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Segment Information (Assets By Segment) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Jun. 30, 2011
Segment Reporting Information [Line Items]    
Assets $ 1,270,954 $ 1,182,188
North American Distribution [Member]
   
Segment Reporting Information [Line Items]    
Assets 1,045,536 958,825
International Distribution [Member]
   
Segment Reporting Information [Line Items]    
Assets $ 225,418 $ 223,363