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v2.4.1.9

Segment Information (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Nov. 30, 2014 segment | Aug. 31, 2014 segment | Nov. 30, 2013 | Nov. 30, 2014 | Nov. 30, 2013 | May 31, 2014
Disclosures related to operating segments |  |  |  |  |  |  |  |  |  |
Number of Reportable Segments | 3 us-gaap_NumberOfOperatingSegments |  | 4 us-gaap_NumberOfOperatingSegments |  |  |  |  |  |  |
Revenue | $ 1,123,379 us-gaap_Revenues |  |  | $ 1,123,931 us-gaap_Revenues |  | $ 2,225,456 us-gaap_Revenues |  | $ 2,224,177 us-gaap_Revenues |  |
Income (loss) before income taxes | 165,265 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments |  |  | 135,810 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments |  | 340,581 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments |  | 258,967 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments |  |
Total assets | 4,697,571 us-gaap_Assets |  |  | 4,365,398 us-gaap_Assets |  | 4,697,571 us-gaap_Assets |  | 4,365,398 us-gaap_Assets |  | 4,462,452 us-gaap_Assets
Rental Uniforms and Ancillary Products |  |  |  |  |  |  |  |  |  |
Disclosures related to operating segments |  |  |  |  |  |  |  |  |  |
Revenue | 865,428 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ctas_RentalUniformsAndAncillaryProductsMember |  |  | 804,316 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ctas_RentalUniformsAndAncillaryProductsMember |  | 1,722,300 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ctas_RentalUniformsAndAncillaryProductsMember |  | 1,597,182 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ctas_RentalUniformsAndAncillaryProductsMember |  |
Income (loss) before income taxes | 156,480 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ctas_RentalUniformsAndAncillaryProductsMember |  |  | 126,070 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ctas_RentalUniformsAndAncillaryProductsMember |  | 299,161 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ctas_RentalUniformsAndAncillaryProductsMember |  | 243,463 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ctas_RentalUniformsAndAncillaryProductsMember |  |
Total assets | 2,939,994 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = ctas_RentalUniformsAndAncillaryProductsMember |  |  | 2,838,831 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = ctas_RentalUniformsAndAncillaryProductsMember |  | 2,939,994 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = ctas_RentalUniformsAndAncillaryProductsMember |  | 2,838,831 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = ctas_RentalUniformsAndAncillaryProductsMember |  |
Uniform Direct Sales |  |  |  |  |  |  |  |  |  |
Disclosures related to operating segments |  |  |  |  |  |  |  |  |  |
Revenue | 117,521 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ctas_UniformDirectSalesMember |  |  | 121,883 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ctas_UniformDirectSalesMember |  | 222,666 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ctas_UniformDirectSalesMember |  | 229,345 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ctas_UniformDirectSalesMember |  |
Income (loss) before income taxes | 10,370 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ctas_UniformDirectSalesMember |  |  | 13,864 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ctas_UniformDirectSalesMember |  | 19,557 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ctas_UniformDirectSalesMember |  | 22,545 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ctas_UniformDirectSalesMember |  |
Total assets | 138,306 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = ctas_UniformDirectSalesMember |  |  | 159,465 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = ctas_UniformDirectSalesMember |  | 138,306 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = ctas_UniformDirectSalesMember |  | 159,465 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = ctas_UniformDirectSalesMember |  |
First Aid, Safety and Fire Protection |  |  |  |  |  |  |  |  |  |
Disclosures related to operating segments |  |  |  |  |  |  |  |  |  |
Revenue | 140,430 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ctas_FirstAidSafetyAndFireProtectionMember |  |  | 124,585 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ctas_FirstAidSafetyAndFireProtectionMember |  | 280,490 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ctas_FirstAidSafetyAndFireProtectionMember |  | 250,460 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = ctas_FirstAidSafetyAndFireProtectionMember |  |
Income (loss) before income taxes | 14,733 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ctas_FirstAidSafetyAndFireProtectionMember |  |  | 10,585 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ctas_FirstAidSafetyAndFireProtectionMember |  | 26,353 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ctas_FirstAidSafetyAndFireProtectionMember |  | 22,031 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = ctas_FirstAidSafetyAndFireProtectionMember |  |
Total assets | 429,800 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = ctas_FirstAidSafetyAndFireProtectionMember |  |  | 418,787 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = ctas_FirstAidSafetyAndFireProtectionMember |  | 429,800 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = ctas_FirstAidSafetyAndFireProtectionMember |  | 418,787 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = ctas_FirstAidSafetyAndFireProtectionMember |  |
Corporate |  |  |  |  |  |  |  |  |  |
Disclosures related to operating segments |  |  |  |  |  |  |  |  |  |
Revenue | 0 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember | [1] |  | 73,147 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember | [1] | 0 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember | [1] | 147,190 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember | [1] |
Income (loss) before income taxes | (16,318)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember | [1] |  | (14,709)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember | [1] | (4,490)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember | [1] | (29,072)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember | [1] |
Total assets | 1,189,471 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember | [1] |  | 948,315 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember | [1] | 1,189,471 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember | [1] | 948,315 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember | [1] |
Cintas Document Shredding |  |  |  |  |  |  |  |  |  |
Disclosures related to operating segments |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  | 73,100 us-gaap_Revenues / us-gaap_SubsegmentsAxis = ctas_CintasDocumentShreddingMember |  |  |  | 147,200 us-gaap_Revenues / us-gaap_SubsegmentsAxis = ctas_CintasDocumentShreddingMember |  |
Income (loss) before income taxes |  |  |  | 1,700 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_SubsegmentsAxis = ctas_CintasDocumentShreddingMember |  |  |  | 3,800 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_SubsegmentsAxis = ctas_CintasDocumentShreddingMember |  |
Total assets |  |  |  | $ 480,800 us-gaap_Assets / us-gaap_SubsegmentsAxis = ctas_CintasDocumentShreddingMember |  |  |  | $ 480,800 us-gaap_Assets / us-gaap_SubsegmentsAxis = ctas_CintasDocumentShreddingMember |  |
[1] | Corporate assets as of November 30, 2014 include the investment in the Shred-it partnership. Corporate assets also include the real estate assets of the document storage and imaging business that were not included in the sale transactions. Corporate assets as of November 30, 2013 include the assets of the document storage and imaging business. Corporate results for the three months ended November 30, 2013 include the revenue ($73.1 million) and income before income taxes ($1.7 million) of the document shredding business. Corporate results and assets as of and for the six months ended November 30, 2013 include the revenue ($147.2 million), income before income taxes ($3.8 million) and assets ($480.8 million) of the document shredding business.

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