Segment Reporting - Schedule of Operating Results by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 01, 2018	Dec. 02, 2017	Dec. 01, 2018	Dec. 02, 2017
Segment Reporting Information [Line Items]
Net Sales	$ 41,314	$ 39,082	$ 85,471	$ 76,077
Gross Profit	12,971	13,374	26,924	25,522
PMT
Segment Reporting Information [Line Items]
Net Sales	32,328	30,063	67,097	59,187
Gross Profit	10,107	10,262	21,114	19,836
Canvys
Segment Reporting Information [Line Items]
Net Sales	6,498	6,707	13,671	12,472
Gross Profit	2,132	2,128	4,445	3,674
Healthcare
Segment Reporting Information [Line Items]
Net Sales	2,488	2,312	4,703	4,418
Gross Profit	$ 732	$ 984	$ 1,365	$ 2,012