v3.25.4
Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Nov. 30, 2025
Nov. 30, 2024
Nov. 30, 2025
Nov. 30, 2024
May 31, 2025
Segment Reporting Information          
Number of reportable segments not disclosed     reportable operating segments    
Revenue $ 2,799,992 $ 2,561,783 $ 5,518,114 $ 5,063,370  
Cost of sales 1,387,507 1,285,080 2,739,068 2,534,536  
Gross margin 1,412,485 1,276,703 2,779,046 2,528,834  
Selling and administrative expenses 756,771 685,313 1,505,473 1,376,413  
Operating income 655,714 591,390 1,273,573 1,152,421  
Depreciation and amortization     253,438 242,202  
Capital expenditures     208,209 194,337  
Total assets 10,132,881 9,366,529 10,132,881 9,366,529 $ 9,825,241
Uniform Rental and Facility Services          
Segment Reporting Information          
Revenue 2,155,400 1,990,410 4,246,466 3,924,249  
First Aid and Safety Services          
Segment Reporting Information          
Revenue 342,240 299,367 676,897 591,934  
Operating Segments | Uniform Rental and Facility Services          
Segment Reporting Information          
Revenue 2,155,400 1,990,410 4,246,466 3,924,249  
Cost of sales 1,081,218 1,014,052 2,133,771 1,995,215  
Gross margin 1,074,182 976,358 2,112,695 1,929,034  
Selling and administrative expenses 548,451 503,999 1,087,027 1,010,237  
Operating income 525,731 472,359 1,025,668 918,797  
Depreciation and amortization     202,161 187,244  
Capital expenditures     143,283 141,243  
Total assets 8,190,558 7,811,418 8,190,558 7,811,418  
Operating Segments | First Aid and Safety Services          
Segment Reporting Information          
Revenue 342,240 299,367 676,897 591,934  
Cost of sales 144,638 127,882 289,127 251,646  
Gross margin 197,602 171,485 387,770 340,288  
Selling and administrative expenses 110,598 96,262 220,439 193,777  
Operating income 87,004 75,223 167,331 146,511  
Depreciation and amortization     38,373 44,134  
Capital expenditures     33,710 25,258  
Total assets 855,543 777,847 855,543 777,847  
Operating Segments | All Other          
Segment Reporting Information          
Revenue 302,352 272,006 594,751 547,187  
Cost of sales 161,651 143,146 316,170 287,675  
Gross margin 140,701 128,860 278,581 259,512  
Selling and administrative expenses 97,722 85,052 198,007 172,399  
Operating income 42,979 43,808 80,574 87,113  
Depreciation and amortization     12,904 10,824  
Capital expenditures     31,216 27,836  
Total assets 885,938 654,869 885,938 654,869  
Corporate          
Segment Reporting Information          
Revenue 0 0 0 0  
Cost of sales 0 0 0 0  
Gross margin 0 0 0 0  
Selling and administrative expenses 0 0 0 0  
Operating income 0 0 0 0  
Depreciation and amortization     0 0  
Capital expenditures     0 0  
Total assets $ 200,842 $ 122,395 $ 200,842 $ 122,395