75000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink Amendment Flag Document Type Entity Central Index Key Change in Fair Value as of Vesting Date of Option Awards and Stock Awards Granted in Prior Fiscal Years for Which Applicable Vesting Conditions Were Satisfied During Fiscal Year [Member] Change in fair value as of vesting date of option awards and stock awards granted in prior fiscal years for which applicable vesting conditions were satisfied during fiscal year. Change in Fair Value From BOY to Vesting Date of Awards Granted in any Prior Year that Vested During the Year [Member] Change in fair value from boy to vesting date of awards granted in any prior year that vested during the year. Cover [Abstract] SCT Equity [Member] SCT Equity. Change in Fair Value of Outstanding and Unvested Option Awards and Stock Awards Granted in Prior Fiscal Years [Member] Change in fair value of outstanding and unvested option awards and stock awards granted in prior fiscal years. Entity Registrant Name Value of Equity Awards [Member] Value of equity awards. Fair Value of Equity Awards Granted During the Year that are Outstanding and Unvested at EOY [Member] Fair value of equity awards granted during the year that are outstanding and unvested at EOY. Change From BOY in Fair Value of Awards Granted in any Prior Year that are Outstanding and Unvested at EOY [Member] Change from boy in fair value of awards granted in any prior year that are outstanding and unvested at EOY. Fair Value at Fiscal Year-end of Outstanding and Unvested Option Awards and Stock Awards Granted in the Fiscal Year [Member] Fair value at fiscal year-end of outstanding and unvested option awards and stock awards granted in the fiscal year.