{
  "schema": "canli.company-reference.v1",
  "cik": "0000089439",
  "name": "MUELLER INDUSTRIES INC",
  "selection_policy": "extended-v22",
  "source_url": "https://data.sec.gov/api/xbrl/companyfacts/CIK0000089439.json",
  "source_sha256": "b12e7c10fd4ee276fb6efd94e168461db752ccb1ab99c4b74bbd9577a4bc01cf",
  "fetched_at": "2026-09-19T14:52:16.959Z",
  "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": "2025-12-27",
          "val": 3733029000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "unit": "USD"
        },
        {
          "end": "2024-12-28",
          "val": 3290906000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-30",
          "val": 2759301000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 2242399000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-25",
          "val": 1728936000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-26",
          "val": 1528568000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-28",
          "val": 1370940000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-29",
          "val": 1369549000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-30",
          "val": 1320173000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1447476000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-26",
          "val": 1338801000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-27",
          "val": 1328096000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-28",
          "val": 1247767000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-29",
          "val": 1104155000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1347604000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-25",
          "val": 1258996000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-26",
          "val": 1180141000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "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": "2025-12-27",
          "val": 497123000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "unit": "USD"
        },
        {
          "end": "2024-12-28",
          "val": 486498000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-30",
          "val": 400585000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 428435000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-25",
          "val": 471973000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-26",
          "val": 727508000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-28",
          "val": 708804000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-29",
          "val": 806289000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-30",
          "val": 784145000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 511039000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-26",
          "val": 479099000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-27",
          "val": 532662000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-28",
          "val": 511900000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-29",
          "val": 566189000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 462842000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-25",
          "val": 443099000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-26",
          "val": 441199000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "StockholdersEquity",
      "taxonomy": "us-gaap",
      "label": "Stockholders equity",
      "kind": "instant",
      "meaning": "The reported residual interest after liabilities. It is an accounting amount, not market capitalization.",
      "observations": [
        {
          "end": "2025-12-27",
          "val": 3209966000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "unit": "USD"
        },
        {
          "end": "2024-12-28",
          "val": 2773165000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-30",
          "val": 2337445000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1790914000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-25",
          "val": 1222118000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-26",
          "val": 776745000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-28",
          "val": 643468000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-29",
          "val": 548356000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-30",
          "val": 522111000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 898684000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-26",
          "val": 827285000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-27",
          "val": 762150000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-28",
          "val": 703405000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-29",
          "val": 506908000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 855688000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-25",
          "val": 788736000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-26",
          "val": 713167000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "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": "2025-12-27",
          "val": 1367003000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "unit": "USD"
        },
        {
          "end": "2024-12-28",
          "val": 1037229000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-30",
          "val": 1170893000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 461018000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-25",
          "val": 87924000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-26",
          "val": 119075000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-28",
          "val": 97944000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-29",
          "val": 72616000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-30",
          "val": 120269000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 351317000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-26",
          "val": 274844000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-27",
          "val": 352134000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-28",
          "val": 311800000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-29",
          "val": 198934000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 514162000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-25",
          "val": 394139000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "unit": "USD"
        },
        {
          "end": "2009-12-26",
          "val": 346001000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2009Q4I",
          "unit": "USD"
        },
        {
          "end": "2008-12-27",
          "val": 278860000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2008Q4I",
          "unit": "USD"
        },
        {
          "end": "2007-12-29",
          "val": 308618000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "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": "2024-12-29",
          "end": "2025-12-27",
          "val": 765191000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-12-31",
          "end": "2024-12-28",
          "val": 604879000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-30",
