Income Taxes (Schedule Of Temporary Differences Resulting In Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2014	Feb. 28, 2013
Income Taxes [Abstract]
Accrued expenses	$ 48,611	$ 35,270
Partnership basis	71,503	70,737
Property And Equipment	0	3,510
Stock compensation	60,158	53,297
Derivatives	4,896	3,904
Capital loss carry forward	1,296	1,110
Total gross deferred tax assets	186,464	167,828
Less: valuation allowance	(1,296)	(1,110)
Net gross deferred tax assets	185,168	166,718
Prepaid expenses	13,991	9,429
Property and equipment	3,737	0
Inventory	7,375	6,221
Total gross deferred tax liabilities	25,103	15,650
Net deferred tax asset	$ 160,065	$ 151,068