Goodwill, Service Contracts and Other Assets - Goodwill (Details) $ in Thousands	3 Months Ended
Aug. 31, 2021 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 2,913,069
Goodwill acquired	24,553
Foreign currency translation	(12,629)
Ending balance	2,924,993
Uniform rental and facility services
Goodwill [Roll Forward]
Beginning balance	2,547,510
Goodwill acquired	24,512
Foreign currency translation	(11,565)
Ending balance	2,560,457
First Aid and Safety Services
Goodwill [Roll Forward]
Beginning balance	248,571
Goodwill acquired	0
Foreign currency translation	(1,024)
Ending balance	247,547
All Other
Goodwill [Roll Forward]
Beginning balance	116,988
Goodwill acquired	41
Foreign currency translation	(40)
Ending balance	$ 116,989

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
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-Section 55
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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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