SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION CF (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	$ (51,179)	$ (14,828)
Capital expenditures	(12,553)	(21,063)
Proceeds from asset dispositions	41,975	11,500
Net cash used in investing activities	29,422	(9,563)
Proceeds from borrowings	69,018	74,408
Debt issuance costs	(493)	(2,925)
Repayment of debt	(66,947)	(18,035)
Dividends paid	(2,465)
Payments of Ordinary Dividends, Common Stock	2,465	2,453
Increases (decreases) in cash related to intercompany advances and debt	0	0
Partial prepayment of put/call obligation	(12)	(13)
Payment of contingent consideration	0	(10,000)
Repurchases for tax witholdings on vesting of equity awards	(274)	(570)
Net cash provided by financing activities	(1,173)	40,412
Effect of exchange rate changes on cash and cash equivalents	5,153	2,380
Net increase in cash and cash equivalents	(17,777)	18,401
Cash and cash equivalents at beginning of period	96,656	104,310
Cash and cash equivalents at end of period	78,879	122,711
Consolidations, Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	0	(16)
Capital expenditures	0	0
Proceeds from asset dispositions	0	0
Net cash used in investing activities	0	0
Proceeds from borrowings	0	0
Debt issuance costs	0	0
Repayment of debt	0	0
Dividends paid	0	0
Increases (decreases) in cash related to intercompany advances and debt	0	0
Partial prepayment of put/call obligation	0	0
Payment of contingent consideration		0
Repurchases for tax witholdings on vesting of equity awards	0	0
Net cash provided by financing activities	0	0
Effect of exchange rate changes on cash and cash equivalents	0	0
Net increase in cash and cash equivalents	0	(16)
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	0	(16)
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	(37,229)	(47,632)
Capital expenditures	(4,036)	(7,238)
Proceeds from asset dispositions	0	0
Net cash used in investing activities	(4,036)	(7,238)
Proceeds from borrowings	68,800	71,950
Debt issuance costs	0	(2,925)
Repayment of debt	(42,150)	(16,000)
Dividends paid	(2,465)	(2,453)
Increases (decreases) in cash related to intercompany advances and debt	19,370	(30,342)
Partial prepayment of put/call obligation	(12)	(13)
Payment of contingent consideration		0
Repurchases for tax witholdings on vesting of equity awards	(274)	(570)
Net cash provided by financing activities	43,269	19,647
Effect of exchange rate changes on cash and cash equivalents	0	0
Net increase in cash and cash equivalents	2,004	(35,223)
Cash and cash equivalents at beginning of period	3,382	35,241
Cash and cash equivalents at end of period	5,386	18
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	(7,228)	17,142
Capital expenditures	(3,070)	(6,380)
Proceeds from asset dispositions	2,473	9,486
Net cash used in investing activities	(597)	3,106
Proceeds from borrowings	0	0
Debt issuance costs	(466)	0
Repayment of debt	(5,013)	0
Dividends paid	0	0
Increases (decreases) in cash related to intercompany advances and debt	14,192	(23,641)
Partial prepayment of put/call obligation	0	0
Payment of contingent consideration		0
Repurchases for tax witholdings on vesting of equity awards	0	0
Net cash provided by financing activities	8,713	(23,641)
Effect of exchange rate changes on cash and cash equivalents	0	0
Net increase in cash and cash equivalents	888	(3,393)
Cash and cash equivalents at beginning of period	299	3,393
Cash and cash equivalents at end of period	1,187	0
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by (used in) operating activities	(6,722)	15,678
Capital expenditures	(5,447)	(7,445)
Proceeds from asset dispositions	39,502	2,014
Net cash used in investing activities	34,055	(5,431)
Proceeds from borrowings	218	2,458
Debt issuance costs	(27)	0
Repayment of debt	(19,784)	(2,035)
Dividends paid	0	0
Increases (decreases) in cash related to intercompany advances and debt	(33,562)	53,983
Partial prepayment of put/call obligation	0	0
Payment of contingent consideration		(10,000)
Repurchases for tax witholdings on vesting of equity awards	0	0
Net cash provided by financing activities	(53,155)	44,406
Effect of exchange rate changes on cash and cash equivalents	5,153	2,380
Net increase in cash and cash equivalents	(20,669)	57,033
Cash and cash equivalents at beginning of period	92,975	65,676
Cash and cash equivalents at end of period	$ 72,306	$ 122,709