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Restricted cash and longer-term investments may be reported separately.", "observations": [ { "end": "2025-12-31", "val": 5666000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "unit": "USD" }, { "end": "2024-12-31", "val": 21302000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2023-12-31", "val": 11140000, "accn": "0000950170-25-026262", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-25", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2022-12-31", "val": 11604000, "accn": "0000950170-24-017706", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-21", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2021-12-31", "val": 17438000, "accn": "0000950170-23-003632", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-22", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2020-12-31", "val": 44738000, "accn": "0000950170-22-001709", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-23", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2019-12-31", "val": 23481000, "accn": "0001161728-21-000013", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-24", "frame": "CY2019Q4I", "unit": "USD" }, { "end": "2018-12-31", "val": 83102000, "accn": "0001161728-20-000016", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-27", "frame": "CY2018Q4I", "unit": "USD" }, { "end": "2017-12-31", "val": 107952000, "accn": "0001161728-19-000005", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-02-22", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2016-12-31", "val": 95959000, "accn": "0001161728-18-000003", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-23", "frame": "CY2016Q4I", "unit": "USD" }, { "end": "2015-12-31", "val": 81384000, "accn": "0001161728-18-000003", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-23", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2014-12-31", "val": 65755000, "accn": "0001161728-18-000003", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-23", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2013-12-31", "val": 68813000, "accn": "0001161728-17-000004", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-24", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2012-12-31", "val": 46357000, "accn": "0001161728-16-000028", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-25", "frame": "CY2012Q4I", "unit": "USD" }, { "end": "2011-12-31", "val": 41169000, "accn": "0001161728-15-000003", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-02-26", "frame": "CY2011Q4I", "unit": "USD" }, { "end": "2010-12-31", "val": 7110000, "accn": "0001161728-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-02-27", "frame": "CY2010Q4I", "unit": "USD" }, { "end": "2009-12-31", "val": 4704000, "accn": "0001161728-13-000001", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-02-26", "frame": "CY2009Q4I", "unit": "USD" }, { "end": "2008-12-31", "val": 4106000, "accn": "0001161728-12-000004", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-24", "frame": "CY2008Q4I", "unit": "USD" }, { "end": "2007-12-31", "val": 3789000, "accn": "0001161728-11-000005", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-24", "frame": "CY2007Q4I", "unit": "USD" } ] }, { "tag": "NetIncomeLoss", "taxonomy": "us-gaap", "label": "Net income or loss", "kind": "duration", "meaning": "Reported profit or loss for the period. 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Working-capital timing can make this differ substantially from reported income.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 263234000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 277784000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 237561000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 153735000, "accn": "0000950170-25-026262", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-25", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 137527000, "accn": "0000950170-24-017706", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-21", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 172443000, "accn": "0000950170-23-003632", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-22", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 130475000, "accn": "0000950170-22-001709", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-23", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 153040000, "accn": "0001161728-21-000013", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 131373000, "accn": "0001161728-20-000016", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-27", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 147864000, "accn": "0001161728-19-000005", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-02-22", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 141185000, "accn": "0001161728-18-000003", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-23", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 128762000, "accn": "0001161728-16-000028", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-25", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 140267000, "accn": "0001161728-16-000028", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-25", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 146004000, "accn": "0001161728-15-000003", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-02-26", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 130772000, "accn": "0001161728-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-02-27", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 124033000, "accn": "0001161728-13-000001", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-02-26", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 117909000, "accn": "0001161728-12-000004", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-24", "frame": "CY2009", "unit": "USD" }, { "start": "2008-01-01", "end": "2008-12-31", "val": 74712000, "accn": "0001161728-11-000005", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-24", "frame": "CY2008", "unit": "USD" } ] }, { "tag": "PaymentsToAcquirePropertyPlantAndEquipment", "taxonomy": "us-gaap", "label": "Capital expenditure payments", "kind": "duration", "meaning": "Cash payments to acquire property, plant and equipment. This taxonomy concept does not capture every form of investment or acquisition.