          "val": 602897000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-12-26",
          "end": "2022-12-31",
          "val": 658316000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-12-27",
          "end": "2021-12-25",
          "val": 468520000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-12-29",
          "end": "2020-12-26",
          "val": 139493000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-12-30",
          "end": "2019-12-28",
          "val": 100972000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-12-31",
          "end": "2018-12-29",
          "val": 104459000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-30",
          "val": 85598000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-12-27",
          "end": "2016-12-31",
          "val": 99727000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-12-28",
          "end": "2015-12-26",
          "val": 87864000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-12-29",
          "end": "2014-12-27",
          "val": 101560000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-12-30",
          "end": "2013-12-28",
          "val": 172600000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-29",
          "val": 82395000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-12-26",
          "end": "2011-12-31",
          "val": 86321000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-27",
          "end": "2010-12-25",
          "val": 86171000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2008-12-28",
          "end": "2009-12-26",
          "val": 4675000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2007-12-30",
          "end": "2008-12-27",
          "val": 80814000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "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": "2024-12-29",
          "end": "2025-12-27",
          "val": 755444000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-12-31",
          "end": "2024-12-28",
          "val": 645908000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-30",
          "val": 672766000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-12-26",
          "end": "2022-12-31",
          "val": 723943000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-12-27",
          "end": "2021-12-25",
          "val": 311701000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-12-29",
          "end": "2020-12-26",
          "val": 245073000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-12-30",
          "end": "2019-12-28",
          "val": 200544000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-12-31",
          "end": "2018-12-29",
          "val": 167892000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-30",
          "val": 43995000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-12-27",
          "end": "2016-12-31",
          "val": 157778000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-12-28",
          "end": "2015-12-26",
          "val": 159609000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2012-12-30",
          "end": "2013-12-28",
          "val": 128513000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-29",
          "val": 108297000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-12-26",
          "end": "2011-12-31",
          "val": 153749000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-27",
          "end": "2010-12-25",
          "val": 56357000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2008-12-28",
          "end": "2009-12-26",
          "val": 77388000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2007-12-30",
          "end": "2008-12-27",
          "val": 185760000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "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": "2024-12-29",
          "end": "2025-12-27",
          "val": 4178547000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-12-31",
          "end": "2024-12-28",
          "val": 3768766000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-30",
          "val": 3420345000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-12-26",
          "end": "2022-12-31",
          "val": 3982455000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-12-27",
          "end": "2021-12-25",
          "val": 3769345000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-12-29",
          "end": "2020-12-26",
          "val": 2398043000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-12-30",
          "end": "2019-12-28",
          "val": 2430616000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-12-31",
          "end": "2018-12-29",
          "val": 2507878000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-30",
          "val": 2266073000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-12-27",
          "end": "2016-12-31",
          "val": 2055622000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "NetCashProvidedByUsedInFinancingActivities",
      "taxonomy": "us-gaap",
      "label": "Financing cash flow",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.",
      "observations": [
        {
          "start": "2024-12-29",
          "end": "2025-12-27",
          "val": -394618000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-12-31",
          "end": "2024-12-28",
          "val": -160478000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-30",
          "val": -104509000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-12-26",
          "end": "2022-12-31",
          "val": -102655000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-12-27",
          "end": "2021-12-25",
          "val": -376722000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-12-29",
          "end": "2020-12-26",
          "val": -92264000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-12-30",
          "end": "2019-12-28",
          "val": -139694000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-12-31",
          "end": "2018-12-29",
          "val": -28269000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-30",
          "val": -244566000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-12-27",
          "end": "2016-12-31",
          "val": -22561000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-12-28",
          "end": "2015-12-26",
          "val": -41258000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2012-12-30",
          "end": "2013-12-28",
          "val": -13643000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-29",
          "val": -408648000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-12-26",
          "end": "2011-12-31",
          "val": -6944000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-27",
          "end": "2010-12-25",
          "val": -6394000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2008-12-28",
          "end": "2009-12-26",
          "val": -8154000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2007-12-30",
          "end": "2008-12-27",
          "val": -166061000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "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": "2024-12-29",
          "end": "2025-12-27",
          "val": -24911000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-12-31",
          "end": "2024-12-28",
