Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 01, 2012	Sep. 03, 2011
Operating Results From Segment [Abstract]
Net sales	$ 35,650	$ 41,511
Gross Profit	10,646	12,702
EDG [Member]
Operating Results From Segment [Abstract]
Net sales	25,627	30,729
Gross Profit	8,000	9,671
Canvys [Member]
Operating Results From Segment [Abstract]
Net sales	10,023	10,782
Gross Profit	$ 2,646	$ 3,031