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Goodwill, Service Contracts and Other Assets (Details 2) (Service Contracts, USD $) In Thousands, unless otherwise specified | 6 Months Ended
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Nov. 30, 2011
Service contracts |
Balance at the beginning of the period | $ 102,312
Service contracts acquired | 1,024
Service contracts amortization | (14,732)
Foreign currency translation | (1,943)
Balance at the end of the period | 86,661
Rental Uniforms and Ancillary Products |
Service contracts |
Balance at the beginning of the period | 44,628
Service contracts amortization | (7,218)
Foreign currency translation | (1,381)
Balance at the end of the period | 36,029
First Aid, Safety and Fire Protection |
Service contracts |
Balance at the beginning of the period | 35,878
Service contracts acquired | 164
Service contracts amortization | (3,684)
Balance at the end of the period | 32,358
Document Management |
Service contracts |
Balance at the beginning of the period | 21,806
Service contracts acquired | 860
Service contracts amortization | (3,830)
Foreign currency translation | (562)
Balance at the end of the period | $ 18,274

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