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Revenue Recognition - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Nov. 30, 2024 | Nov. 30, 2023 | Nov. 30, 2024 | Nov. 30, 2023 | May 31, 2024
Disaggregation of Revenue [Line Items] |  |  |  |  |
Deferred commissions, current | $ 95.0 |  | $ 95.0 |  | $ 94.6
Deferred commissions, noncurrent | 268.9 |  | 268.9 |  | $ 262.5
Amortization of deferred commissions | $ 26.7 | $ 25.2 | $ 52.6 | $ 49.6 |
Revenue | Product Concentration Risk |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Percentage of revenue | 100.00% | 100.00% | 100.00% | 100.00% |
Revenue | Product Concentration Risk | Uniform Direct Sales |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Percentage of revenue | 3.10% | 3.60% | 3.10% | 3.50% |
Route Servicing Fees | Revenue | Product Concentration Risk | Uniform Rental and Facility Services, First Aid and Safety Services and Fire Protection Services |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Percentage of revenue |  |  | 95.00% |  |
Other | Revenue | Product Concentration Risk | Uniform Direct Sales |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Percentage of revenue |  |  | 5.00% |  |

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