LONG-TERM DEBT (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Borrowings [Abstract]
Less: current portion	$ (2,500)	$ (2,500)
Long-term debt less current maturities	235,263	235,419
Unamortized debt issuance costs	6,000	6,500
Carrying Value
Borrowings [Abstract]
Total long-term debt	243,750	244,375
Less: current portion	(2,500)	(2,500)
Long-term debt less current maturities	241,250	241,875
Fair Value \| Level 2 Inputs
Borrowings [Abstract]
Total long-term debt	209,625	244,375
Less: current portion	(2,150)	(2,500)
Long-term debt less current maturities	207,475	241,875
ABL Revolver \| Carrying Value
Borrowings [Abstract]
Total long-term debt	0	0
ABL Revolver \| Fair Value \| Level 2 Inputs
Borrowings [Abstract]
Total long-term debt	0	0
Term Loan B \| Carrying Value
Borrowings [Abstract]
Total long-term debt	243,750	244,375
Term Loan B \| Fair Value \| Level 2 Inputs
Borrowings [Abstract]
Total long-term debt	$ 209,625	$ 244,375

Amount, after accumulated amortization, of debt discount (premium).

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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