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Goodwill and Other Identifiable Intangible Assets (Narrative) (Details) (USD $)
 12 Months Ended 12 Months Ended 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Customer Lists [Member]
Jun. 30, 2012
Non-compete Agreements [Member]
Jun. 30, 2011
Non-compete Agreements [Member]
Jun. 30, 2011
Trade Names [Member]
Jun. 30, 2012
Multi-Currency Revolving Credit Facility [Member]
Jun. 30, 2012
BRAZIL
Jun. 30, 2012
CDC Brasil S A [Member]
Apr. 15, 2011
CDC Brasil S A [Member]
Jun. 30, 2012
CDC Brasil S A [Member]
Customer Relationships [Member]
Jun. 30, 2011
CDC Brasil S A [Member]
Customer Relationships [Member]
Jun. 30, 2012
CDC Brasil S A [Member]
Non-compete Agreements [Member]
Jun. 30, 2012
CDC Brasil S A [Member]
Trade Names [Member]
Apr. 15, 2011
CDC Brasil S A [Member]
Purchase Price Allocation Adjustments [Member]
Apr. 15, 2011
CDC Brasil S A [Member]
Purchase Price Allocation Adjustments [Member]
Customer Relationships [Member]
Goodwill impairment charges $ 0 $ 0 $ 0                            
Goodwill 53,885,000 59,090,000 33,785,000           19,800,000                
Goodwill, fair value exceeds carrying value, percent                 7.00%                
Deferred finance costs, noncurrent, gross               1,400,000                  
Identified intangible assets useful life                   5 years   6 years 7 years 5 years 2 years    
Intangible assets                   22,605,000 22,605,000 18,965,000   894,000 2,746,000 4,278,000 4,300,000
Gross carrying amount and accumulated amortization written off       300,000 900,000 1,800,000 1,000,000                    
Weighted average amortization period 10 years 10 years 12 years                            
Amortization expense $ 6,400,000 $ 3,000,000 $ 2,000,000