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 343220000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 236925000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 222071000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 175030000, "accn": "0000950170-25-026262", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-25", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 153169000, "accn": "0000950170-24-017706", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-21", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 203139000, "accn": "0000950170-23-003632", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-22", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 164036000, "accn": "0000950170-22-001709", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-23", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 212197000, "accn": "0001161728-21-000013", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": 108131000, "accn": "0001161728-20-000016", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-27", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": 83659000, "accn": "0001161728-19-000005", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-02-22", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": 72030000, "accn": "0001161728-18-000003", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-23", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": 92676000, "accn": "0001161728-17-000004", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-24", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 119047000, "accn": "0001161728-16-000028", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-25", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 98435000, "accn": "0001161728-15-000003", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-02-26", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 65176000, "accn": "0001161728-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-02-27", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 60082000, "accn": "0001161728-13-000001", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-02-26", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 77929000, "accn": "0001161728-12-000004", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-24", "frame": "CY2009", "unit": "USD" }, { "start": "2008-01-01", "end": "2008-12-31", "val": 105777000, "accn": "0001161728-11-000005", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-24", "frame": "CY2008", "unit": "USD" } ] }, { "tag": "NetCashProvidedByUsedInFinancingActivities", "taxonomy": "us-gaap", "label": "Financing cash flow", "kind": "duration", "unitKind": "money", "meaning": "Net cash from financing activities, including borrowing, repayments and transactions with owners. A positive amount does not establish operating profitability.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 71567000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": -26827000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": -10483000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 25543000, "accn": "0000950170-25-026262", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-25", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": -8756000, "accn": "0000950170-24-017706", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-21", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 59194000, "accn": "0000950170-23-003632", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-22", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": -17233000, "accn": "0000950170-22-001709", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-23", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": 38123000, "accn": "0001161728-21-000013", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": -4637000, "accn": "0001161728-20-000016", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-27", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": -46112000, "accn": "0001161728-19-000005", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-02-22", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": -52243000, "accn": "0001161728-18-000003", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-23", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": -35662000, "accn": "0001161728-16-000028", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-25", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": 4111000, "accn": "0001161728-16-000028", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-25", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": -39463000, "accn": "0001161728-15-000003", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-02-26", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": -30362000, "accn": "0001161728-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-02-27", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": -64242000, "accn": "0001161728-13-000001", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-02-26", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": -37336000, "accn": "0001161728-12-000004", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-24", "frame": "CY2009", "unit": "USD" }, { "start": "2008-01-01", "end": "2008-12-31", "val": 29887000, "accn": "0001161728-11-000005", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-24", "frame": "CY2008", "unit": "USD" } ] }, { "tag": "NetCashProvidedByUsedInInvestingActivities", "taxonomy": "us-gaap", "label": "Investing cash flow", "kind": "duration", "unitKind": "money", "meaning": "Net cash from investing activities, including asset purchases, disposals and investment transactions. This differs from capital expenditure payments alone.