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Goodwill, Service Contracts and Other Assets (Details 2) (USD $) In Thousands, unless otherwise specified | 9 Months Ended
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Feb. 28, 2013
Service contracts [Roll Forward] |
Balance at the beginning of the period | $ 76,822
Service contracts acquired | 32,223
Service contracts amortization | (15,492)
Foreign currency translation | 20
Balance at the end of the period | 93,573
Rental Uniforms and Ancillary Products [Member] |
Service contracts [Roll Forward] |
Balance at the beginning of the period | 29,156
Service contracts acquired | 0
Service contracts amortization | (4,540)
Foreign currency translation | 18
Balance at the end of the period | 24,634
Uniform Direct Sales [Member] |
Service contracts [Roll Forward] |
Balance at the beginning of the period | 0
Service contracts acquired | 0
Service contracts amortization | 0
Foreign currency translation | 0
Balance at the end of the period | 0
First Aid, Safety and Fire Protection [Member] |
Service contracts [Roll Forward] |
Balance at the beginning of the period | 29,334
Service contracts acquired | 10,199
Service contracts amortization | (5,880)
Foreign currency translation | 0
Balance at the end of the period | 33,653
Document Management [Member] |
Service contracts [Roll Forward] |
Balance at the beginning of the period | 18,332
Service contracts acquired | 22,024
Service contracts amortization | (5,072)
Foreign currency translation | 2
Balance at the end of the period | $ 35,286

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