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| Other Comprehensive Income (Loss), Defined Benefit Plan Amounts Recognized [Roll Up] |
| DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLoss |
| PostEmploymentButPreRetirementCosts |
| Disclosure of the changes in plan assets and benefit obligations recognized in other comprehensive income (loss) during the period. |
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| us-gaap:ScheduleOfDefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock |
| List of human readable examples |
| List of machine readable examples |
| http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits | XML | HTML |