          "val": -606935000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-30",
          "val": 135080000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-12-26",
          "end": "2022-12-31",
          "val": -242003000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-12-27",
          "end": "2021-12-25",
          "val": 29073000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-12-29",
          "end": "2020-12-26",
          "val": -125622000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-12-30",
          "end": "2019-12-28",
          "val": -40457000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-12-31",
          "end": "2018-12-29",
          "val": -187096000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-30",
          "val": -36280000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-12-27",
          "end": "2016-12-31",
          "val": -47726000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-12-28",
          "end": "2015-12-26",
          "val": -190807000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2012-12-30",
          "end": "2013-12-28",
          "val": -2985000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-29",
          "val": -16376000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-12-26",
          "end": "2011-12-31",
          "val": -26704000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-27",
          "end": "2010-12-25",
          "val": -1986000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2008-12-28",
          "end": "2009-12-26",
          "val": -6318000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2007-12-30",
          "end": "2008-12-27",
          "val": -33125000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "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": "2025-12-27",
          "val": 3761575000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "unit": "USD"
        },
        {
          "end": "2024-12-28",
          "val": 3107838000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-30",
          "val": 2594300000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 2059796000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-25",
          "val": 1458489000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-26",
          "val": 1019694000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-28",
          "val": 903070000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-29",
          "val": 824737000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-30",
          "val": 743503000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 1141831000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-26",
          "val": 1063543000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-27",
          "val": 992798000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-28",
          "val": 908274000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-29",
          "val": 749777000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 682380000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-25",
          "val": 611279000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-26",
          "val": 540218000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "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": "2024-12-29",
          "end": "2025-12-27",
          "val": 109475000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2023-12-31",
          "end": "2024-12-28",
          "val": 111385000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-30",
          "val": 111420000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2021-12-26",
          "end": "2022-12-31",
          "val": 111558000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2020-12-27",
          "end": "2021-12-25",
          "val": 112022000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2019-12-29",
          "end": "2020-12-26",
          "val": 55821000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2018-12-30",
          "end": "2019-12-28",
          "val": 55798000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2017-12-31",
          "end": "2018-12-29",
          "val": 56782000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-30",
          "val": 56925000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2015-12-27",
          "end": "2016-12-31",
          "val": 56572000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2014-12-28",
          "end": "2015-12-26",
          "val": 56316000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2013-12-29",
          "end": "2014-12-27",
          "val": 56042000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2012-12-30",
          "end": "2013-12-28",
          "val": 55742000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-29",
          "val": 70664000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2010-12-26",
          "end": "2011-12-31",
          "val": 37835000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2009-12-27",
          "end": "2010-12-25",
          "val": 37672000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2008-12-28",
          "end": "2009-12-26",
          "val": 37336000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "shares"
        },
        {
          "start": "2007-12-30",
          "end": "2008-12-27",
          "val": 37123000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "WeightedAverageNumberOfDilutedSharesOutstanding",
      "taxonomy": "us-gaap",
      "label": "Diluted weighted-average shares",
      "kind": "duration",
      "unitKind": "shares",
      "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.",
      "observations": [
        {
          "start": "2024-12-29",
          "end": "2025-12-27",
          "val": 111492000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2025",
          "unit": "shares"
        },
        {
          "start": "2023-12-31",
          "end": "2024-12-28",
          "val": 113965000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024",
          "unit": "shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-30",
          "val": 113662000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2023",
          "unit": "shares"
        },
        {
          "start": "2021-12-26",
          "end": "2022-12-31",
          "val": 113110000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "shares"
        },
        {
          "start": "2020-12-27",
          "end": "2021-12-25",
          "val": 113596000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2021",
          "unit": "shares"
        },
        {
          "start": "2019-12-29",
          "end": "2020-12-26",
          "val": 56390000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "shares"
        },
        {
          "start": "2018-12-30",
          "end": "2019-12-28",
          "val": 56343000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2019",
          "unit": "shares"
        },
        {
          "start": "2017-12-31",
          "end": "2018-12-29",
          "val": 57269000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2018",
          "unit": "shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-30",
          "val": 57484000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2017",
