Year-End Fair Value of Awards Granted in the Year [Member] Fair Values At Vest Date For Awards Granted And Vested In Current Year [Member] Dividends or Dividend Equivalents Not Included Total Compensation [Member] Additions for Prior Service Cost [Member] Increase/Deduction In Fair Values For Unvested Awards Granted In Prior Years [Member] Forfeitures During Current Year Equal To Prior Year-End Fair Value [Member] Difference In Fair Values Between Prior Year-End Fair Values And Vest Date Fair Values For Awards Granted In Prior Years [Member] Adjustment for Summary Compensation Table Pension [Member] Adjustment to Compensation Amount, Equity Awards Total Adjustments for Equity Awards [Member] Grant Date Fair Value of Stock Awards [Member] Additions for Current Year Service Cost [Member] Total Adjustments for Pension [Member]