{
  "schema": "canli.company-reference.v1",
  "cik": "0000066570",
  "name": "MSA SAFETY INC",
  "selection_policy": "extended-v22",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000066570.json",
  "source_sha256": "80abda9cdcf40558e4471e4ae08b97cefb92246588667c7da76f3ec282ed3bcd",
  "fetched_at": "2026-09-19T14:49:44.380Z",
  "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": 2554374000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 2205784000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 2170150000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 2376976000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 2396396000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1919631000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1781796000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 1608012000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1684826000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1353920000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 1422863000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 1263412000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 1234270000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 1111746000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1115052000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 1197188000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 875228000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "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": 1187362000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1062465000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1203348000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1453235000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1562008000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1072437000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1007120000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 968493000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 1082248000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 792708000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 905735000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 726159000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 661923000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 641042000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 675641000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 741138000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 435828000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": "2021-12-31",
          "val": 834388000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 839201000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 725800000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 633882000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 597601000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 558165000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 516496000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 533809000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 566452000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 462955000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 433666000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 451368000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 436616000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 165067000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 164560000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 146442000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 162902000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 140895000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 160672000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 152195000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 140095000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 134244000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 113759000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 105925000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 105998000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 96265000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 82718000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 59938000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 59760000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-01-01",
          "val": 61983000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 61983000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-31",
          "val": 50894000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2008Q4I",
          "unit": "USD"
        },
        {
          "end": "2007-12-31",
          "val": 74981000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 278924000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 284967000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 58583000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 179630000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 21340000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 124077000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 137998000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 124150000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 26027000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 91936000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 70807000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 88506000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 88247000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 90637000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 69852000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-02",
          "end": "2010-12-31",
          "val": 38104000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 38104000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 43295000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 70422000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 363867000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 296428000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 92857000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 157455000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 199145000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 206555000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 164962000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 263887000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 230336000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 134894000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 55254000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 107031000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 110781000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 150476000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 85258000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-02",
          "end": "2010-12-31",
          "val": 31606000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 31606000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 120846000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 59785000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 68438000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 54223000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 42764000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 42553000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 43837000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 48905000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 36604000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 33960000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 23725000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 25523000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 36241000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 33583000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 36517000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 32209000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 30390000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-02",
          "end": "2010-12-31",
          "val": 25024000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 25024000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 25737000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 44450000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "Revenues",
      "taxonomy": "us-gaap",
      "label": "Revenue",
      "kind": "duration",
      "meaning": "Revenue under this specific accounting concept. A missing value is not zero; filers can use other revenue concepts.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 1874814000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1808140000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1787647000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1527953000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1400182000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1348223000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1401981000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 1358104000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 1196809000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 1149530000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1129922000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 1136650000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 1111883000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 1121319000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1118272000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-02",
          "end": "2010-12-31",
          "val": 982668000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 982668000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 915851000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 1139447000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 1874814000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 1808140000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1787647000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 1527953000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1400182000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 1348223000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 1401981000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "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": -105465000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -208689000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -52253000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -113350000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 203925000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -126529000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -84624000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -163269000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 25603000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -99346000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 164949000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -58118000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -58240000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -110521000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -71280000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-02",
          "end": "2010-12-31",
          "val": 246602000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 246602000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -91946000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -36628000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": -257634000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": -53755000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": -39953000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": -4484000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": -415473000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": -72769000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": -64157000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": -84395000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": -239201000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": -25465000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": -208490000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": -30698000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": -35157000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": -17285000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": -11703000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-02",
          "end": "2010-12-31",
