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Goodwill, Service Contracts and Other Assets - Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
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May 31, 2020 | May 31, 2019
Goodwill [Roll Forward] |  |
Balance at the beginning of the period | $ 2,842,441 | $ 2,846,888
Goodwill acquired | 32,382 | 6,637
Foreign currency translation | (4,803) | (11,084)
Balance at the end of the period | 2,870,020 | 2,842,441
Uniform Rental and Facility Services |  |
Goodwill [Roll Forward] |  |
Balance at the beginning of the period | 2,496,402 | 2,505,476
Goodwill acquired | 21,081 | 1,153
Foreign currency translation | (4,442) | (10,227)
Balance at the end of the period | 2,513,041 | 2,496,402
First Aid and Safety Services |  |
Goodwill [Roll Forward] |  |
Balance at the beginning of the period | 243,459 | 244,279
Goodwill acquired | 164 | 0
Foreign currency translation | (357) | (820)
Balance at the end of the period | 243,266 | 243,459
All Other |  |
Goodwill [Roll Forward] |  |
Balance at the beginning of the period | 102,580 | 97,133
Goodwill acquired | 11,137 | 5,484
Foreign currency translation | (4) | (37)
Balance at the end of the period | $ 113,713 | $ 102,580

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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