UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net loss	$ (55,746)	$ (41,072)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	31,056	34,694
Deferred income taxes	6,651	(7,216)
Discount amortization on long-term debt	23	27
Loss on disposal of assets	(699)	10,017
Impairment of inventories	1,192	0
Stock-based compensation	4,136	4,200
Equity in earnings from unconsolidated affiliates in excess of dividends received	665	(3,587)
Increase (decrease) in cash resulting from changes in:
Accounts receivable	(21,541)	(18,391)
Inventories	(3,551)	(2,000)
Prepaid expenses and other assets	5,106	(2,390)
Accounts payable	(3,288)	5,328
Accrued liabilities	(8,807)	10,904
Other liabilities and deferred credits	(6,376)	(5,342)
Net cash provided by (used in) operating activities	(51,179)	(14,828)
Cash flows from investing activities:
Capital expenditures	(12,553)	(21,063)
Proceeds from asset dispositions	41,975	11,500
Net cash used in investing activities	29,422	(9,563)
Cash flows from financing activities:
Proceeds from borrowings	69,018	74,408
Debt issuance costs	(493)	(2,925)
Repayment of debt	(66,947)	(18,035)
Partial prepayment of put/call obligation	(12)	(13)
Payment of contingent consideration	0	(10,000)
Common stock dividends paid	(2,465)	(2,453)
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
Cash paid during the period for:
Interest	22,093	18,114
Income taxes	$ 4,543	$ 4,058