxonomy": "us-gaap",
      "label": "Current accounts payable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current amounts owed to suppliers for goods and services received. This is one component of current liabilities, not all accrued obligations.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 110408000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 114211000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 110643000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 110221000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 116140000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 74558000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 72172000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 69534000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-01-01",
          "val": 66968000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 66968000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 60057000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 52648000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 44743000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 29941000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 35288000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 36551000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 22669000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 19133000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Goodwill",
      "taxonomy": "us-gaap",
      "label": "Goodwill carrying amount",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Recognized goodwill remaining after accumulated impairment. It arises from business combinations and does not measure the current value of the company’s brand.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 414004000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 405100000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 366000000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 361795000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 359345000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 243347000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 239724000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 214489000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 199873000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 178228000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 178934000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 184450000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 180521000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 174994000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 172610000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 149112000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 148705000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 138768000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2008Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "FiniteLivedIntangibleAssetsNet",
      "taxonomy": "us-gaap",
      "label": "Net finite-lived intangible assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Finite-lived intangible assets after amortization. This excludes goodwill and should not be combined with indefinite-lived intangible assets without checking scope.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 109843000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 111676000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 84500000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 97672000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 99035000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 52543000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 58468000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 41825000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 43846000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 46155000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 55909000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 65122000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 58844000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 62833000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2012Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AccountsReceivableNetCurrent",
      "taxonomy": "us-gaap",
      "label": "Net current accounts receivable",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Current customer receivables after the allowance for credit loss. The balance is not cash collected or a guarantee of collection.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 552378000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 473575000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 457445000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 400619000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 368348000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 331429000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 269312000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 248855000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-01-01",
          "val": 237281000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 234597000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 204494000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 188318000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 152380000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 158038000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 138324000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 141275000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 120080000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 115107000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsForRepurchaseOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Common-stock repurchase payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid to reacquire common stock during the period. This is not an authorization limit or a direct measure of the net change in share count.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 1216964000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 837034000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 71920000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 819711000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 746777000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 182815000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 301658000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 369319000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 282565000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 304086000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 401981000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 618158000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 367761000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 132268000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 255505000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 143090000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 83099000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 132342000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "OperatingExpenses",
      "taxonomy": "us-gaap",
      "label": "Operating expenses",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Recurring operating costs under this accounting concept, generally excluding production costs included in cost of sales. Check filing presentation before combining expense subtotals.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 1299548000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1250590000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1092842000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1105573000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 750207000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2018",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "InventoryNet",
      "taxonomy": "us-gaap",
      "label": "Net inventory",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Inventory carrying amount after applicable valuation and LIFO reserves. It does not establish realizable selling proceeds or inventory turnover without other inputs.",
      "observations": [
        {
          "end": "2025-12-31",
          "val": 377756000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 381877000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 380282000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 367823000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 269030000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 209873000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 195019000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 173303000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-01-01",
          "val": 163184000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 164318000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 158034000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 188833000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 160342000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 133427000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 140946000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 133099000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 127885000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 110425000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "GrossProfit",
      "taxonomy": "us-gaap",
      "label": "Gross profit",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Revenue less the costs directly attributed to the goods or services sold. It precedes other operating expenses and is not net income.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 2659579000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 2378927000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 2189970000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 2004338000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1889432000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1571040000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1365549000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1241542000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1097382000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 975436000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 890270000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 816116000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 756118000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 699148000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 646506000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 578623000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 526281000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 529766000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "CostOfRevenue",
      "taxonomy": "us-gaap",
      "label": "Cost of revenue",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Costs attributed to goods produced and sold and services provided during the period. This is not the sum of every operating expense.",
      "observations": [
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1470983000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1362986000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1325928000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1135615000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1041359000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 971700000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 871676000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 799987000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 711622000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 669691000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 620940000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 594190000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 572183000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 524769000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 505352000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 494264000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "ResearchAndDevelopmentExpense",
      "taxonomy": "us-gaap",
      "label": "Research and development expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Research and development costs recognized as expense. Capitalization policies and acquired projects can make this differ from total cash invested in development.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 251207000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 219792000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 190951000,
          "accn": "0000874716-26-000038",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-20",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 254820000,
          "accn": "0000874716-25-000037",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-21",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 161009000,
          "accn": "0000874716-24-000057",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-22",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 141249000,
          "accn": "0000874716-23-000006",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 133193000,
          "accn": "0000874716-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-16",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 117863000,
          "accn": "0000874716-21-000008",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-12",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 109182000,
          "accn": "0000874716-20-000006",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-14",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 101122000,
          "accn": "0000874716-19-000004",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-15",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 99681000,
          "accn": "0000874716-18-000005",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-16",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 98263000,
          "accn": "0000874716-17-000004",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-17",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 88003000,
          "accn": "0000874716-16-000020",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-17",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 82014000,
          "accn": "0000874716-15-000003",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-17",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 76042000,
          "accn": "0000874716-14-000004",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-18",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 68597000,
          "accn": "0000874716-13-000005",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-19",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 65124000,
          "accn": "0001144204-12-009868",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-17",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 70673000,
          "accn": "0001144204-11-010145",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-22",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/0e6062dd20371329a7570315c03bbe5ae0b5c7ae89af18e7309e1b26e3ab4260.json.gz"
}
