SALE OF RECEIVABLES - Narrative (Details)	9 Months Ended		12 Months Ended
	Dec. 31, 2018 USD ($) program	Dec. 31, 2017 USD ($)	Mar. 31, 2018 USD ($)
Derecognized Assets, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Number of accounts receivable securitization programs | program	2
Receivables sold, face value discounted (as a percent)	100.00%
Reductions of trade and other receivables due to settlements	$ 78,000	$ (7,953,000)	$ (10,858,000)
Accounts Receivable Securitization, Program One
Derecognized Assets, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Trade receivables, maximum amount	155,000,000
Accounts Receivable Securitization, Program Two
Derecognized Assets, Securitized or Asset-backed Financing Arrangement Assets and any Other Financial Assets Managed Together [Line Items]
Trade receivables, maximum amount	$ 125,000,000