Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000723254-21-000021-index-headers.html | 2021-07-28 13:24:07 | |
| 0000723254-21-000021-index.html | 2021-07-28 13:24:07 | |
| 0000723254-21-000021.txt | 2021-07-28 13:24:07 | |
 0000723254-21-000021-xbrl.zip | 1397058 | 2021-07-28 13:24:07 |
| a21-subsidiaries2021.htm | 25377 | 2021-07-28 13:24:07 |
| a22-subsidiaryguarantorsfy.htm | 22751 | 2021-07-28 13:24:07 |
| a23-consentofey2021.htm | 5779 | 2021-07-28 13:24:07 |
| ctas-20210531.htm | 2730286 | 2021-07-28 13:24:07 |
| ctas-20210531.xsd | 64150 | 2021-07-28 13:24:07 |
| ctas-20210531_cal.xml | 123964 | 2021-07-28 13:24:07 |
| ctas-20210531_def.xml | 353043 | 2021-07-28 13:24:07 |
 ctas-20210531_g1.jpg | 1501255 | 2021-07-28 13:24:07 |
 ctas-20210531_g2.jpg | 35938 | 2021-07-28 13:24:07 |
| ctas-20210531_htm.xml | 2641728 | 2021-07-28 13:24:07 |
| ctas-20210531_lab.xml | 938682 | 2021-07-28 13:24:07 |
| ctas-20210531_pre.xml | 626879 | 2021-07-28 13:24:07 |
| ctas10k2021ex311.htm | 8723 | 2021-07-28 13:24:07 |
| ctas10k2021ex312.htm | 8783 | 2021-07-28 13:24:07 |
| ctas10k2021ex321.htm | 4716 | 2021-07-28 13:24:07 |
| ctas10k2021ex322.htm | 4675 | 2021-07-28 13:24:07 |
| FilingSummary.xml | 50794 | 2021-07-28 13:24:07 |
| Financial_Report.xlsx | 138765 | 2021-07-28 13:24:07 |
| MetaLinks.json | 960132 | 2021-07-28 13:24:07 |
| R1.htm | 65189 | 2021-07-28 13:24:07 |
| R10.htm | 73878 | 2021-07-28 13:24:07 |
| R11.htm | 35339 | 2021-07-28 13:24:07 |
| R12.htm | 47882 | 2021-07-28 13:24:07 |
| R13.htm | 16792 | 2021-07-28 13:24:07 |
| R14.htm | 5728 | 2021-07-28 13:24:07 |
| R15.htm | 77438 | 2021-07-28 13:24:07 |
| R16.htm | 54366 | 2021-07-28 13:24:07 |
| R17.htm | 22920 | 2021-07-28 13:24:07 |
| R18.htm | 90215 | 2021-07-28 13:24:07 |
| R19.htm | 101571 | 2021-07-28 13:24:07 |
| R2.htm | 102375 | 2021-07-28 13:24:07 |
| R20.htm | 69058 | 2021-07-28 13:24:07 |
| R21.htm | 69289 | 2021-07-28 13:24:07 |
| R22.htm | 41052 | 2021-07-28 13:24:07 |
| R23.htm | 104692 | 2021-07-28 13:24:07 |
| R24.htm | 20165 | 2021-07-28 13:24:07 |
| R25.htm | 104322 | 2021-07-28 13:24:07 |
| R26.htm | 37467 | 2021-07-28 13:24:07 |
| R27.htm | 25054 | 2021-07-28 13:24:07 |
| R28.htm | 43684 | 2021-07-28 13:24:07 |
| R29.htm | 18421 | 2021-07-28 13:24:07 |
| R3.htm | 7270 | 2021-07-28 13:24:07 |
| R30.htm | 81578 | 2021-07-28 13:24:07 |
| R31.htm | 50014 | 2021-07-28 13:24:07 |
| R32.htm | 22566 | 2021-07-28 13:24:07 |
| R33.htm | 94048 | 2021-07-28 13:24:07 |
