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Segment Reporting - Schedule of Operating Results by Segment (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
PMT |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net Sales | 28,988 | 29,725 | 89,158 | 96,822
Gross Profit | 9,519 | 9,406 | 28,547 | 30,520
Canvys |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net Sales | 7,200 | 6,954 | 22,333 | 20,625
Gross Profit | 2,362 | 2,281 | 7,268 | 6,726
Healthcare |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net Sales | 2,061 | 2,339 | 7,045 | 7,042
Gross Profit | $ 789 | $ 612 | $ 2,486 | $ 1,977

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