Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flow from operating activities:
Net loss	$ (26,344)	$ (36,375)
Adjustments to reconcile net loss to cash provided by operations:
Depreciation and amortization	17,309	19,458
Impairments	2,500	0
Change in inventory lower-of-cost-or-market reserve net of depreciation	(1,282)	9,962
Deferred income tax provision	(761)	(485)
Post-retirement and pension plan changes	739	1,046
Interest expense	1,686	1,576
Other charges, net	2,048	(750)
Net change in working capital	8,646	16,523
Change in long-term assets and liabilities	(2,724)	(1,231)
Net cash provided by operating activities	1,817	9,724
Cash flow from investing activities:
Capital expenditures	(7,996)	(8,414)
Proceeds from the sale of assets	368	404
Other	0	(253)
Net cash used in investing activities	(7,628)	(8,263)
Cash flow from financing activities:
Short-term debt, net	(498)	5,001
Revolving Facility borrowings	13,000	19,000
Revolving Facility reductions	0	(23,000)
Principal payments on long-term debt	(36)	(34)
Net cash provided by financing activities	12,466	967
Net change in cash and cash equivalents	6,655	2,428
Effect of exchange rate changes on cash and cash equivalents	216	477
Cash and cash equivalents at beginning of period	11,610	6,927
Cash and cash equivalents at end of period	18,481	9,832
Increase (Decrease) in Operating Assets
Accounts and notes receivable, net	5,798	14,249
Inventories	2,718	4,871
Prepaid expenses and other current assets	(758)	(2,873)
Change in accounts payable and accruals	(3,927)	(4,586)
Increase in interest payable	4,815	4,862
Net change in working capital	$ 8,646	$ 16,523