75000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink Change In Fair Value Of Equity Awards Granted In Prior Fiscal Years That Were Outstanding And Unvested As Of The Covered Fiscal Year-end [Member] Change in fair value of equity awards granted in prior fiscal years that were outstanding and unvested as of the covered fiscal year-end. Change in Fair Value of Equity Awards Granted in Prior Fiscal Years That Were Outstanding and Unvested as of the Covered Fiscal Tear-end Change In Fair Value Of Equity Awards Granted In Prior Fiscal Years That Vested During The Covered Fiscal Year [Member] Change in fair value of equity awards granted in prior fiscal years that vested during the covered fiscal year. Change in Fair Value of Equity Awards Granted in Prior Fiscal Years That Vested During the Covered Fiscal Year Amendment Flag Amendment Flag Option Awards Column Value [Member] Option awards column value. "Option Awards" Column Value Document Type Document Type Entity Central Index Key Entity Central Index Key Dollar Value Of Dividends Or Other Earnings Paid Prior To The Vesting Date On Equity Awards During The Covered Fiscal Year [Member] Dollar value of dividends or other earnings paid prior to the vesting date on equity awards during the covered fiscal year Dollar Value of Dividends or Other Earnings Paid Prior to the Vesting Date on Equity Awards During the Covered Fiscal Year Service Cost Of Pension Benefits [Member] Service cost of pension benefits. Service Cost of Pension Benefits Stock Awards Column Value [Member] Stock awards column value. "Stock Awards" Column Value Cover [Abstract] Cover Fair Value At Fiscal Year-end Of Equity Awards Granted In The Covered Fiscal Year That Were Outstanding And Unvested As Of The Covered Fiscal Year-end [Member] Fair value at fiscal year-end of equity awards granted in the covered fiscal year that were outstanding and unvested as of the covered fiscal year-end. Fair Value at Fiscal Year-end of Equity Awards Granted in the Covered Fiscal Year That Were Outstanding and Unvested as of the Covered Fiscal Year-end Aggregate Change In Actuarial Present Value Of Pension Benefits [Member] Aggregate change in actuarial present value of pension benefits. Aggregate Change in Actuarial Present Value of Pension Benefits Excess Fair Value For Equity Award Modifications [Member] Excess fair value for equity award modifications Excess Fair Value for Equity Award Modifications Entity Registrant Name Entity Registrant Name Fair Value As Of Prior Fiscal Year-end Of Equity Awards Granted In Prior Fiscal Years That Failed To Vest During The Covered Fiscal Year [Member] Fair value as of prior fiscal year-end of equity awards granted in prior fiscal years that failed to vest during the covered fiscal year. Fair Value as of Prior Fiscal Year-End of Equity Awards Granted in Prior Fiscal Years That Failed to Vest During the Covered Fiscal Year Fair Value At Vesting Date Of Equity Awards Granted And Vested In The Covered Fiscal Year [Member] Fair value at vesting date of equity awards granted and vested in the covered fiscal year. Fair Value at Vesting Date of Equity Awards Granted and Vested in the Covered Fiscal Year