XML 57 R45.htm IDEA: XBRL DOCUMENT
v3.20.2

Goodwill, Service Contracts and Other Assets - Estimated Future Amortization Expense (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Aug. 31, 2020 | Aug. 31, 2019
Goodwill, Service Contracts and Other Assets [Abstract] |  |
Amortization expense for service contracts and other assets | $ 35,100 | $ 34,600
2021 (remaining nine months) | 102,745 |
2022 | 126,441 |
2023 | 107,211 |
2024 | 95,316 |
2025 | 82,492 |
Thereafter | 240,600 |
Total future amortization expense | $ 754,805 |

X
- Definition Finite-Lived Intangible Assets, Net, And Other Assets + References No definition available. + Details
Name: | ctas_FiniteLivedIntangibleAssetsNetAndOtherAssets
Namespace Prefix: | ctas_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Finite-Lived Intangible Assets, Net, And Other Assets, Amortization Expense, After Year Four + References No definition available. + Details
Name: | ctas_FiniteLivedIntangibleAssetsNetAndOtherAssetsAmortizationExpenseAfterYearFour
Namespace Prefix: | ctas_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Finite-Lived Intangible Assets, Net, And Other Assets, Amortization Expense, Remainder Of Fiscal Year + References No definition available. + Details
Name: | ctas_FiniteLivedIntangibleAssetsNetAndOtherAssetsAmortizationExpenseRemainderOfFiscalYear
Namespace Prefix: | ctas_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Finite-Lived Intangible Assets, Net, And Other Assets, Amortization Expense, Year Four + References No definition available. + Details
Name: | ctas_FiniteLivedIntangibleAssetsNetAndOtherAssetsAmortizationExpenseYearFour
Namespace Prefix: | ctas_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Finite-Lived Intangible Assets, Net, And Other Assets, Amortization Expense, Year One + References No definition available. + Details
Name: | ctas_FiniteLivedIntangibleAssetsNetAndOtherAssetsAmortizationExpenseYearOne
Namespace Prefix: | ctas_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Finite-Lived Intangible Assets, Net, And Other Assets, Amortization Expense, Year Three + References No definition available. + Details
Name: | ctas_FiniteLivedIntangibleAssetsNetAndOtherAssetsAmortizationExpenseYearThree
Namespace Prefix: | ctas_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Finite-Lived Intangible Assets, Net, And Other Assets, Amortization Expense, Year Two + References No definition available. + Details
Name: | ctas_FiniteLivedIntangibleAssetsNetAndOtherAssetsAmortizationExpenseYearTwo
Namespace Prefix: | ctas_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
Name: | ctas_GoodwillServiceContractsAndOtherAssetsAbstract
Namespace Prefix: | ctas_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
Name: | us-gaap_AmortizationOfIntangibleAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration