Segment Reporting - Schedule of Net Sales and Gross Profit by Geographic Region (Details) - USD ($) $ in Thousands		3 Months Ended
		Sep. 01, 2018	Sep. 02, 2017
Segment Reporting Information [Line Items]
Net Sales		$ 44,157	$ 36,995
Gross Profit		13,953	12,148
North America
Segment Reporting Information [Line Items]
Net Sales		17,023	15,063
Gross Profit		6,587	5,606
Asia/Pacific
Segment Reporting Information [Line Items]
Net Sales		9,542	7,010
Gross Profit		3,005	2,380
Europe
Segment Reporting Information [Line Items]
Net Sales		14,756	12,500
Gross Profit		4,523	4,105
Latin America
Segment Reporting Information [Line Items]
Net Sales		2,814	2,419
Gross Profit		1,066	964
Other
Segment Reporting Information [Line Items]
Net Sales	[1]	22	3
Gross Profit	[1]	$ (1,228)	$ (907)

[1] Other includes primarily net sales not allocated to a specific geographical region, unabsorbed value-add costs and other unallocated expenses.