          "unit": "shares"
        },
        {
          "start": "2015-12-27",
          "end": "2016-12-31",
          "val": 57169000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "shares"
        },
        {
          "start": "2014-12-28",
          "end": "2015-12-26",
          "val": 56968000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "shares"
        },
        {
          "start": "2013-12-29",
          "end": "2014-12-27",
          "val": 56768000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2014",
          "unit": "shares"
        },
        {
          "start": "2012-12-30",
          "end": "2013-12-28",
          "val": 56484000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2013",
          "unit": "shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-29",
          "val": 71492000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2012",
          "unit": "shares"
        },
        {
          "start": "2010-12-26",
          "end": "2011-12-31",
          "val": 38196000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2011",
          "unit": "shares"
        },
        {
          "start": "2009-12-27",
          "end": "2010-12-25",
          "val": 37769000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "shares"
        },
        {
          "start": "2008-12-28",
          "end": "2009-12-26",
          "val": 37424000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "shares"
        },
        {
          "start": "2007-12-30",
          "end": "2008-12-27",
          "val": 37309000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "shares"
        }
      ]
    },
    {
      "tag": "EarningsPerShareBasic",
      "taxonomy": "us-gaap",
      "label": "Basic earnings per share",
      "kind": "duration",
      "unitKind": "per-share",
      "meaning": "Reported earnings or loss per basic common share or unit. Inspect attribution, share classes and restatements before comparing periods. This is not a market return.",
      "observations": [
        {
          "start": "2024-12-29",
          "end": "2025-12-27",
          "val": 6.99,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2023-12-31",
          "end": "2024-12-28",
          "val": 5.43,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-30",
          "val": 5.41,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2021-12-26",
          "end": "2022-12-31",
          "val": 5.9,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2020-12-27",
          "end": "2021-12-25",
          "val": 4.18,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2019-12-29",
          "end": "2020-12-26",
          "val": 2.5,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2018-12-30",
          "end": "2019-12-28",
          "val": 1.81,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2017-12-31",
          "end": "2018-12-29",
          "val": 1.84,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-30",
          "val": 1.5,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2015-12-27",
          "end": "2016-12-31",
          "val": 1.76,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2014-12-28",
          "end": "2015-12-26",
          "val": 1.56,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2013-12-29",
          "end": "2014-12-27",
          "val": 1.81,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2012-12-30",
          "end": "2013-12-28",
          "val": 3.1,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-29",
          "val": 1.17,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2010-12-26",
          "end": "2011-12-31",
          "val": 2.28,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2009-12-27",
          "end": "2010-12-25",
          "val": 2.29,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2008-12-28",
          "end": "2009-12-26",
          "val": 0.13,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2007-12-30",
          "end": "2008-12-27",
          "val": 2.18,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "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": "2024-12-29",
          "end": "2025-12-27",
          "val": 6.86,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2025",
          "unit": "USD/shares"
        },
        {
          "start": "2023-12-31",
          "end": "2024-12-28",
          "val": 5.31,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024",
          "unit": "USD/shares"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-30",
          "val": 5.3,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2023",
          "unit": "USD/shares"
        },
        {
          "start": "2021-12-26",
          "end": "2022-12-31",
          "val": 5.82,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD/shares"
        },
        {
          "start": "2020-12-27",
          "end": "2021-12-25",
          "val": 4.12,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2021",
          "unit": "USD/shares"
        },
        {
          "start": "2019-12-29",
          "end": "2020-12-26",
          "val": 2.47,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD/shares"
        },
        {
          "start": "2018-12-30",
          "end": "2019-12-28",
          "val": 1.79,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2019",
          "unit": "USD/shares"
        },
        {
          "start": "2017-12-31",
          "end": "2018-12-29",
          "val": 1.82,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2018",
          "unit": "USD/shares"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-30",
          "val": 1.49,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2017",
          "unit": "USD/shares"
        },
        {
          "start": "2015-12-27",
          "end": "2016-12-31",
          "val": 1.74,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD/shares"
        },
        {
          "start": "2014-12-28",
          "end": "2015-12-26",
          "val": 1.54,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD/shares"
        },
        {
          "start": "2013-12-29",
          "end": "2014-12-27",
          "val": 1.79,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2014",
          "unit": "USD/shares"
        },
        {
          "start": "2012-12-30",
          "end": "2013-12-28",
          "val": 3.06,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2013",
          "unit": "USD/shares"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-29",
          "val": 1.15,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2012",
          "unit": "USD/shares"
        },
        {
          "start": "2010-12-26",
          "end": "2011-12-31",
          "val": 2.26,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2011",
          "unit": "USD/shares"
        },
        {
          "start": "2009-12-27",
          "end": "2010-12-25",
          "val": 2.28,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD/shares"
        },
        {
          "start": "2008-12-28",
          "end": "2009-12-26",
          "val": 0.12,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD/shares"
        },
        {
          "start": "2007-12-30",
          "end": "2008-12-27",
          "val": 2.17,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "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": "2024-12-29",
          "end": "2025-12-27",
          "val": 247351000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-12-31",
          "end": "2024-12-28",
          "val": 205076000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-30",
          "val": 220762000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-12-26",
          "end": "2022-12-31",
          "val": 223322000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-12-27",
          "end": "2021-12-25",
          "val": 165858000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-12-29",
          "end": "2020-12-26",
          "val": 55321000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-12-30",
          "end": "2019-12-28",
          "val": 35257000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-12-31",
          "end": "2018-12-29",
          "val": 30952000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-30",
          "val": 37884000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-12-27",
          "end": "2016-12-31",
          "val": 48137000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-12-28",
          "end": "2015-12-26",
          "val": 43382000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-12-29",
          "end": "2014-12-27",
          "val": 45479000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-12-30",
          "end": "2013-12-28",
          "val": 98109000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-29",
          "val": 36681000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-12-26",
          "end": "2011-12-31",
          "val": 43075000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-27",
          "end": "2010-12-25",
          "val": 34315000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2008-12-28",
          "end": "2009-12-26",
          "val": 17792000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2007-12-30",
          "end": "2008-12-27",
          "val": 38332000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "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": "2025-12-27",
          "val": 536466000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "unit": "USD"
        },
        {
          "end": "2024-12-28",
          "val": 515131000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-30",
          "val": 385165000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 379950000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-25",
          "val": 385562000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-26",
          "val": 376572000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-28",
          "val": 363128000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-29",
          "val": 370633000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-30",
          "val": 304321000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 295231000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-26",
          "val": 280224000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-27",
          "val": 245910000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-28",
          "val": 244457000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-29",
          "val": 233263000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 203744000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-25",
          "val": 229498000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-26",
          "val": 250395000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "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": "2024-12-29",
          "end": "2025-12-27",
          "val": 26764000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-12-31",
          "end": "2024-12-28",
          "val": 26787000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-30",
          "val": 23131000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-12-26",
          "end": "2022-12-31",
          "val": 17801000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-12-27",
          "end": "2021-12-25",
          "val": 9822000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-12-29",
          "end": "2020-12-26",
          "val": 8570000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-12-30",
          "end": "2019-12-28",
          "val": 8744000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-12-31",
          "end": "2018-12-29",
          "val": 8035000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-30",
          "val": 7450000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-12-27",
          "end": "2016-12-31",
          "val": 6387000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-12-28",
          "end": "2015-12-26",
          "val": 6244000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-12-29",
          "end": "2014-12-27",
          "val": 6265000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-12-30",
          "end": "2013-12-28",
          "val": 5704000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-29",
          "val": 6136000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-12-26",
          "end": "2011-12-31",
          "val": 3482000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-27",
          "end": "2010-12-25",
          "val": 2877000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2008-12-28",
          "end": "2009-12-26",
          "val": 2633000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2007-12-30",
          "end": "2008-12-27",
          "val": 2915000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "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": "2024-12-29",
          "end": "2025-12-27",
          "val": 958542000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-12-31",
          "end": "2024-12-28",
          "val": 770389000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-30",
          "val": 756053000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-12-26",
          "end": "2022-12-31",
          "val": 877149000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-12-27",
          "end": "2021-12-25",
          "val": 655845000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-12-29",
          "end": "2020-12-26",
          "val": 245838000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-12-30",
          "end": "2019-12-28",
          "val": 191403000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-12-31",
          "end": "2018-12-29",
          "val": 172969000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-30",
          "val": 150807000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-12-27",
          "end": "2016-12-31",
          "val": 154401000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-12-28",
          "end": "2015-12-26",
          "val": 137268000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-12-29",
          "end": "2014-12-27",
          "val": 153996000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-12-30",
          "end": "2013-12-28",
          "val": 270937000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-29",
          "val": 126705000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-12-26",
