Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Aug. 29, 2015	May. 30, 2015
Accounts receivable, allowance	$ 283	$ 283
Preferred stock, par value	$ 1.00	$ 1.00
Common stock in treasury	394
Common Stock [Member]
Common stock, par value	$ 0.05	$ 0.05
Common stock, shares issued	11,357	11,530
Common stock, shares outstanding	11,357	11,530
Common Class B [Member]
Common stock, par value	$ 0.05	$ 0.05
Common stock, shares issued	2,141	2,141
Common stock, shares outstanding	2,141	2,141