Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Income from continuing operations	$ 16	$ 6,771
Adjustments to reconcile income from continuing operations to net cash provided/(used) by operating activities:
Deferred income taxes	(6,576)	(765)
Depreciation and amortization	6,220	5,943
Equity in income of nonconsolidated investment	(332)	(283)
Loss on sale of property, plant and equipment	286	32
Deferred gain amortization on sale-leaseback	(456)	(107)
Stock-based compensation	835	1,255
Excess tax benefit from share-based compensation	(37)	(331)
Change in operating assets and liabilities:
Accounts receivable	(25,239)	(13,476)
Inventories	5,853	(5,302)
Other current assets	(1,188)	(219)
Prepaid income tax	1,870	(1,502)
Other noncurrent assets	66	(398)
Accounts payable - trade	7,729	11,377
Deferred revenue	(807)	(10,283)
Accrued payroll and employee benefits	(3,005)	(2,810)
Other current liabilities	18,697	773
Other liabilities	(408)	(235)
Net Cash Provided/(Used) by Continuing Operating Activities	3,524	(9,560)
Net Cash Used by Discontinued Operations	(1,680)	(805)
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from the sale of property, plant and equipment	7	8
Capital expenditures on property, plant and equipment	(4,833)	(6,621)
Acquisitions		(8,952)
Capital contributions to equity method investment		(335)
Net Cash Used by Continuing Investing Activities	(4,826)	(15,900)
Net Cash Provided/(Used) by Discontinued Operations	8,547	(21)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of other long-term debt	(1,708)	(1,670)
Proceeds from exercise of stock options and stock awards	13	74
Treasury stock acquisitions		(1,569)
Cash dividends on common stock paid to shareholders	(514)	(515)
Excess tax benefit from share-based compensation	37	331
Net Cash Used by Financing Activities	(2,172)	(3,349)
Effect of exchange rate changes on cash and cash equivalents	123	530
Net Increase/(Decrease) in Cash and Cash Equivalents	3,516	(29,105)
Cash and Cash Equivalents at Beginning of Period	73,727	74,800
Cash and Cash Equivalents at End of Period	77,243	45,695
Supplemental Disclosure of Cash Flow Information:
Interest Paid	197	223
Income Taxes Paid	$ 6,276	$ 5,158