          "end": "2011-12-31",
          "val": 139802000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-27",
          "end": "2010-12-25",
          "val": 136147000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2008-12-28",
          "end": "2009-12-26",
          "val": 32220000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2007-12-30",
          "end": "2008-12-27",
          "val": 126096000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "AssetsCurrent",
      "taxonomy": "us-gaap",
      "label": "Current assets",
      "kind": "instant",
      "unitKind": "money",
      "meaning": "Assets classified as current under the normal operating cycle or one-year boundary. Not all current assets can be converted immediately into cash.",
      "observations": [
        {
          "end": "2025-12-27",
          "val": 2445745000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "unit": "USD"
        },
        {
          "end": "2024-12-28",
          "val": 2012229000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-30",
          "val": 2040021000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 1534653000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-25",
          "val": 1019003000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-26",
          "val": 825361000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-28",
          "val": 693772000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-29",
          "val": 702618000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-30",
          "val": 739115000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 894323000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-26",
          "val": 800401000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-27",
          "val": 941213000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-28",
          "val": 874717000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-29",
          "val": 747194000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 1026699000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-25",
          "val": 912314000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-26",
          "val": 808843000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "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": "2023-12-30",
          "val": 1221000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-12-26",
          "end": "2022-12-31",
          "val": 810000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-12-27",
          "end": "2021-12-25",
          "val": 7709000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-12-29",
          "end": "2020-12-26",
          "val": 19247000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-12-30",
          "end": "2019-12-28",
          "val": 25683000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-12-31",
          "end": "2018-12-29",
          "val": 25199000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-30",
          "val": 19502000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-12-27",
          "end": "2016-12-31",
          "val": 7387000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-12-28",
          "end": "2015-12-26",
          "val": 7667000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-12-29",
          "end": "2014-12-27",
          "val": 5740000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-12-30",
          "end": "2013-12-28",
          "val": 3990000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-29",
          "val": 6890000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-12-26",
          "end": "2011-12-31",
          "val": 11553000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-27",
          "end": "2010-12-25",
          "val": 11647000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2008-12-28",
          "end": "2009-12-26",
          "val": 9963000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2007-12-30",
          "end": "2008-12-27",
          "val": 19050000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "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": "2025-12-27",
          "val": 413134000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "unit": "USD"
        },
        {
          "end": "2024-12-28",
          "val": 397987000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-30",
          "val": 317138000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 348295000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-25",
          "val": 382439000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-26",
          "val": 339643000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-28",
          "val": 234287000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-29",
          "val": 232801000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-30",
          "val": 242252000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 218992000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-26",
          "val": 209429000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-27",
          "val": 238069000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-28",
          "val": 219256000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-29",
          "val": 258696000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 213244000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-25",
          "val": 195127000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-26",
          "val": 183370000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "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": "2025-12-27",
          "val": 180577000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "unit": "USD"
        },
        {
          "end": "2024-12-28",
          "val": 173743000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-30",
          "val": 120485000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 128000000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-25",
          "val": 180793000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-26",
          "val": 147741000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-28",
          "val": 85644000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-29",
          "val": 103754000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-30",
          "val": 102503000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 103175000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-26",
          "val": 88051000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-27",
          "val": 100735000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-28",
          "val": 80897000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-29",
          "val": 87574000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 65545000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-25",
          "val": 67849000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-26",
          "val": 73837000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "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": "2025-12-27",
          "val": 298188000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "unit": "USD"
        },
        {
          "end": "2024-12-28",
