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Short-Term and Long-term Debt (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Jun. 30, 2012
Debt Instrument [Line Items]    
Total $ 38,105 $ 32,815
Current portion (8,652) (13,398)
Long-term portion 29,453 19,417
Line of Credit [Member]
   
Debt Instrument [Line Items]    
Lines of credit 11,299 20,624
Building Loans [Member]
   
Debt Instrument [Line Items]    
Building term loans 26,757 12,133
Capital Lease Obligations [Member]
   
Debt Instrument [Line Items]    
Capital leases $ 49 $ 58