CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Per Share data	Aug. 27, 2011	Feb. 26, 2011	Aug. 28, 2010
Preferred stock, par value	$ 0.01	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,000	1,000	1,000
Preferred stock, issued	0	0	0
Common stock, par value	$ 0.01	$ 0.01	$ 0.01
Treasury stock, shares	8,131	6,964	6,781
Class A
Common stock, Shares authorized	100,000	100,000	100,000
Common stock, Shares issued	58,739	58,001	57,597
Common stock, Shares outstanding	50,608	51,037	50,816
Class B
Common stock, Shares authorized	10,000	10,000	10,000
Common stock, Shares issued	671	1,351	1,750
Common stock, Shares outstanding	671	1,351	1,750