SELECTED CONSOLIDATING FINANCIAL STATEMENTS OF PARENT, GUARANTORS AND NON-GUARANTORS (Details 3) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Consolidating Financial Statements, Captions
Net Income (Loss) Attributable to Parent	$ (13,846)	$ (30,945)	$ 46,943	$ (122,155)
Adjustments to reconcile net income to net cash provided by (used in) operating activities			(7,655)	(70,961)
Net cash provided by (used in) operating activities			39,288	(193,116)
Capital expenditures	(10,255)	(10,570)	(27,250)	(34,824)
Payments for (Proceeds from) Businesses and Interests in Affiliates			(49,956)	(41,417)
Proceeds from sale of assets				41,417
Net cash used in investing activities			22,706	6,593
Net increase in revolving credit facility			215,000	(218,066)
Proceeds from issuance of long-term debt and capital leases			570,980	45,000
Retirements and repayments of debt			433,197	73,011
Payments of Financing Costs			17,545	1,941
Dividends paid			6,005	5,975
Repurchase of restricted shares for minimum tax obligation			(1,179)	(645)
Intercompany financing and advances			0	0
Net cash (used in) provided by financing activities			(101,946)	181,494
Effect of exchange rate changes on cash			739	(2,126)
Net change in cash and cash equivalents			(39,213)	(7,155)
Cash and cash equivalents	53,594	28,664	53,594	28,664	$ 92,807	$ 35,819
Consolidation, Eliminations [Member]
Consolidating Financial Statements, Captions
Net Income (Loss) Attributable to Parent	0	0	0	0
Adjustments to reconcile net income to net cash provided by (used in) operating activities			0	17,879
Net cash provided by (used in) operating activities			0	17,879
Capital expenditures			0	0
Payments for (Proceeds from) Businesses and Interests in Affiliates			0
Proceeds from sale of assets				0
Net cash used in investing activities			0	0
Net increase in revolving credit facility			0	0
Proceeds from issuance of long-term debt and capital leases			0	0
Retirements and repayments of debt			0	0
Payments of Financing Costs			0	0
Dividends paid			0	0
Repurchase of restricted shares for minimum tax obligation			0	0
Intercompany financing and advances			0	(17,879)
Net cash (used in) provided by financing activities			0	(17,879)
Effect of exchange rate changes on cash			0	0
Net change in cash and cash equivalents			0	0
Cash and cash equivalents	0	0	0	0	0	0
Parent
Consolidating Financial Statements, Captions
Net Income (Loss) Attributable to Parent	(51,427)	9,821	(65,602)	(50,866)
Adjustments to reconcile net income to net cash provided by (used in) operating activities			(35,640)	38,356
Net cash provided by (used in) operating activities			(101,242)	(12,510)
Capital expenditures			(980)	(628)
Payments for (Proceeds from) Businesses and Interests in Affiliates			(44,414)
Proceeds from sale of assets				0
Net cash used in investing activities			43,434	(628)
Net increase in revolving credit facility			215,000	(218,066)
Proceeds from issuance of long-term debt and capital leases			525,000	0
Retirements and repayments of debt			376,665	1,091
Payments of Financing Costs			17,545	1,941
Dividends paid			6,005	5,975
Repurchase of restricted shares for minimum tax obligation			(1,179)	(645)
Intercompany financing and advances			98,329	(195,320)
Net cash (used in) provided by financing activities			6,935	13,094
Effect of exchange rate changes on cash			0	0
Net change in cash and cash equivalents			(50,873)	(44)
Cash and cash equivalents	19,319	0	19,319	0	70,192	44
Guarantor Subsidiaries [Member]
Consolidating Financial Statements, Captions
Net Income (Loss) Attributable to Parent	32,381	(44,877)	92,150	(83,368)
Adjustments to reconcile net income to net cash provided by (used in) operating activities			(2,285)	(154,793)
Net cash provided by (used in) operating activities			89,865	(238,161)
Capital expenditures			(22,874)	(30,398)
Payments for (Proceeds from) Businesses and Interests in Affiliates			(5,155)
Proceeds from sale of assets				40,235
Net cash used in investing activities			(17,719)	9,837
Net increase in revolving credit facility			0	0
Proceeds from issuance of long-term debt and capital leases			0	0
Retirements and repayments of debt			4,852	15,120
Payments of Financing Costs			0	0
Dividends paid			0	0
Repurchase of restricted shares for minimum tax obligation			0	0
Intercompany financing and advances			(67,723)	243,505
Net cash (used in) provided by financing activities			(72,575)	228,385
Effect of exchange rate changes on cash			0	0
Net change in cash and cash equivalents			(429)	61
Cash and cash equivalents	0	61	0	61	429	0
Non-Guarantor Subsidiaries
Consolidating Financial Statements, Captions
Net Income (Loss) Attributable to Parent	5,200	4,111	20,395	12,079
Adjustments to reconcile net income to net cash provided by (used in) operating activities			30,270	27,597
Net cash provided by (used in) operating activities			50,665	39,676
Capital expenditures			(3,396)	(3,798)
Payments for (Proceeds from) Businesses and Interests in Affiliates			(387)
Proceeds from sale of assets				1,182
Net cash used in investing activities			(3,009)	(2,616)
Net increase in revolving credit facility			0	0
Proceeds from issuance of long-term debt and capital leases			45,980	45,000
Retirements and repayments of debt			51,680	56,800
Payments of Financing Costs			0	0
Dividends paid			0	0
Repurchase of restricted shares for minimum tax obligation			0	0
Intercompany financing and advances			(30,606)	(30,306)
Net cash (used in) provided by financing activities			(36,306)	(42,106)
Effect of exchange rate changes on cash			739	(2,126)
Net change in cash and cash equivalents			12,089	(7,172)
Cash and cash equivalents	$ 34,275	$ 28,603	$ 34,275	$ 28,603	$ 22,186	$ 35,775