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": -350561000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2025", "unit": "USD" }, { "start": "2024-01-01", "end": "2024-12-31", "val": -241487000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2024", "unit": "USD" }, { "start": "2023-01-01", "end": "2023-12-31", "val": -230020000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2023", "unit": "USD" }, { "start": "2022-01-01", "end": "2022-12-31", "val": -180145000, "accn": "0000950170-25-026262", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-25", "frame": "CY2022", "unit": "USD" }, { "start": "2021-01-01", "end": "2021-12-31", "val": -156975000, "accn": "0000950170-24-017706", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-21", "frame": "CY2021", "unit": "USD" }, { "start": "2020-01-01", "end": "2020-12-31", "val": -210412000, "accn": "0000950170-23-003632", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-22", "frame": "CY2020", "unit": "USD" }, { "start": "2019-01-01", "end": "2019-12-31", "val": -172357000, "accn": "0000950170-22-001709", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-23", "frame": "CY2019", "unit": "USD" }, { "start": "2018-01-01", "end": "2018-12-31", "val": -218328000, "accn": "0001161728-21-000013", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-24", "frame": "CY2018", "unit": "USD" }, { "start": "2017-01-01", "end": "2017-12-31", "val": -116275000, "accn": "0001161728-20-000016", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-27", "frame": "CY2017", "unit": "USD" }, { "start": "2016-01-01", "end": "2016-12-31", "val": -86813000, "accn": "0001161728-19-000005", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-02-22", "frame": "CY2016", "unit": "USD" }, { "start": "2015-01-01", "end": "2015-12-31", "val": -73313000, "accn": "0001161728-18-000003", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-23", "frame": "CY2015", "unit": "USD" }, { "start": "2014-01-01", "end": "2014-12-31", "val": -96158000, "accn": "0001161728-16-000028", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-25", "frame": "CY2014", "unit": "USD" }, { "start": "2013-01-01", "end": "2013-12-31", "val": -121922000, "accn": "0001161728-16-000028", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-25", "frame": "CY2013", "unit": "USD" }, { "start": "2012-01-01", "end": "2012-12-31", "val": -101353000, "accn": "0001161728-15-000003", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-02-26", "frame": "CY2012", "unit": "USD" }, { "start": "2011-01-01", "end": "2011-12-31", "val": -66351000, "accn": "0001161728-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-02-27", "frame": "CY2011", "unit": "USD" }, { "start": "2010-01-01", "end": "2010-12-31", "val": -57385000, "accn": "0001161728-13-000001", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-02-26", "frame": "CY2010", "unit": "USD" }, { "start": "2009-01-01", "end": "2009-12-31", "val": -79975000, "accn": "0001161728-12-000004", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-24", "frame": "CY2009", "unit": "USD" }, { "start": "2008-01-01", "end": "2008-12-31", "val": -104282000, "accn": "0001161728-11-000005", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-24", "frame": "CY2008", "unit": "USD" } ] }, { "tag": "RetainedEarningsAccumulatedDeficit", "taxonomy": "us-gaap", "label": "Retained earnings or deficit", "kind": "instant", "unitKind": "money", "meaning": "Accumulated undistributed earnings or deficit at the reporting date. This balance is not cash available for distribution.", "observations": [ { "end": "2025-12-31", "val": 832435000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2025Q4I", "unit": "USD" }, { "end": "2024-12-31", "val": 764133000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2024Q4I", "unit": "USD" }, { "end": "2023-12-31", "val": 707160000, "accn": "0000950170-25-026262", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-25", "frame": "CY2023Q4I", "unit": "USD" }, { "end": "2022-12-31", "val": 649854000, "accn": "0000950170-24-017706", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-21", "frame": "CY2022Q4I", "unit": "USD" }, { "end": "2021-12-31", "val": 596402000, "accn": "0000950170-23-003632", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-22", "frame": "CY2021Q4I", "unit": "USD" }, { "end": "2020-12-31", "val": 545429000, "accn": "0000950170-22-001709", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-23", "frame": "CY2020Q4I", "unit": "USD" }, { "end": "2019-12-31", "val": 504740000, "accn": "0001161728-21-000013", "fy": 2020, "fp": "FY", "form": "10-K", "filed": "2021-02-24", "frame": "CY2019Q4I", "unit": "USD" }, { "end": "2018-12-31", "val": 465708000, "accn": "0001161728-20-000016", "fy": 2019, "fp": "FY", "form": "10-K", "filed": "2020-02-27", "frame": "CY2018Q4I", "unit": "USD" }, { "end": "2017-12-31", "val": 426874000, "accn": "0001161728-19-000005", "fy": 2018, "fp": "FY", "form": "10-K", "filed": "2019-02-22", "frame": "CY2017Q4I", "unit": "USD" }, { "end": "2016-12-31", "val": 