Other Income and Expense (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Nov. 25, 2011		Nov. 26, 2010		Nov. 25, 2011		Nov. 26, 2010
Other operating income and expenses
Gain on sale of intellectual properties					$ (4,500)
Miscellaneous	(813)	[1]	(1,048)	[1]	(2,358)	[1]	(2,578)	[1]
Other operating income - net	$ (813)		$ (1,048)		$ (6,858)		$ (2,578)

[1] "Miscellaneous" includes, among other things, income/loss from equity securities.