BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Impact of Changes in Foreign Currency Exchange Rate (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017
Schedule of Foreign Currency [Line Items]
Revenue	$ 331,329	$ 360,735	$ 1,049,880	$ 1,086,520
Operating expense	(347,258)	(361,667)	(1,075,994)	(1,117,395)
Earnings (losses) from unconsolidated affiliates, net	780	1,996	(2,333)	3,394
Loss before benefit (provision) for income taxes	(61,937)	(23,356)	(256,157)	(94,533)
Benefit for income taxes	(23,764)	13,419	(5,258)	(2,546)
Net income (loss)	(85,701)	(9,937)	(261,415)	(97,079)
Total stockholders’ investment	877,473	$ 1,249,016	877,473	$ 1,249,016	$ 970,232	$ 1,120,644	$ 1,178,144	$ 1,228,079	$ 1,245,841	$ 1,289,283
Quarter To Date [Member] | Impact of Changes in Foreign Currency Exchange Rates
Schedule of Foreign Currency [Line Items]
Revenue	(7,844)
Operating expense	10,452
Earnings (losses) from unconsolidated affiliates, net	555
Non-operating expense	(3,153)
Loss before benefit (provision) for income taxes	10
Benefit for income taxes	144
Net income (loss)	154
Cumulative translation adjustment	(6,514)
Total stockholders’ investment	(6,360)		(6,360)
Year To Date | Impact of Changes in Foreign Currency Exchange Rates
Schedule of Foreign Currency [Line Items]
Revenue			(2,652)
Operating expense			10,178
Earnings (losses) from unconsolidated affiliates, net			(2,163)
Non-operating expense			(9,335)
Loss before benefit (provision) for income taxes			(3,972)
Benefit for income taxes			1,338
Net income (loss)			(2,634)
Cumulative translation adjustment			(43,685)
Total stockholders’ investment	$ (46,319)		$ (46,319)