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These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.falsefalseDefined Benefit Plan Disclosure [Line Items]3false0us-gaap_DefinedBenefitPlanFairValueOfPlanAssetsus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsetruefalsefalseperiodstartlabel1truefalsefalse108929000108929falsetruefalsefalsefalse2truefalsefalse9667400096674falsetruefalsefalsefalse3truefalsefalse8252300082523falsetruefalsetruefalse4truefalsefalse5845600058456falsetruefalsetruefalse5truefalsefalse30840003084falsetruefalsetruefalse6truefalsefalse20830002083falsetruefalsetruefalse7truefalsefalse1106700011067falsetruefalsetruefalse8truefalsefalse1006900010069falsetruefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryAssets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. 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