          "val": -281575000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": -281575000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": -20776000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": -44373000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 1546230000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 1349650000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 1143442000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1158347000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 1050214000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 1103092000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 1012266000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 935577000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 868675000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 901415000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 858553000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 835126000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 792206000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 747953000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 708306000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 676195000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 674019000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 39216000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 39371000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 39307000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 39232000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 39173000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 38885000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 38653000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 38362000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 37997000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 37456000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 37293000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 37138000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 36868000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 36564000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 36221000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-02",
          "end": "2010-12-31",
          "val": 35880000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 35880000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 35668000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009",
          "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": 39346000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 39535000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 39473000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 39407000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 39449000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 39286000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 39189000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 38961000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 38697000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 37986000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 37710000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 37728000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 37450000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 37042000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 36831000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2010-01-02",
          "end": "2010-12-31",
          "val": 36422000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "unit": "shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 36422000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 35879000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009",
          "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": 7.11,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 7.24,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1.49,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 4.58,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 0.54,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 3.19,
          "accn": "0000066570-23-000008",
          "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": 3.56,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 3.23,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 0.68,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2.45,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1.89,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2.37,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 2.37,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 2.45,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1.91,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-02",
          "end": "2010-12-31",
          "val": 1.06,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1.06,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1.21,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 1.98,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 7.09,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 7.21,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 1.48,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 4.56,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 0.54,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 3.15,
          "accn": "0000066570-23-000008",
          "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": 3.52,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 3.18,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 0.67,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 2.42,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 1.87,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 2.33,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 2.34,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 2.42,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 1.87,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-02",
          "end": "2010-12-31",
          "val": 1.05,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "unit": "USD/shares"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 1.05,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 1.21,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 1.96,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 87474000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 90039000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 148105000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 58903000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 1816000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 43009000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 46545000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 37220000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 2819000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 57804000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 44407000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 41044000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 35145000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 41401000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 33807000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-02",
          "end": "2010-12-31",
          "val": 18290000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 18290000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 22003000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 42036000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 283063000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 211865000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 211877000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 207552000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 207793000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 189620000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 167038000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 157940000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 157014000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 148678000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 155839000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 151352000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 152755000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 147465000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 145763000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 156789000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 144575000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 15197000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 18185000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 30023000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 19650000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 18908000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 6920000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 13760000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 12239000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 11758000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 9211000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 7599000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 9053000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 10337000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 10010000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 7732000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-02",
          "end": "2010-12-31",
          "val": 7335000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 7335000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 5860000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 5456000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 371818000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 389177000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 231320000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 239137000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 22780000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 171895000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 188247000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 173479000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 39577000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 160702000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 122741000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 134281000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "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": 869292000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 803030000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 786270000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 880126000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 792804000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 801425000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 693363000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 656623000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 622297000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 472806000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 504612000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 474039000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 500966000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 463548000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 458849000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 477389000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 434025000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 46733000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 21660000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 10758000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 9432000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 13589000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 18881000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 15360000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 16411000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 10854000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 9851000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 10677000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 11344000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 14116000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-02",
          "end": "2010-12-31",
