Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Income from continuing operations	$ 3,649	$ 4,951
Adjustments to reconcile income from continuing operations to net cash provided by operating activities:
Deferred income taxes	(195)	(221)
Depreciation and amortization	2,902	2,365
Equity in income of nonconsolidated investment	(204)	(176)
Loss (gain) on sales and disposals of property, plant and equipment	12	(8)
Share-based compensation	575	631
Excess tax benefit from share-based compensation	(85)	(189)
Change in operating assets and liabilities, net of acquisitions:
Accounts receivable	31,513	(12,852)
Inventories	(833)	(295)
Other current assets	(1,755)	(1,298)
Prepaid income tax	450	(1,593)
Other noncurrent assets	43	91
Dividends from LB Pipe & Coupling Products, LLC	90	378
Accounts payable	(2,568)	(9,363)
Deferred revenue	1,401	4,660
Accrued payroll and employee benefits	(3,135)	(3,940)
Other current liabilities	(330)	(78)
Other liabilities	595	(301)
Net cash provided (used) by continuing operating activities	32,125	(17,238)
Net cash provided by discontinued operations	61	124
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from the sale of property, plant and equipment	184	8
Capital expenditures on property, plant and equipment	(3,499)	(1,031)
Acquisition of business	(495)
Net cash used by continuing investing activities	(3,810)	(1,023)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of other long-term debt	(19)	(18)
Proceeds from other long-term debt	316
Treasury stock acquisitions	(747)	(547)
Cash dividends on common stock paid to shareholders	(309)	(310)
Excess tax benefit from share-based compensation	85	189
Net cash used by continuing financing activities	(674)	(686)
Effect of exchange rate changes on cash and cash equivalents	(1,194)	(1,206)
Net increase (decrease) in cash and cash equivalents	26,508	(20,029)
Cash and cash equivalents at beginning of period	64,623	101,464
Cash and cash equivalents at end of period	91,131	81,435
Supplemental Disclosure of Cash Flow Information:
Interest paid	87	86
Income taxes paid	$ 1,480	$ 4,076