372950000, "accn": "0001161728-18-000003", "fy": 2017, "fp": "FY", "form": "10-K", "filed": "2018-02-23", "frame": "CY2016Q4I", "unit": "USD" }, { "end": "2015-12-31", "val": 339165000, "accn": "0001161728-17-000004", "fy": 2016, "fp": "FY", "form": "10-K", "filed": "2017-02-24", "frame": "CY2015Q4I", "unit": "USD" }, { "end": "2014-12-31", "val": 308007000, "accn": "0001161728-16-000028", "fy": 2015, "fp": "FY", "form": "10-K", "filed": "2016-02-25", "frame": "CY2014Q4I", "unit": "USD" }, { "end": "2013-12-31", "val": 266197000, "accn": "0001161728-15-000003", "fy": 2014, "fp": "FY", "form": "10-K", "filed": "2015-02-26", "frame": "CY2013Q4I", "unit": "USD" }, { "end": "2012-12-31", "val": 228399000, "accn": "0001161728-14-000004", "fy": 2013, "fp": "FY", "form": "10-K", "filed": "2014-02-27", "frame": "CY2012Q4I", "unit": "USD" }, { "end": "2011-12-31", "val": 211458000, "accn": "0001161728-13-000001", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-02-26", "frame": "CY2011Q4I", "unit": "USD" }, { "end": "2010-12-31", "val": 185556000, "accn": "0001161728-12-000004", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-24", "frame": "CY2010Q4I", "unit": "USD" }, { "end": "2009-12-31", "val": 162208000, "accn": "0001161728-11-000005", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-24", "frame": "CY2009Q4I", "unit": "USD" } ] }, { "tag": "WeightedAverageNumberOfSharesOutstandingBasic", "taxonomy": "us-gaap", "label": "Basic weighted-average shares", "kind": "duration", "unitKind": "shares", "meaning": "Time-weighted shares used for basic earnings per share. This denominator differs from shares outstanding at a single reporting date.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 36534000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2025", "unit": "shares" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 36210000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2024", "unit": "shares" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 36163000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2023", "unit": "shares" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 36163000, "accn": "0000950170-25-026262", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-25", "frame": "CY2022", "unit": "shares" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 36163000, "accn": "0000950170-24-017706", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-21", "frame": "CY2021", "unit": "shares" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 35612000, "accn": "0000950170-23-003632", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-22", "frame": "CY2020", "unit": "shares" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 34668000, "accn": "0000950170-22-001709", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-23", "frame": "CY2019", "unit": "shares" }, { "start": "2012-01-01", "end": "2012-12-31", "val": 23114000, "accn": "0001161728-13-000001", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-02-26", "frame": "CY2012", "unit": "shares" }, { "start": "2011-01-01", "end": "2011-12-31", "val": 23114000, "accn": "0001161728-13-000001", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-02-26", "frame": "CY2011", "unit": "shares" }, { "start": "2010-01-01", "end": "2010-12-31", "val": 23114000, "accn": "0001161728-13-000001", "fy": 2012, "fp": "FY", "form": "10-K", "filed": "2013-02-26", "frame": "CY2010", "unit": "shares" }, { "start": "2009-01-01", "end": "2009-12-31", "val": 23070000, "accn": "0001161728-12-000004", "fy": 2011, "fp": "FY", "form": "10-K", "filed": "2012-02-24", "frame": "CY2009", "unit": "shares" }, { "start": "2008-01-01", "end": "2008-12-31", "val": 22197000, "accn": "0001161728-11-000005", "fy": 2010, "fp": "FY", "form": "10-K", "filed": "2011-02-24", "frame": "CY2008", "unit": "shares" } ] }, { "tag": "WeightedAverageNumberOfDilutedSharesOutstanding", "taxonomy": "us-gaap", "label": "Diluted weighted-average shares", "kind": "duration", "unitKind": "shares", "meaning": "Weighted-average shares used for diluted earnings per share. Potential shares are included under the applicable dilution rules, not simply added to outstanding shares.", "observations": [ { "start": "2025-01-01", "end": "2025-12-31", "val": 36571000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2025", "unit": "shares" }, { "start": "2024-01-01", "end": "2024-12-31", "val": 36239000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2024", "unit": "shares" }, { "start": "2023-01-01", "end": "2023-12-31", "val": 36186000, "accn": "0001193125-26-067036", "fy": 2025, "fp": "FY", "form": "10-K", "filed": "2026-02-24", "frame": "CY2023", "unit": "shares" }, { "start": "2022-01-01", "end": "2022-12-31", "val": 36174000, "accn": "0000950170-25-026262", "fy": 2024, "fp": "FY", "form": "10-K", "filed": "2025-02-25", "frame": "CY2022", "unit": "shares" }, { "start": "2021-01-01", "end": "2021-12-31", "val": 36167000, "accn": "0000950170-24-017706", "fy": 2023, "fp": "FY", "form": "10-K", "filed": "2024-02-21", "frame": "CY2021", "unit": "shares" }, { "start": "2020-01-01", "end": "2020-12-31", "val": 35612000, "accn": "0000950170-23-003632", "fy": 2022, "fp": "FY", "form": "10-K", "filed": "2023-02-22", "frame": "CY2020", "unit": "shares" }, { "start": "2019-01-01", "end": "2019-12-31", "val": 34668000, "accn": "0000950170-22-001709", "fy": 2021, "fp": "FY", "form": "10-K", "filed": "2022-02-23", "frame": "CY2019", "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. 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Antidilutive instruments may be excluded. 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