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Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash Flows from Operating Activities
Net income (loss)	$ 5,509us-gaap_NetIncomeLoss	$ (2,086)us-gaap_NetIncomeLoss
Loss from discontinued operations	(28)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
Income (loss) from continuing operations	5,537us-gaap_IncomeLossFromContinuingOperations	(2,086)us-gaap_IncomeLossFromContinuingOperations
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	6,149us-gaap_DepreciationDepletionAndAmortization	6,566us-gaap_DepreciationDepletionAndAmortization
Stock compensation expense	568us-gaap_ShareBasedCompensation	660us-gaap_ShareBasedCompensation
Net gain on sale of assets	(8,141)us-gaap_GainLossOnDispositionOfAssets1	0us-gaap_GainLossOnDispositionOfAssets1
Other non-cash adjustments	(1,718)us-gaap_OtherNoncashIncomeExpense	550us-gaap_OtherNoncashIncomeExpense
Non-cash charges to interest expense	179us-gaap_AmortizationOfFinancingCostsAndDiscounts	261us-gaap_AmortizationOfFinancingCostsAndDiscounts
Changes in operating assets and liabilities:
Accounts receivable	(15,332)us-gaap_IncreaseDecreaseInAccountsReceivable	(17,107)us-gaap_IncreaseDecreaseInAccountsReceivable
Inventories	(5,361)us-gaap_IncreaseDecreaseInInventories	(6,266)us-gaap_IncreaseDecreaseInInventories
Other current assets and other assets	1,786us-gaap_IncreaseDecreaseInOtherOperatingAssets	(2,248)us-gaap_IncreaseDecreaseInOtherOperatingAssets
Accounts payable	8,450us-gaap_IncreaseDecreaseInAccountsPayable	13,060us-gaap_IncreaseDecreaseInAccountsPayable
Accrued expenses and other non-current liabilities	(6,869)us-gaap_IncreaseDecreaseInOtherAccruedLiabilities	(8,016)us-gaap_IncreaseDecreaseInOtherAccruedLiabilities
Net cash used in operating activities	(14,752)us-gaap_NetCashProvidedByUsedInOperatingActivities	(14,626)us-gaap_NetCashProvidedByUsedInOperatingActivities
Cash Flows from Investing Activities
Purchases of property, plant, and equipment	(2,022)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment	(4,056)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Net proceeds from sale of property and equipment	26,181us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment	137us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Other investing activities	(61)us-gaap_PaymentsForProceedsFromOtherInvestingActivities	0us-gaap_PaymentsForProceedsFromOtherInvestingActivities
Net cash provided by (used in) investing activities	24,098us-gaap_NetCashProvidedByUsedInInvestingActivities	(3,919)us-gaap_NetCashProvidedByUsedInInvestingActivities
Cash Flows from Financing Activities
Long-term debt payments	0us-gaap_RepaymentsOfLongTermDebt	(2)us-gaap_RepaymentsOfLongTermDebt
Purchase of treasury stock at market prices	(356)us-gaap_PaymentsForRepurchaseOfCommonStock	(408)us-gaap_PaymentsForRepurchaseOfCommonStock
Net proceeds from issuance of common stock	9us-gaap_ProceedsFromIssuanceOfCommonStock	365us-gaap_ProceedsFromIssuanceOfCommonStock
Excess tax benefit from stock compensation	18us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	91us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
Net cash (used in) provided by financing activities	(329)us-gaap_NetCashProvidedByUsedInFinancingActivities	46us-gaap_NetCashProvidedByUsedInFinancingActivities
Effect of exchange rate changes on cash	(1,327)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents	(354)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
Net increase (decrease) in cash and cash equivalents	7,690us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease	(18,853)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at beginning of year	110,610us-gaap_CashAndCashEquivalentsAtCarryingValue	97,039us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents at end of period	$ 118,300us-gaap_CashAndCashEquivalentsAtCarryingValue	$ 78,186us-gaap_CashAndCashEquivalentsAtCarryingValue

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The cash outflow to reacquire common stock during the period.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow from the additional capital contribution to the entity.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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