Deferred Costs - Deferred Costs and Future Payment Commitments (Detail) (USD $) In Thousands, unless otherwise specified	May 31, 2013	Feb. 28, 2013	May 25, 2012
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Prepaid expenses and other	$ 88,912	$ 93,873	$ 85,622
Other assets	328,063	332,159	378,091
Deferred cost assets	416,975	426,032	463,713
Other current liabilities	(63,378)	(61,282)	(45,625)
Other liabilities	(91,359)	(92,153)	(131,883)
Deferred cost liabilities	(154,737)	(153,435)	(177,508)
Net deferred costs	$ 262,238	$ 272,597	$ 286,205