Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block] |
BenefitObligationsInExcessOfFairValueOfPlanAssets |
PostEmploymentButPreRetirementCosts |
Disclosure of the aggregate benefit obligation and aggregate fair value of plan assets for pension plans and/or other employee benefit plans with benefit obligations in excess of plan assets as of the measurement date. |
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us-gaap:ScheduleOfBenefitObligationsInExcessOfFairValueOfPlanAssetsTableTextBlock |
http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |