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LEASES (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Operating rental expense      
Equipment and office space leases $ 9,273 $ 9,060 $ 8,325
Sublease rental income (317) (357) (251)
Equipment and office space leases, net 8,956 8,703 8,074
Future minimum rental payments      
2013 8,873    
2014 6,491    
2015 4,410    
2016 3,629    
2017 2,121    
Thereafter 341    
Total minimum payments $ 25,865