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LINE-OF-CREDIT BORROWINGS AND DEBT (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Sep. 30, 2012
Borrowings      
Amount outstanding   $ 24,000  
Term loans $ 8,935 10,921  
Other long-term debt 2,422 2,334  
Long-term debt 11,357 13,255  
Less current portion of long-term debt 2,801 2,819  
Long-term portion of debt 8,556 10,436  
Fiscal year principal payments of long-term debt      
2016 2,801    
2017 2,707    
2018 2,249    
2019 1,877    
2020 746    
Thereafter 977    
Long-term debt 11,357 $ 13,255  
Debt restructuring      
Borrowings      
Maximum borrowing capacity 450,000    
Sub-limit available for letters of credit 375,000    
Increase in the credit agreement's borrowing capacity available under certain circumstances $ 200,000    
Unused commitment fee (as a percent) 0.20%    
Amount outstanding $ 0    
Amount outstanding under lines-of-credit $ 6,000    
Debt restructuring | Minimum      
Borrowings      
Unused commitment fee (as a percent) 0.20%    
Debt restructuring | Maximum      
Borrowings      
Unused commitment fee (as a percent) 0.35%    
Debt restructuring | LIBOR      
Borrowings      
Variable basis rate LIBOR    
Interest rate margin (as a percent) 1.25%    
Debt restructuring | LIBOR | Minimum      
Borrowings      
Interest rate margin (as a percent) 1.25%    
Debt restructuring | LIBOR | Maximum      
Borrowings      
Interest rate margin (as a percent) 2.00%    
Bank lines-of-credit      
Borrowings      
Amount outstanding $ 0    
Amount outstanding under lines-of-credit 46,300    
Available credit facility 12,900    
Total cash borrowing sub-limit $ 1,600    
Seven-year term loan due in fiscal 2020      
Borrowings      
Principal amount     $ 11,100
Term of loan 7 years    
Effective interest rate (as a percent) 2.20%    
Long-term debt $ 6,900    
Fiscal year principal payments of long-term debt      
Long-term debt $ 6,900    
Seven-year term loan due in fiscal 2020 | LIBOR      
Borrowings      
Variable basis rate LIBOR    
Interest rate margin (as a percent) 1.25%