Segment Reporting - Schedule of Net Sales and Gross Profit by Geographic Region (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Nov. 28, 2020	Nov. 30, 2019	Nov. 28, 2020	Nov. 30, 2019
Segment Reporting Information [Line Items]
Net Sales		$ 42,418	$ 39,634	$ 81,230	$ 80,287
Gross Profit		14,343	12,680	26,702	25,631
North America
Segment Reporting Information [Line Items]
Net Sales		17,730	15,306	33,859	32,540
Gross Profit		7,001	5,797	13,018	12,104
Asia/Pacific
Segment Reporting Information [Line Items]
Net Sales		9,114	9,277	19,149	17,800
Gross Profit		2,997	3,056	6,075	5,649
Europe
Segment Reporting Information [Line Items]
Net Sales		13,305	13,210	23,992	26,134
Gross Profit		4,441	4,015	7,797	8,146
Latin America
Segment Reporting Information [Line Items]
Net Sales		2,218	1,859	4,145	3,837
Gross Profit		787	644	1,449	1,344
Other
Segment Reporting Information [Line Items]
Net Sales	[1]	51	(18)	85	(24)
Gross Profit	[1]	$ (883)	$ (832)	$ (1,637)	$ (1,612)

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