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Revenue Recognition (Tables) | 12 Months Ended
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May 31, 2026
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregated Revenue | The following table presents Cintas' total revenue disaggregated by operating segment for the fiscal years ended May 31:
(In thousands) | 2026 |  |  | 2025 |  |  | 2024
Uniform Rental and Facility Services | $ | 8,621,624 |  | 76.5 | % |  |  | $ | 7,976,073 |  | 77.1 | % |  |  | $ | 7,465,199 |  | 77.8 | %
First Aid and Safety Services | 1,391,853 |  | 12.4 | % |  |  | 1,218,090 |  | 11.8 | % |  |  | 1,067,334 |  | 11.1 | %
Fire Protection Services | 929,142 |  | 8.2 | % |  |  | 817,463 |  | 7.9 | % |  |  | 728,610 |  | 7.6 | %
Uniform Direct Sales | 322,142 |  | 2.9 | % |  |  | 328,555 |  | 3.2 | % |  |  | 335,472 |  | 3.5 | %
Total revenue | $ | 11,264,761 |  | 100.0 | % |  |  | $ | 10,340,181 |  | 100.0 | % |  |  | $ | 9,596,615 |  | 100.0 | %

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