Consolidated Statements Of Income And Comprehensive Income (USD $) In Thousands, except Per Share data	3 Months Ended
	Sep. 03, 2011	Aug. 28, 2010
Statements of Income
Net sales	$ 41,511	$ 37,510
Cost of sales	28,809	26,119
Gross profit	12,702	11,391
Selling, general, and administrative expenses	10,772	10,545
Gain on disposal of assets	(70)
Operating income	2,000	846
Other (income) expense:
Interest expense		67
Investment/interest income	(364)
Foreign exchange loss	781	119
Loss on retirement of short-term debt		60
Other, net	(21)	9
Total other expense	396	255
Income from continuing operations before income taxes	1,604	591
Income tax provision	575	138
Income from continuing operations	1,029	453
Income from discontinued operations, net of tax	2,602	7,923
Net income	3,631	8,376
Statements of Comprehensive Income
Net income	3,631	8,376
Foreign currency translation	1,368	2,018
Fair value adjustments on investments	(48)	(3)
Comprehensive income	$ 4,951	$ 10,391
Common Stock [Member]
Net income per Common share - Basic:
Income from continuing operations	$ 0.06	$ 0.03
Income from discontinued operations	$ 0.15	$ 0.45
Total net income per Common share - Basic:	$ 0.21	$ 0.48
Net income per Common share - Diluted:
Income from continuing operations	$ 0.06	$ 0.03
Income from discontinued operations	$ 0.15	$ 0.44
Total net income per Common share - Diluted:	$ 0.21	$ 0.47
Weighted average number of shares:
Common shares - Basic	14,343	14,679
Common shares - Diluted	17,469	17,917
Dividends per common share	$ 0.05	$ 0.02
Class B Common Stock [Member]
Net income per Common share - Basic:
Income from continuing operations	$ 0.05	$ 0.02
Income from discontinued operations	$ 0.14	$ 0.41
Total net income per Common share - Basic:	$ 0.19	$ 0.43
Net income per Common share - Diluted:
Income from continuing operations	$ 0.05	$ 0.02
Income from discontinued operations	$ 0.14	$ 0.41
Total net income per Common share - Diluted:	$ 0.19	$ 0.43
Weighted average number of shares:
Common shares - Basic	2,952	3,048
Common shares - Diluted	2,952	3,048
Dividends per common share	$ 0.045	$ 0.018