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This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' 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Y","form":"10-K","filed":"2025-02-24","frame":"CY2022Q4I"},{"end":"2023-12-31","val":232894000,"accn":"0000805676-24-000037","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-23"},{"end":"2023-12-31","val":232894000,"accn":"0000805676-25-000014","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-24"},{"end":"2023-12-31","val":232894000,"accn":"0000805676-26-000017","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-23","frame":"CY2023Q4I"},{"end":"2024-12-31","val":225771000,"accn":"0000805676-25-000014","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-24"},{"end":"2024-12-31","val":225771000,"accn":"0000805676-26-000017","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-23","frame":"CY2024Q4I"},{"end":"2025-12-31","val":237725000,"accn":"0000805676-26-000017","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-23","frame":"CY2025Q4I"}]}},"DefinedBenefitPlanFundedStatusOfPlan":{"label":"Defined 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Generally, only investments with original maturities of three months or less qualify as cash equivalents by definition. Original maturity means an original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. 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If the additional pension liability required to be recognized exceeds the unrecognized prior service costs, then the excess (which is the net loss not yet recognized as net periodic pension cost) is to be recorded as a reduction of other comprehensive income, before adjusting for tax effects. If in a subsequent measurement, the amount of minimum liability is eliminated or adjusted, this adjustment is offset against other comprehensive income in Accumulated Comprehensive Income. This line also includes changes in an entity's share of an equity investee's Increase or Decrease in additional pension liability not yet recognized as a net periodic pension cost. 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