Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data	Aug. 27, 2011	May 28, 2011
Treasury stock, shares	13,659	13,665
Common Stock
Common stock, par value per share	$ 0.01	$ 0.01
Common stock, authorized shares	60,000	60,000
Common stock, issued	35,130	35,130
Common stock, shares outstanding	21,471	21,465
Class A Common Stock
Common stock, par value per share	$ 0.01	$ 0.01
Common stock, authorized shares	2,400	2,400
Common stock, issued	2,400	2,400
Common stock, shares outstanding	2,400	2,400