          "val": 311165000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-30",
          "val": 151820000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 157588000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-25",
          "val": 171330000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-26",
          "val": 167764000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-28",
          "val": 153276000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-29",
          "val": 150335000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-30",
          "val": 130293000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 123993000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-26",
          "val": 120252000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-27",
          "val": 102909000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-28",
          "val": 94357000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-29",
          "val": 104579000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 102250000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-25",
          "val": 102250000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-26",
          "val": 102250000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "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": "2025-12-27",
          "val": 287080000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2025Q4I",
          "unit": "USD"
        },
        {
          "end": "2024-12-28",
          "val": 306357000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-30",
          "val": 46208000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 54785000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-25",
          "val": 61714000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-26",
          "val": 77207000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-28",
          "val": 60082000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-29",
          "val": 61971000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-30",
          "val": 42008000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 36168000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-26",
          "val": 40636000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-27",
          "val": 18464000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-28",
          "val": 5500000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2013Q4I",
          "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": "2025-12-27",
          "val": 475566000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "unit": "USD"
        },
        {
          "end": "2024-12-28",
          "val": 450113000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-30",
          "val": 351561000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 380352000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-25",
          "val": 471859000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-26",
          "val": 357532000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-28",
          "val": 269943000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-29",
          "val": 273417000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-30",
          "val": 244795000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 256291000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-26",
          "val": 251571000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-27",
          "val": 275065000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-28",
          "val": 271847000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-29",
          "val": 271093000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 250027000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-25",
          "val": 269258000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-26",
          "val": 228739000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "frame": "CY2009Q4I",
          "unit": "USD"
        }
      ]
    },
    {
      "tag": "PaymentsForRepurchaseOfCommonStock",
      "taxonomy": "us-gaap",
      "label": "Common-stock repurchase payments",
      "kind": "duration",
      "unitKind": "money",
      "meaning": "Cash paid to reacquire common stock during the period. This is not an authorization limit or a direct measure of the net change in share count.",
      "observations": [
        {
          "start": "2024-12-29",
          "end": "2025-12-27",
          "val": 243615000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-12-31",
          "end": "2024-12-28",
          "val": 48681000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-30",
          "val": 19303000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-12-26",
          "end": "2022-12-31",
          "val": 38054000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-12-27",
          "end": "2021-12-25",
          "val": 4864000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-12-29",
          "end": "2020-12-26",
          "val": 5574000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-12-30",
          "end": "2019-12-28",
          "val": 1763000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-12-31",
          "end": "2018-12-29",
          "val": 33562000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-30",
          "val": 0,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-12-27",
          "end": "2016-12-31",
          "val": 0,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2013-12-29",
          "end": "2014-12-27",
          "val": 0,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-12-30",
          "end": "2013-12-28",
          "val": 0,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-29",
          "val": 427446000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-12-26",
          "end": "2011-12-31",
          "val": 0,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-27",
          "end": "2010-12-25",
          "val": 0,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2008-12-28",
          "end": "2009-12-26",
          "val": 870000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2007-12-30",
          "end": "2008-12-27",
          "val": 32000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "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": "2025-12-27",
          "val": 510463000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "unit": "USD"
        },
        {
          "end": "2024-12-28",
          "val": 462279000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024Q4I",
          "unit": "USD"
        },
        {
          "end": "2023-12-30",
          "val": 380248000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2023Q4I",
          "unit": "USD"
        },
        {
          "end": "2022-12-31",
          "val": 448919000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2022Q4I",
          "unit": "USD"
        },
        {
          "end": "2021-12-25",
          "val": 430244000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2021Q4I",
          "unit": "USD"
        },
        {
          "end": "2020-12-26",
          "val": 315002000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2020Q4I",
          "unit": "USD"