| R34.htm | 93433 | 2021-07-28 13:24:07 |
| R35.htm | 66955 | 2021-07-28 13:24:07 |
| R36.htm | 71041 | 2021-07-28 13:24:07 |
| R37.htm | 41880 | 2021-07-28 13:24:07 |
| R38.htm | 99684 | 2021-07-28 13:24:07 |
| R39.htm | 52208 | 2021-07-28 13:24:07 |
| R4.htm | 32583 | 2021-07-28 13:24:07 |
| R40.htm | 12118 | 2021-07-28 13:24:07 |
| R41.htm | 17055 | 2021-07-28 13:24:07 |
| R42.htm | 16917 | 2021-07-28 13:24:07 |
| R43.htm | 27710 | 2021-07-28 13:24:07 |
| R44.htm | 23198 | 2021-07-28 13:24:07 |
| R45.htm | 31245 | 2021-07-28 13:24:07 |
| R46.htm | 29288 | 2021-07-28 13:24:07 |
| R47.htm | 18078 | 2021-07-28 13:24:07 |
| R48.htm | 18985 | 2021-07-28 13:24:07 |
| R49.htm | 23076 | 2021-07-28 13:24:07 |
| R5.htm | 13693 | 2021-07-28 13:24:07 |
| R50.htm | 27469 | 2021-07-28 13:24:07 |
| R51.htm | 16191 | 2021-07-28 13:24:07 |
| R52.htm | 17416 | 2021-07-28 13:24:07 |
| R53.htm | 48529 | 2021-07-28 13:24:07 |
| R54.htm | 84986 | 2021-07-28 13:24:07 |
| R55.htm | 20583 | 2021-07-28 13:24:07 |
| R56.htm | 4895 | 2021-07-28 13:24:07 |
| R57.htm | 12045 | 2021-07-28 13:24:07 |
| R58.htm | 20501 | 2021-07-28 13:24:07 |
| R59.htm | 12795 | 2021-07-28 13:24:07 |
| R6.htm | 117851 | 2021-07-28 13:24:07 |
| R60.htm | 20691 | 2021-07-28 13:24:07 |
| R61.htm | 25712 | 2021-07-28 13:24:07 |
| R62.htm | 43610 | 2021-07-28 13:24:07 |
| R63.htm | 6644 | 2021-07-28 13:24:07 |
| R64.htm | 13755 | 2021-07-28 13:24:07 |
| R65.htm | 8811 | 2021-07-28 13:24:07 |
| R66.htm | 47850 | 2021-07-28 13:24:07 |
| R67.htm | 30176 | 2021-07-28 13:24:07 |
| R68.htm | 14940 | 2021-07-28 13:24:07 |
| R69.htm | 11081 | 2021-07-28 13:24:07 |
| R7.htm | 17800 | 2021-07-28 13:24:07 |
| R70.htm | 22208 | 2021-07-28 13:24:07 |
| R71.htm | 45548 | 2021-07-28 13:24:07 |
| R72.htm | 19687 | 2021-07-28 13:24:07 |
| R73.htm | 25691 | 2021-07-28 13:24:07 |
| R74.htm | 20991 | 2021-07-28 13:24:07 |
| R75.htm | 46243 | 2021-07-28 13:24:07 |
| R76.htm | 53577 | 2021-07-28 13:24:07 |
| R77.htm | 13619 | 2021-07-28 13:24:07 |
| R78.htm | 30670 | 2021-07-28 13:24:07 |
| R79.htm | 37388 | 2021-07-28 13:24:07 |
| R8.htm | 69977 | 2021-07-28 13:24:07 |
| R80.htm | 25977 | 2021-07-28 13:24:07 |
| R81.htm | 39056 | 2021-07-28 13:24:07 |
| R82.htm | 20743 | 2021-07-28 13:24:07 |
| R83.htm | 66678 | 2021-07-28 13:24:07 |
| R84.htm | 13392 | 2021-07-28 13:24:07 |
| R9.htm | 97187 | 2021-07-28 13:24:07 |
| report.css | 2768 | 2021-07-28 13:24:07 |
| Show.js | 1086 | 2021-07-28 13:24:07 |