Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (loss) income	$ (47,773)	$ 19,627
Adjustments to reconcile net (loss) income to cash provided by operating activities:
Deferred income taxes	(17,281)	(641)
Depreciation	10,593	5,743
Amortization	8,950	3,504
Impairment of goodwill	80,337	0
Equity in loss (income) of nonconsolidated investments	312	(823)
Loss on sales and disposals of property, plant, and equipment	125	15
Share-based compensation	1,382	2,403
Excess income tax benefit from share-based compensation	(289)	(283)
Change in operating assets and liabilities, net of acquisitions:
Accounts receivable	(1,485)	7,934
Inventories	(1,283)	(11,839)
Other current assets	625	(437)
Prepaid income tax	2,969	4,978
Other noncurrent assets	(1,101)	(448)
Dividends from LB Pipe & Coupling Products, LLC	90	630
Accounts payable	(16,058)	13,727
Deferred revenue	(317)	4,092
Accrued payroll and employee benefits	(5,283)	475
Other current liabilities	(370)	1,206
Other liabilities	(455)	(125)
Net cash provided by operating activities	13,688	49,738
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from the sale of property, plant, and equipment	389	184
Capital expenditures on property, plant and equipment	(11,618)	(11,593)
Acquisitions, net of cash acquired	(193,871)	(12,786)
Capital contributions to equity method investments	(61)	(82)
Net cash used by investing activities	(205,161)	(24,277)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of debt	(108,777)	(78)
Proceeds from debt	289,764	316
Proceeds from exercise of stock options and stock awards	68	131
Financing fees	(1,670)	(473)
Treasury stock acquisitions	2,686	918
Cash dividends on common stock paid to shareholders	(1,244)	(931)
Excess income tax benefit from share-based compensation	289	283
Net cash provided (used) by financing activities	175,744	(1,670)
Effect of exchange rate changes on cash and cash equivalents	(3,085)	(1,898)
Net (decrease) increase in cash and cash equivalents	(18,814)	21,893
Cash and cash equivalents at beginning of period	52,024	64,623
Cash and cash equivalents at end of period	33,210	86,516
Supplemental Disclosure of Cash Flow Information:
Interest paid	2,513	267
Income taxes paid	$ 6,280	$ 4,849