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DEBT AND OTHER FINANCING ARRANGEMENTS - Schedule of Long-term Debt (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Jun. 30, 2018
Sep. 30, 2017
Debt Instrument [Line Items]      
Revolving Credit Facility $ 10,000 $ 10,000  
Other 2,355 2,689  
Less: unamortized issuance costs (242) (256)  
Total 34,821 35,766  
Less: debt and other financing arrangements, current (33,889) (34,639) $ (2,628)
Debt and other financing arrangements, noncurrent 932 1,127 $ 1,049
Term Loan      
Debt Instrument [Line Items]      
Term Loan $ 22,708 $ 23,333