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 of Outstanding and Unvested Option Awards and Stock Awards Granted in Prior Fiscal Years [Member] Fair Value as of Prior Fiscal YearEnd of Option Awards and Stock Awards Granted in Prior Fiscal Years That Failed to Meet Applicable Vesting Conditions During Fiscal Year [Member] Fair Value at Fiscal YearEnd of Outstanding and Unvested Option Awards and Stock Awards Granted in Fiscal Year [Member] Fair Value at Vesting of Option Awards and Stock Awards Granted in Fiscal Year That Vested During Fiscal Year [Member] Grant Date Fair Value of Option Awards and Stock Awards Granted in Fiscal Year [Member] Value of Dividends or Other Earnings Paid on Option Awards or Stock Awards in the Fiscal Year That Are Not Included in the Total Compensation for the Fiscal Year [Member] Mr. Ekert [Member] Mr. Menke [Member]