Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	May. 30, 2015	May. 31, 2014
Allowance for doubtful accounts	$ 513	$ 430
Treasury stock, shares	26,563	26,699
Common Stock [Member]
Common stock, par value per share	$ 0.01	$ 0.01
Common stock, shares authorized	120,000	120,000
Common stock, shares issued	70,261	70,261
Common stock, shares outstanding	43,698	43,562
Class A Common Stock [Member]
Common stock, par value per share	$ 0.01	$ 0.01
Common stock, shares authorized	4,800	4,800
Common stock, shares issued	4,800	4,800
Common stock, shares outstanding	4,800	4,800