Adjustment for Grant Date Values in the Summary Compensation Table [Member] Adjustment for grant date values in the summary compensation table. Adjustment Summary Compensation Table Pension [Member] Adjustment summary compensation table pension. Amount Added for Current Year Service Cost [Member] Amount added for current year service cost. Amount Added for Prior Service Cost Impacting Current Year [Member] Amount added for prior service cost impacting current year. Difference in Fair Values Between Prior Year-End Fair Values and Vest Date Fair Values for Awards Granted in Prior Years [Member] Difference in fair values between prior year end fair values and vest date fair values for awards granted in prior years. Dividends or Dividend Equivalents not Otherwise Included in Total Compensation [Member] Dividends or dividend equivalents not otherwise included in total compensation. Fair Values at Vest Date for Awards Granted And Vested in Current Year [Member] Fair values at vest date for awards granted and vested in current year. Forfeitures During Current Year Equal to Prior Year-End Fair Value [Member] Forfeitures during current year equal to prior year end fair value. Total Adjustments for Equity Awards [Member] Total adjustments for equity awards. Total Adjustments for Pension [Member] Total adjustments for pension. Year-End Fair Value of Unvested Awards Granted in the Current Year [Member] Year-end fair value of unvested awards granted in the current year. Year-Over-Year Difference of Year-End Fair Values for Unvested Awards Granted in Prior Years [Member] Year-over-year difference of year end fair values for unvested awards granted in prior years.