Net Sales and Gross Profit by Geographic Region (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Feb. 28, 2015	Mar. 01, 2014	Feb. 28, 2015	Mar. 01, 2014
Segment Reporting Information [Line Items]
Net Sales	$ 33,471	$ 32,884	$ 102,011	$ 102,577
Total, Gross Profit	9,800	9,651	30,920	30,850
North America
Segment Reporting Information [Line Items]
Net Sales	15,905	14,742	44,373	42,970
Total, Gross Profit	5,406	4,988	15,436	14,653
Asia Pacific
Segment Reporting Information [Line Items]
Net Sales	5,577	4,996	18,001	17,548
Total, Gross Profit	1,818	1,547	5,931	5,631
Europe
Segment Reporting Information [Line Items]
Net Sales	10,006	10,986	33,137	34,651
Total, Gross Profit	3,086	3,485	10,833	11,190
Latin America
Segment Reporting Information [Line Items]
Net Sales	1,905	1,890	6,433	6,661
Total, Gross Profit	635	646	2,324	2,479
Other
Segment Reporting Information [Line Items]
Net Sales	78	270	67	747
Total, Gross Profit	$ (1,145)	$ (1,015)	$ (3,604)	$ (3,103)