XML 60 R49.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Accumulated Other Comprehensive Income (Loss) - Schedule of Reclassifications Out of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Feb. 28, 2017 | Nov. 30, 2016 | Aug. 31, 2016 | Feb. 29, 2016 | Nov. 30, 2015 | Aug. 31, 2015 | Feb. 28, 2017 | Feb. 29, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Amortization of interest rate locks | $ (615) |  |  | $ (783) |  |  | $ (1,845) | $ (2,348)
Tax benefit | 230 |  |  | 295 |  |  | 690 | 884
Amortization of interest rate locks, net of tax | (385) |  |  | (488) |  |  | (1,155) | (1,464)
Total amount reclassified out of accumulated other comprehensive income | (385) | $ (385) | $ (385) | (488) | $ (6,960) | $ (488) |  |
Accumulated Translation Adjustment on Investment Attributable to Parent |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |  |  |
Tax benefit | 0 |  |  | 0 |  |  | 0 | 3,909
Cumulative translation adjustment on Shred-it | 0 |  |  | 0 |  |  | 0 | (10,381)
Total amount reclassified out of accumulated other comprehensive income | $ 0 |  |  | $ 0 |  |  | $ 0 | $ (6,472)

X
- Definition Other Comprehensive Income (Loss), Amortization of Interest Rate Lock Agreements, Net of Tax + References No definition available. + Details
Name: | ctas_OtherComprehensiveIncomeLossAmortizationofInterestRateLockAgreementsNetofTax
Namespace Prefix: | ctas_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Other Comprehensive Income (Loss), Amortization of Interest Rate Lock Agreements, before Tax + References No definition available. + Details
Name: | ctas_OtherComprehensiveIncomeLossAmortizationofInterestRateLockAgreementsbeforeTax
Namespace Prefix: | ctas_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before tax of reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
Name: | us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount after tax of reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=66004921&loc=d3e1436-108581 + Details
Name: | us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 20 -Section 45 -Paragraph 11 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=65896914&loc=d3e39076-109324 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e640-108580 + Details
Name: | us-gaap_ReclassificationFromAociCurrentPeriodTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=ctas_AccumulatedTranslationAdjustmentonInvestmentAttributabletoParentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |