Stock And Stock-Based Incentive Plans (Expected Cash Settlement Range Upon Restricted Stock Unit Vesting) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Nov. 30, 2013
Minimum [Member]
Fiscal 2015	$ 11,276	[1]
Fiscal 2016	12,422	[1]
Fiscal 2017	14,159	[1]
Total expected cash settlements	37,857	[1]
Maximum [Member]
Fiscal 2015	30,069	[1]
Fiscal 2016	33,126	[1]
Fiscal 2017	37,757	[1]
Total expected cash settlements	$ 100,952	[1]

[1] (1)Net of estimated forfeitures.