Operating Results by Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	May 31, 2014	Mar. 01, 2014	Nov. 30, 2013	Aug. 31, 2013	Jun. 01, 2013	Mar. 02, 2013	Dec. 01, 2012	Sep. 01, 2012	May 31, 2014	Jun. 01, 2013	Jun. 02, 2012
Segment Reporting Information [Line Items]
Net sales	$ 35,383	$ 32,884	$ 35,436	$ 34,257	$ 35,183	$ 33,630	$ 36,603	$ 35,650	$ 137,960	$ 141,066	$ 157,836
Gross Profit	10,164	9,651	11,007	10,192	10,247	9,910	10,742	10,646	41,014	41,545	46,781
EDG
Segment Reporting Information [Line Items]
Net sales									103,274	102,593	112,586
Gross Profit									31,610	31,431	34,626
Canvys
Segment Reporting Information [Line Items]
Net sales									34,686	38,473	45,250
Gross Profit									$ 9,404	$ 10,114	$ 12,155