RECENT ACCOUNTING PRONOUNCEMENTS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Mar. 31, 2018
Revenue, Initial Application Period Cumulative Effect Transition [Abstract]
Accounts receivable-trade, net	$ (324,695)		$ (324,695)		$ (268,287)
Accounts receivable-other, net	34,245		34,245		28,401
Deferred costs	(16,537)		(16,537)		(16,589)
Deferred revenue	(39,444)		(39,444)		(35,648)
Net sales	330,448	$ 335,057	1,003,245	$ 1,054,992
Cost of sales	$ 262,751	267,537	$ 798,123	847,092
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] | ASU 2014-09 [Member]
Revenue, Initial Application Period Cumulative Effect Transition [Abstract]
Accounts receivable-trade, net					(1,900)
Accounts receivable-other, net					1,900
Deferred costs					(3,200)
Deferred revenue					$ (3,200)
Net sales		1,700		8,400
Cost of sales		$ 1,700		$ 8,400