Stock And Stock-Based Incentive Plans (Expected Cash Settlement Range Upon Restricted Stock Unit Vesting) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 28, 2014
Minimum [Member]
Fiscal 2015	$ 11,191	[1]
Fiscal 2016	12,439	[1]
Fiscal 2017	14,179	[1]
Total expected cash settlements	37,809	[1]
Maximum [Member]
Fiscal 2015	29,843	[1]
Fiscal 2016	33,172	[1]
Fiscal 2017	37,811	[1]
Total expected cash settlements	$ 100,826	[1]

[1] Net of estimated forfeitures.