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Goodwill, Service Contracts and Other Assets - Changes in Carrying Amount of Service Contracts by Operating Segment (Details) $ in Thousands | 3 Months Ended
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Aug. 31, 2018 USD ($)
Service contracts [Roll Forward] |
Beginning balance | $ 545,768
Service contracts acquired | 4,633
Service contracts amortization | (14,026)
Foreign currency translation | (510)
Ending balance | 535,865
Uniform Rental and Facility Services |
Service contracts [Roll Forward] |
Beginning balance | 492,067
Service contracts acquired | 0
Service contracts amortization | (11,729)
Foreign currency translation | (497)
Ending balance | 479,841
First Aid and Safety Services |
Service contracts [Roll Forward] |
Beginning balance | 27,294
Service contracts acquired | 13
Service contracts amortization | (963)
Foreign currency translation | (13)
Ending balance | 26,331
All Other |
Service contracts [Roll Forward] |
Beginning balance | 26,407
Service contracts acquired | 4,620
Service contracts amortization | (1,334)
Foreign currency translation | 0
Ending balance | $ 29,693

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