Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Nov. 27, 2011	Nov. 28, 2010	Nov. 27, 2011	Nov. 28, 2010
Revenues:
Product sales	$ 79,352	$ 67,720	$ 150,211	$ 129,980
Services revenue, related party	805	986	1,785	2,051
License fees	1,413	1,462	2,875	3,089
Total revenues	81,570	70,168	154,871	135,120
Cost of product sales	66,292	56,478	126,291	107,202
Cost of product sales, related party	1,602	960	2,872	2,522
Cost of services revenue	666	875	1,448	1,725
Total cost of revenue	68,560	58,313	130,611	111,449
Gross profit	13,010	11,855	24,260	23,671
Research and development	2,337	2,255	4,670	4,487
Selling, general and administrative	6,464	6,072	12,508	11,725
Total operating costs and expenses	8,801	8,327	17,178	16,212
Operating income	4,209	3,528	7,082	7,459
Dividend income	281		563
Interest income	81	117	157	224
Interest expense	(163)	(209)	(340)	(435)
Other income (expense)	1,079	(44)	1,088	(102)
Net income before taxes	5,487	3,392	8,550	7,146
Income tax expense	(2,049)	(1,209)	(3,159)	(2,561)
Consolidated net income	3,438	2,183	5,391	4,585
Non controlling interest	(98)	(128)	(239)	(226)
Net income applicable to Common Stockholders	$ 3,340	$ 2,055	$ 5,152	$ 4,359
Basic net income per share (in Dollars per share)	$ 0.13	$ 0.08	$ 0.20	$ 0.17
Diluted net income per share (in Dollars per share)	$ 0.13	$ 0.08	$ 0.20	$ 0.16
Basic (in Shares)	25,885	26,324	26,147	26,412
Diluted (in Shares)	26,135	26,560	26,399	26,639