Segment Reporting - Schedule of Net Sales and Gross Profit by Geographic Region (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Feb. 27, 2021	Feb. 29, 2020	Feb. 27, 2021	Feb. 29, 2020
Segment Reporting Information [Line Items]
Net Sales		$ 45,235	$ 38,249	$ 126,465	$ 118,536
Gross Profit		15,766	12,670	42,468	38,301
North America
Segment Reporting Information [Line Items]
Net Sales		19,654	15,935	53,513	48,475
Gross Profit		8,081	6,552	21,099	18,656
Asia/Pacific
Segment Reporting Information [Line Items]
Net Sales		9,821	6,812	28,970	24,612
Gross Profit		3,517	2,261	9,592	7,910
Europe
Segment Reporting Information [Line Items]
Net Sales		13,285	12,438	37,277	38,572
Gross Profit		4,356	4,011	12,153	12,157
Latin America
Segment Reporting Information [Line Items]
Net Sales		2,446	3,057	6,591	6,894
Gross Profit		896	994	2,345	2,338
Other
Segment Reporting Information [Line Items]
Net Sales	[1]	29	7	114	(17)
Gross Profit	[1]	$ (1,084)	$ (1,148)	$ (2,721)	$ (2,760)

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