XML 74 R54.htm IDEA: XBRL DOCUMENT
v3.24.2

Goodwill, Service Contracts and Other Assets - Schedule of Service Contracts (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
May 31, 2024 | May 31, 2023
Service contracts [Roll Forward] |  |
Balance at the end of the period | $ 690,298 |
Service contracts |  |
Service contracts [Roll Forward] |  |
Balance at the beginning of the period | 346,574 | $ 391,638
Service contracts acquired | 29,416 | 10,998
Service contracts amortization | (54,068) | (52,735)
Foreign currency translation | (20) | (3,327)
Balance at the end of the period | 321,902 | 346,574
Uniform rental and facility services | Service contracts |  |
Service contracts [Roll Forward] |  |
Balance at the beginning of the period | 310,030 | 349,634
Service contracts acquired | 25,430 | 6,942
Service contracts amortization | (44,932) | (43,356)
Foreign currency translation | (30) | (3,190)
Balance at the end of the period | 290,498 | 310,030
First Aid and Safety Services | Service contracts |  |
Service contracts [Roll Forward] |  |
Balance at the beginning of the period | 21,157 | 24,144
Service contracts acquired | 290 | 2,299
Service contracts amortization | (5,254) | (5,149)
Foreign currency translation | 10 | (137)
Balance at the end of the period | 16,203 | 21,157
All Other | Service contracts |  |
Service contracts [Roll Forward] |  |
Balance at the beginning of the period | 15,387 | 17,860
Service contracts acquired | 3,696 | 1,757
Service contracts amortization | (3,882) | (4,230)
Foreign currency translation | 0 | 0
Balance at the end of the period | $ 15,201 | $ 15,387

X
- Definition Amount of reduction of finite-lived intangible assets due to amortization during the period. + References No definition available. + Details
Name: | ctas_FiniteLivedIntangibleAssetsAmortization
Namespace Prefix: | ctas_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | ctas_FiniteLivedIntangibleAssetsNetRollForward
Namespace Prefix: | ctas_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483154/926-20-50-5 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-1 + Details
Name: | us-gaap_FinitelivedIntangibleAssetsAcquired1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_ServiceAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ctas_UniformRentalAndFacilityServicesSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ctas_FirstAidAndSafetyServicesSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_AllOtherSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |