Royalty Revenue and Related Expenses (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
Royalty Revenue and Royalty Expenses [Abstract]
Royalty revenue	$ 6,472	$ 8,148	$ 21,097	$ 21,831
Royalty expenses
Material, labor and other production costs	230,572	199,177	546,699	502,903
Selling, distribution and marketing expenses	140,110	117,314	388,491	347,183
Administrative and general expenses	60,510	58,725	186,734	186,950
AG intellectual properties [Member]
Royalty Revenue and Royalty Expenses [Abstract]
Royalty revenue	6,401	8,058	20,785	21,624
Royalty expenses
Material, labor and other production costs	2,789	2,784	7,781	7,932
Selling, distribution and marketing expenses	2,621	3,507	7,345	9,231
Administrative and general expenses	431	445	1,292	1,300
Total expenses associated with Royalty Revenue	$ 5,841	$ 6,736	$ 16,418	$ 18,463