        },
        {
          "end": "2019-12-28",
          "val": 292107000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2019Q4I",
          "unit": "USD"
        },
        {
          "end": "2018-12-29",
          "val": 329795000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2018Q4I",
          "unit": "USD"
        },
        {
          "end": "2017-12-30",
          "val": 327901000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2017Q4I",
          "unit": "USD"
        },
        {
          "end": "2016-12-31",
          "val": 242013000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2016Q4I",
          "unit": "USD"
        },
        {
          "end": "2015-12-26",
          "val": 239378000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2015Q4I",
          "unit": "USD"
        },
        {
          "end": "2014-12-27",
          "val": 256585000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2014Q4I",
          "unit": "USD"
        },
        {
          "end": "2013-12-28",
          "val": 251716000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2013Q4I",
          "unit": "USD"
        },
        {
          "end": "2012-12-29",
          "val": 229434000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2012Q4I",
          "unit": "USD"
        },
        {
          "end": "2011-12-31",
          "val": 219193000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2011Q4I",
          "unit": "USD"
        },
        {
          "end": "2010-12-25",
          "val": 209892000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2010Q4I",
          "unit": "USD"
        },
        {
          "end": "2009-12-26",
          "val": 191262000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "frame": "CY2009Q4I",
          "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": "2024-12-29",
          "end": "2025-12-27",
          "val": 248651000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2025",
          "unit": "USD"
        },
        {
          "start": "2023-12-31",
          "end": "2024-12-28",
          "val": 226696000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2024",
          "unit": "USD"
        },
        {
          "start": "2023-01-01",
          "end": "2023-12-30",
          "val": 208172000,
          "accn": "0000089439-26-000008",
          "fy": 2025,
          "fp": "FY",
          "form": "10-K",
          "filed": "2026-02-25",
          "frame": "CY2023",
          "unit": "USD"
        },
        {
          "start": "2021-12-26",
          "end": "2022-12-31",
          "val": 203086000,
          "accn": "0000089439-25-000010",
          "fy": 2024,
          "fp": "FY",
          "form": "10-K",
          "filed": "2025-02-26",
          "frame": "CY2022",
          "unit": "USD"
        },
        {
          "start": "2020-12-27",
          "end": "2021-12-25",
          "val": 184052000,
          "accn": "0000089439-24-000015",
          "fy": 2023,
          "fp": "FY",
          "form": "10-K",
          "filed": "2024-02-28",
          "frame": "CY2021",
          "unit": "USD"
        },
        {
          "start": "2019-12-29",
          "end": "2020-12-26",
          "val": 159483000,
          "accn": "0000089439-23-000016",
          "fy": 2022,
          "fp": "FY",
          "form": "10-K",
          "filed": "2023-02-28",
          "frame": "CY2020",
          "unit": "USD"
        },
        {
          "start": "2018-12-30",
          "end": "2019-12-28",
          "val": 162358000,
          "accn": "0000089439-22-000013",
          "fy": 2021,
          "fp": "FY",
          "form": "10-K",
          "filed": "2022-02-23",
          "frame": "CY2019",
          "unit": "USD"
        },
        {
          "start": "2017-12-31",
          "end": "2018-12-29",
          "val": 148888000,
          "accn": "0000089439-21-000015",
          "fy": 2020,
          "fp": "FY",
          "form": "10-K",
          "filed": "2021-02-24",
          "frame": "CY2018",
          "unit": "USD"
        },
        {
          "start": "2017-01-01",
          "end": "2017-12-30",
          "val": 140730000,
          "accn": "0000089439-20-000016",
          "fy": 2019,
          "fp": "FY",
          "form": "10-K",
          "filed": "2020-02-26",
          "frame": "CY2017",
          "unit": "USD"
        },
        {
          "start": "2015-12-27",
          "end": "2016-12-31",
          "val": 135811000,
          "accn": "0000089439-19-000021",
          "fy": 2018,
          "fp": "FY",
          "form": "10-K",
          "filed": "2019-02-27",
          "frame": "CY2016",
          "unit": "USD"
        },
        {
          "start": "2014-12-28",
          "end": "2015-12-26",
          "val": 130358000,
          "accn": "0000089439-18-000010",
          "fy": 2017,
          "fp": "FY",
          "form": "10-K",
          "filed": "2018-02-28",
          "frame": "CY2015",
          "unit": "USD"
        },
        {
          "start": "2013-12-29",
          "end": "2014-12-27",
          "val": 131740000,
          "accn": "0000089439-17-000009",
          "fy": 2016,
          "fp": "FY",
          "form": "10-K",
          "filed": "2017-03-01",
          "frame": "CY2014",
          "unit": "USD"
        },
        {
          "start": "2012-12-30",
          "end": "2013-12-28",
          "val": 134914000,
          "accn": "0000089439-16-000038",
          "fy": 2015,
          "fp": "FY",
          "form": "10-K",
          "filed": "2016-02-24",
          "frame": "CY2013",
          "unit": "USD"
        },
        {
          "start": "2012-01-01",
          "end": "2012-12-29",
          "val": 129456000,
          "accn": "0000089439-15-000006",
          "fy": 2014,
          "fp": "FY",
          "form": "10-K",
          "filed": "2015-02-24",
          "frame": "CY2012",
          "unit": "USD"
        },
        {
          "start": "2010-12-26",
          "end": "2011-12-31",
          "val": 135953000,
          "accn": "0000089439-14-000010",
          "fy": 2013,
          "fp": "FY",
          "form": "10-K",
          "filed": "2014-02-26",
          "frame": "CY2011",
          "unit": "USD"
        },
        {
          "start": "2009-12-27",
          "end": "2010-12-25",
          "val": 131211000,
          "accn": "0000089439-13-000008",
          "fy": 2012,
          "fp": "FY",
          "form": "10-K",
          "filed": "2013-02-27",
          "frame": "CY2010",
          "unit": "USD"
        },
        {
          "start": "2008-12-28",
          "end": "2009-12-26",
          "val": 116660000,
          "accn": "0000089439-12-000007",
          "fy": 2011,
          "fp": "FY",
          "form": "10-K",
          "filed": "2012-02-28",
          "frame": "CY2009",
          "unit": "USD"
        },
        {
          "start": "2007-12-30",
          "end": "2008-12-27",
          "val": 136884000,
          "accn": "0000089439-11-000005",
          "fy": 2010,
          "fp": "FY",
          "form": "10-K/A",
          "filed": "2011-02-23",
          "frame": "CY2008",
          "unit": "USD"
        }
      ]
    }
  ],
  "source_snapshot": "/company-data/sources/b12e7c10fd4ee276fb6efd94e168461db752ccb1ab99c4b74bbd9577a4bc01cf.json.gz"
}
