Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Nov. 26, 2011	Feb. 26, 2011
Consolidated Balance Sheets
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized shares	1,000	1,000
Preferred stock, issued shares	0	0
Preferred stock, outstanding shares	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized shares	900,000	900,000
Common stock, issued shares	330,366	325,222
Common stock, outstanding shares	241,246	251,666
Treasury stock, shares	89,120	73,556