Operating Results by Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 01, 2013	Mar. 02, 2013	Dec. 01, 2012	Sep. 01, 2012	Jun. 02, 2012	Mar. 03, 2012	Dec. 03, 2011	Sep. 03, 2011	Jun. 01, 2013	Jun. 02, 2012	May 28, 2011
Segment Reporting Information [Line Items]
Net sales	$ 35,183	$ 33,630	$ 36,603	$ 35,650	$ 38,857	$ 38,330	$ 39,138	$ 41,511	$ 141,066	$ 157,836	$ 158,867
Gross Profit	10,247	9,910	10,742	10,646	11,092	11,297	11,690	12,702	41,545	46,781	46,113
EDG
Segment Reporting Information [Line Items]
Net sales									102,593	112,586	113,715
Gross Profit									31,431	34,626	35,020
Canvys
Segment Reporting Information [Line Items]
Net sales									38,473	45,250	45,152
Gross Profit									$ 10,114	$ 12,155	$ 11,093