Actuarially Determined Service Cost [Member] Actuarially determined service cost. Aggregate Change in the Actuarial Present Value of Accumulated Benefits under All Defined Benefit and Pension Plans [Member] Aggregate change in the actuarial present value of accumulated benefits under all defined benefit and pension plans. Change in Fair Value (from Prior Year-End) of Prior Year Awards that Vested this Year [Member] Change in fair value (from prior year-end) of prior year awards that vested this year. Difference Between Fair Value of Awards from the End of the Prior Fiscal Year to the End of this Fiscal Year for Awards Granted in Any Prior Fiscal Year that are Outstanding and Unvested at Year-End [Member] Difference between fair value of awards from the end of the prior fiscal year to the end of this fiscal year for awards granted in any prior fiscal year that are outstanding and unvested at year-end. Dividends Paid on Stock Awards Paid in this Fiscal Year Prior to Vesting if not Otherwise Included in SCT Total Compensation [Member] Dividends paid on stock awards paid in this fiscal year prior to vesting if not otherwise included in SCT total compensation. Fair Value as of the Vesting Date for Awards Granted this Year and that Vested this Year [Member] Fair value as of the vesting date for awards granted this year and that vested this year. Prior Year-End Fair Value for Awards Granted in any Prior Fiscal Year that Fail to Meet the Applicable Vesting Conditions During this Fiscal Year [Member] Prior year-end fair value for awards granted in any prior fiscal year that fail to meet the applicable vesting conditions during this fiscal year. Total Adjustments [Member] Total adjustments. Value of Stock and Option Awards Reported in SCT [Member] Value of Stock and Option Awards reported in SCT. Year-End Fair Value of Awards Granted in this Fiscal Year that are Unvested and Outstanding at Year-End [Member] Year-end fair value of awards granted in this fiscal year that are unvested and outstanding at year-end. Share Price