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Commitments and Contingencies (Details) (USD $)
12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
Operating Leases      
Rent expense $ 6,700,000 $ 6,300,000 $ 6,700,000
Standby letters of credit 500,000    
Gross Payments      
2014 6,857,000    
2015 5,038,000    
2016 2,686,000    
2017 461,000    
Total 15,042,000    
Scheduled Sublease Payments      
2014 163,000    
2015 163,000    
2016 163,000    
2017 14,000    
Total 503,000    
Net Payments      
2014 6,694,000    
2015 4,875,000    
2016 2,523,000    
2017 447,000    
Total $ 14,539,000