Stock-Based Compensation Stock-Based Compensation - Performance Vesting Stock Options (Details) - Chief executive officer - Stock Options with Performance Conditions [Member] - $ / shares		12 Months Ended
	Mar. 04, 2010	Mar. 31, 2006
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, Exercises in Period	83,333	166,667
Options, Exercises in Period, Weighted Average Exercise Price		$ 24.15
Fair Value Assumptions Expected Term after Vesting		10 years
Concurrent Grant or Replacement Award in Period	0