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Revenue Recognition - Total Revenue Disaggregated by Operating Segment (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Aug. 31, 2022 | Aug. 31, 2021
Disaggregation of Revenue [Line Items] |  |
Revenue | $ 2,166,454 | $ 1,896,950
Uniform Rental and Facility Services |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 1,697,772 | 1,508,176
First Aid and Safety Services |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 234,161 | 199,116
Fire Protection Services |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 151,847 | 128,218
Uniform Direct Sales |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | $ 82,674 | $ 61,440
Revenue | Product Concentration Risk |  |
Disaggregation of Revenue [Line Items] |  |
Percentage of revenue | 100.00% | 100.00%
Revenue | Product Concentration Risk | Uniform Rental and Facility Services |  |
Disaggregation of Revenue [Line Items] |  |
Percentage of revenue | 78.40% | 79.50%
Revenue | Product Concentration Risk | First Aid and Safety Services |  |
Disaggregation of Revenue [Line Items] |  |
Percentage of revenue | 10.80% | 10.50%
Revenue | Product Concentration Risk | Fire Protection Services |  |
Disaggregation of Revenue [Line Items] |  |
Percentage of revenue | 7.00% | 6.80%
Revenue | Product Concentration Risk | Uniform Direct Sales |  |
Disaggregation of Revenue [Line Items] |  |
Percentage of revenue | 3.80% | 3.20%

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