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Revenue Recognition - Schedule of Disaggregated Revenue (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
May 31, 2026 | May 31, 2025 | May 31, 2024
Disaggregation of Revenue [Line Items] |  |  |
Revenue | $ 11,264,761 | $ 10,340,181 | $ 9,596,615
Uniform Rental and Facility Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue | 8,621,624 | 7,976,073 | 7,465,199
First Aid and Safety Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue | 1,391,853 | 1,218,090 | 1,067,334
Fire Protection Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue | 929,142 | 817,463 | 728,610
Uniform Direct Sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue | $ 322,142 | $ 328,555 | $ 335,472
Product concentration risk | Revenue from Contract with Customer Benchmark |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage of revenue | 100.00% | 100.00% | 100.00%
Product concentration risk | Revenue from Contract with Customer Benchmark | Uniform Rental and Facility Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage of revenue | 76.50% | 77.10% | 77.80%
Product concentration risk | Revenue from Contract with Customer Benchmark | First Aid and Safety Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage of revenue | 12.40% | 11.80% | 11.10%
Product concentration risk | Revenue from Contract with Customer Benchmark | Fire Protection Services |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage of revenue | 8.20% | 7.90% | 7.60%
Product concentration risk | Revenue from Contract with Customer Benchmark | Uniform Direct Sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage of revenue | 2.90% | 3.20% | 3.50%

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