Consolidated Statement of Stockholders' Equity - 3 months ended Aug. 29, 2015 - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Common Class B [Member]	Par Value [Member]	Additional Paid In Capital	Common Stock in Treasury	Retained Earnings	Accumulated Other Comprehensive Income	Total
Beginning Balance at May. 30, 2015			$ 684	$ 63,252		$ 89,141	$ 3,575	$ 156,652
Beginning Balance (in shares) at May. 30, 2015	11,530	2,141
Comprehensive loss
Net loss						(1,399)		(1,399)
Foreign currency translation							(503)	(503)
Fair value adjustments on investments							(60)	$ (60)
Share-based compensation:
Stock options				90
Common stock:
Repurchase of common stock					$ (3,308)
Cancellation of treasury stock			(9)	(1,030)	1,039
Treasury stock (in shares)	(173)
Other						(4)
Dividends paid to:
Common ($0.06 per share)						(690)		$ (690)
Class B ($0.054 per share)						(116)		(116)
Ending Balance at Aug. 29, 2015			$ 675	$ 62,312	$ (2,269)	$ 86,932	$ 3,012	$ 150,662
Ending Balance (in shares) at Aug. 29, 2015	11,357	2,141