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Basis of Presentation (Policies) | 3 Months Ended
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Aug. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
New Accounting Pronouncements | New Accounting Pronouncements Effective June 1, 2020, the Company adopted Financial Accounting Standards Board (FASB) Accounting Standards Update (ASU) 2016-13, “Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments.” ASU 2016-13 replaces the incurred loss impairment methodology with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information to inform credit loss estimates. In connection with recognizing credit losses on accounts receivable and other financial instruments, Cintas now uses a forward-looking expected loss model rather than the incurred loss model. Adoption of ASU 2016-13 requires using a modified retrospective approach through a cumulative-effect adjustment to retained earnings as of the effective date to align existing credit loss methodology with the new standard. The adoption of ASU 2016-13 did not have a material impact on the Company's consolidated condensed financial statements. No other new accounting pronouncement recently issued or newly effective had or is expected to have a material impact on Cintas' consolidated condensed financial statements.

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