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Goodwill, Service Contracts and Other Assets (Details 2) (Service Contracts, USD $) In Thousands, unless otherwise specified | 9 Months Ended
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Feb. 29, 2012
Service contracts |
Balance at the beginning of the period | $ 102,312
Service contracts acquired | 3,757
Service contracts amortization | (23,526)
Foreign currency translation | (877)
Balance at the end of the period | 81,666
Rental Uniforms and Ancillary Products |
Service contracts |
Balance at the beginning of the period | 44,628
Service contracts acquired | 1,346
Service contracts amortization | (12,287)
Foreign currency translation | (513)
Balance at the end of the period | 33,174
First Aid, Safety and Fire Protection |
Service contracts |
Balance at the beginning of the period | 35,878
Service contracts acquired | 838
Service contracts amortization | (5,522)
Balance at the end of the period | 31,194
Document Management |
Service contracts |
Balance at the beginning of the period | 21,806
Service contracts acquired | 1,573
Service contracts amortization | (5,717)
Foreign currency translation | (364)
Balance at the end of the period | $ 17,298

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