          "val": 8707000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 8707000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 7080000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 8923000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 289211000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 288093000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 332818000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 345865000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 330606000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 310545000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 277509000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 282060000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 289279000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 221410000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 251887000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 234050000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 191564000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 188800000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 171770000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 181741000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 168450000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 110775000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 108163000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 111872000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 112532000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 106780000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 86854000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 89120000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 78367000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 87061000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 62734000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 68206000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 70210000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 66902000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 59519000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 50208000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 58460000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 43487000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 731592000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 620895000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 627534000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 620622000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 636858000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 443272000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 436679000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 413640000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 422185000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 333276000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 340338000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 252520000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 260134000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 258400000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 259084000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 263089000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 84727000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009Q4I",
          "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": 239100000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 186400000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 206100000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 221900000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 247000000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 101100000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 111300000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 109500000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 123000000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 77015000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 90068000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 31323000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 35029000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 38648000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 47119000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 53880000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 13543000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009Q4I",
          "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": 306452000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 279213000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 294678000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 297028000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 254187000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 252283000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 255082000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 245032000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 244198000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 209514000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 232862000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 211440000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 200364000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 191289000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 192627000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 198551000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 173355000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009Q4I",
          "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": 343035000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "unit": "USD"
        },
        {
          "end": "2024-12-31",
          "val": 296796000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-31",
          "val": 292604000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 338316000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-31",
          "val": 280617000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-31",
          "val": 244966000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-31",
          "val": 185027000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-31",
          "val": 156602000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-31",
          "val": 153739000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 103066000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-31",
          "val": 125849000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-31",
          "val": 122954000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-31",
          "val": 136837000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-31",
          "val": 136300000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 141475000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-31",
          "val": 150581000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-31",
          "val": 123944000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 871113000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 860445000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 852138000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 673831000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 615348000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 595492000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 638629000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 611863000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 538891000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 522247000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 501103000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 515349000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 496845000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 489548000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 470236000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 370099000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010",
          "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": "2010-01-01",
          "end": "2010-12-31",
          "val": 606532000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 573266000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 701679000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "SellingGeneralAndAdministrativeExpense",
      "taxonomy": "us-gaap",
      "label": "Selling, general and administrative expense",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Selling and general administrative costs reported under this concept. It is an expense category, not a substitute for total operating expenses.",
      "observations": [
        {
          "start": "2025-01-01",
          "end": "2025-12-31",
          "val": 414254000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 394707000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 396645000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 338872000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 332862000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 290334000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 330502000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 324784000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 300062000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 308238000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 315270000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 322797000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 309206000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 312858000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 297779000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-02",
          "end": "2010-12-31",
          "val": 262940000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 262940000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 230894000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 270584000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "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": 65343000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2024-01-01",
          "end": "2024-12-31",
          "val": 66526000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-31",
          "val": 67988000,
          "accn": "0000066570-26-000005",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-12",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2022-01-01",
          "end": "2022-12-31",
          "val": 57012000,
          "accn": "0000066570-25-000007",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-14",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2021-01-01",
          "end": "2021-12-31",
          "val": 57793000,
          "accn": "0000066570-24-000008",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-16",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2020-01-01",
          "end": "2020-12-31",
          "val": 58268000,
          "accn": "0000066570-23-000008",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-16",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2019-01-01",
          "end": "2019-12-31",
          "val": 57848000,
          "accn": "0000066570-22-000007",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-18",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2018-01-01",
          "end": "2018-12-31",
          "val": 52696000,
          "accn": "0000066570-21-000016",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-19",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-31",
          "val": 50061000,
          "accn": "0000066570-20-000005",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-20",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2016-01-01",
          "end": "2016-12-31",
          "val": 46847000,
          "accn": "0000066570-19-000010",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-22",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2015-01-01",
          "end": "2015-12-31",
          "val": 48630000,
          "accn": "0000066570-18-000009",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-22",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2014-01-01",
          "end": "2014-12-31",
          "val": 48247000,
          "accn": "0000066570-17-000011",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-02-28",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2013-01-01",
          "end": "2013-12-31",
          "val": 45858000,
          "accn": "0000066570-16-000068",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-29",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-31",
          "val": 40900000,
          "accn": "0000066570-15-000011",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-25",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2011-01-01",
          "end": "2011-12-31",
          "val": 39245000,
          "accn": "0000066570-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-24",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2010-01-02",
          "end": "2010-12-31",
          "val": 32784000,
          "accn": "0001193125-13-067419",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-20",
          "unit": "USD"
        },
        {
          "start": "2010-01-01",
          "end": "2010-12-31",
          "val": 32784000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2009-01-01",
          "end": "2009-12-31",
          "val": 28781000,
          "accn": "0001193125-12-072913",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-22",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2008-01-01",
          "end": "2008-12-31",
          "val": 35020000,
          "accn": "0001193125-11-050159",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K",
          "filed": "2011-02-28",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/80abda9cdcf40558e4471e4ae08b97cefb92246588667c7da76f3ec282ed3bcd.json.gz"
}
