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Segment Reporting - Schedule of Net Sales and Gross Profit by Geographic Region (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Feb. 29, 2020	Mar. 02, 2019	Feb. 29, 2020	Mar. 02, 2019
Segment Reporting Information [Line Items]
Net Sales		$ 38,249	$ 39,018	$ 118,536	$ 124,489
Gross Profit		12,670	12,299	38,301	39,223
North America
Segment Reporting Information [Line Items]
Net Sales		15,935	14,665	48,475	48,513
Gross Profit		6,552	5,577	18,656	18,682
Asia/Pacific
Segment Reporting Information [Line Items]
Net Sales		6,812	8,007	24,612	26,069
Gross Profit		2,261	2,482	7,910	8,188
Europe
Segment Reporting Information [Line Items]
Net Sales		12,438	13,612	38,572	41,761
Gross Profit		4,011	4,403	12,157	13,141
Latin America
Segment Reporting Information [Line Items]
Net Sales		3,057	2,702	6,894	8,075
Gross Profit		994	990	2,338	3,011
Other
Segment Reporting Information [Line Items]
Net Sales	[1]	7	32	(17)	71
Gross Profit	[1]	$ (1,148)	$ (1,153)	$ (2,760)	$ (3,799)
[1] Other includes primarily net sales not allocated to a specific geographical region, unabsorbed value-add costs and other unallocated expenses.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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-Name Accounting Standards Codification
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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