Consolidated Statement of Stockholders' Equity - 6 months ended Nov. 28, 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						(3,685)		(3,685)
Foreign currency translation							(2,152)	(2,152)
Fair value adjustments on investments							(32)	(32)
Share-based compensation:
Stock options				315				315
Common stock:
Options exercised			1	120				121
Options exercised (shares)	23
Repurchase of common stock					$ (5,015)			$ (5,015)
Cancellation of treasury stock			(43)	(4,972)	$ 5,015
Cancellation of treasury stock (shares)	(855)
Other						(4)		$ (4)
Dividends paid to:
Common (per share)						(1,331)		(1,331)
Class B (per share)						(232)		(232)
Ending Balance at Nov. 28, 2015			$ 642	$ 58,715		$ 83,889	$ 1,391	$ 144,637
Ending Balance (in shares) at Nov. 28, 2015	10,698	2,141