Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (loss) income	$ (94,828)	$ 9,649
Adjustments to reconcile net (loss) income to cash provided by operating activities:
Deferred income taxes	(38,475)	(425)
Depreciation	7,325	6,775
Amortization	6,055	5,613
Asset impairments	128,938	0
Equity loss in nonconsolidated investments	683	13
Loss on sales and disposals of property, plant, and equipment	240	57
Share-based compensation	555	1,896
Excess income tax deficiency (benefit) from share-based compensation	124	(310)
Change in operating assets and liabilities, net of acquisitions:
Accounts receivable	(2,755)	6,524
Inventories	(231)	(7,832)
Other current assets	(959)	(103)
Prepaid income tax	(4,262)	(948)
Other noncurrent assets	(60)	(1,257)
Dividends from LB Pipe & Coupling Products, LLC	0	90
Accounts payable	3,784	(13,101)
Deferred revenue	2,412	(1,073)
Accrued payroll and employee benefits	(2,658)	(5,699)
Other current liabilities	812	(1,113)
Other liabilities	(145)	(690)
Net cash provided (used) by operating activities	6,555	(1,934)
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from the sale of property, plant, and equipment	768	163
Capital expenditures on property, plant and equipment	(5,070)	(8,246)
Acquisitions, net of cash acquired	0	(193,871)
Loans and capital contributions to equity method investment	(575)	(61)
Net cash used by investing activities	(4,877)	(202,015)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of debt	(68,174)	(62,247)
Proceeds from debt	67,789	254,291
Proceeds from exercise of stock options and stock awards	0	68
Financing fees	(712)	(1,670)
Treasury stock acquisitions	(265)	(962)
Cash dividends on common stock paid to shareholders	(829)	(831)
Excess income tax deficiency (benefit) from share-based compensation	(124)	310
Net cash (used) provided by financing activities	(2,315)	188,959
Effect of exchange rate changes on cash and cash equivalents	130	(1,473)
Net decrease in cash and cash equivalents	(507)	(16,463)
Cash and cash equivalents at beginning of period	33,312	52,024
Cash and cash equivalents at end of period	32,805	35,561
Supplemental Disclosure of Cash Flow Information:
Interest paid	2,211	1,471
Income taxes paid	$ 3,987	$ 6,379