Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (100,810)	$ (47,773)
Adjustments to reconcile net (loss) income to cash provided by operating activities:
Deferred income taxes	(39,690)	(17,281)
Depreciation	10,620	10,593
Amortization	7,818	8,950
Asset impairments	135,884	80,337
Equity loss in nonconsolidated investments	946	312
Loss on sales and disposals of property, plant, and equipment	209	125
Share-based compensation	875	1,382
Excess income tax deficiency (benefit) from share-based compensation	124	(289)
Change in operating assets and liabilities, net of acquisitions:
Accounts receivable	13,491	(1,485)
Inventories	3,188	(1,283)
Other current assets	(379)	625
Prepaid income tax	(6,436)	2,969
Other noncurrent assets	117	(1,101)
Dividends from LB Pipe & Coupling Products, LLC	0	90
Accounts payable	(13,256)	(16,058)
Deferred revenue	866	(317)
Accrued payroll and employee benefits	(2,294)	(5,283)
Other current liabilities	956	(370)
Other liabilities	(353)	(455)
Net cash provided by operating activities	11,876	13,688
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from the sale of property, plant, and equipment	923	389
Capital expenditures on property, plant and equipment	(6,507)	(11,618)
Acquisitions, net of cash acquired	0	(193,871)
Loans and capital contributions to equity method investment	(635)	(61)
Net cash used by investing activities	(6,219)	(205,161)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of debt	(134,200)	(108,777)
Proceeds from debt	101,075	289,764
Proceeds from exercise of stock options and stock awards	0	68
Financing fees	(712)	(1,670)
Treasury stock acquisitions	(265)	(2,686)
Cash dividends on common stock paid to shareholders	(1,244)	(1,244)
Excess income tax (deficiency) benefit from share-based compensation	(124)	289
Net cash (used) provided by financing activities	(35,470)	175,744
Effect of exchange rate changes on cash and cash equivalents	152	(3,085)
Net decrease in cash and cash equivalents	(29,661)	(18,814)
Cash and cash equivalents at beginning of period	33,312	52,024
Cash and cash equivalents at end of period	3,651	33,210
Supplemental Disclosure of Cash Flow Information:
Interest paid	3,485	2,513
Income taxes paid	$ 3,991	$ 6,280