RECONCILIATION OF PREVIOUSLY REPORTED AMOUNTS TO AMOUNTS AS RESTATED Restated Consolidated Statements of Cash Flows (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITES
Net earnings	$ 46,596	$ 23,184	$ 51,523
Adjustments to reconcile net earnings to cash provided by operating activities:
Depreciation	16,327us-gaap_Depreciation	14,727us-gaap_Depreciation	14,632us-gaap_Depreciation
Amortization expense (including deferred financing fees)	3,715us-gaap_AmortizationOfDeferredCharges	1,634us-gaap_AmortizationOfDeferredCharges	1,915us-gaap_AmortizationOfDeferredCharges
Provision for deferred taxes	(269)us-gaap_DeferredIncomeTaxExpenseBenefit	3,529us-gaap_DeferredIncomeTaxExpenseBenefit	4,393us-gaap_DeferredIncomeTaxExpenseBenefit
Write-off of deferred financing fees	347	0	477
Unrealized foreign currency (gains) losses	(6,640)	(4,578)	1,338
Stock-based compensation	8,062us-gaap_ShareBasedCompensation	10,473us-gaap_ShareBasedCompensation	10,356us-gaap_ShareBasedCompensation
Intangible asset impairment charge	0	8,900	0
Other non-cash items	466us-gaap_OtherNoncashIncomeExpense	153us-gaap_OtherNoncashIncomeExpense	(412)us-gaap_OtherNoncashIncomeExpense
Changes in assets and liabilities, net of effects of acquisitions:
Customer receivables	(11,224)	2,455	9,134
Inventories	(21,302)us-gaap_IncreaseDecreaseInInventories	958us-gaap_IncreaseDecreaseInInventories	1,019us-gaap_IncreaseDecreaseInInventories
Accounts payable	23,002	6,204	(1,641)
Current income taxes	(5,528)	15,663	(13,782)
Other current assets	(3,601)	414	(3,920)
Other current liabilities	(6,971)	(8,123)	788
Other noncurrent assets and liabilities	45,258	(20,979)	(5,252)
Cash provided by operating activities	88,227	54,614	70,568
CASH FLOWS FROM INVESTING ACTIVITIES
Cash provided by (used in) investing activities	(135,250)	(29,379)	(23,001)
CASH FLOWS FROM FINANCING ACTIVITIES
Cash used in financing activities	57,265	(43,508)	(45,791)
Effect of exchange rate changes on cash and cash equivalents	(3,247)	343	(83)
Net increase (decrease) in cash and cash equivalents	6,995	(17,930)	1,693
Cash and cash equivalents at beginning of year	12,026	29,956	28,263
Cash and cash equivalents at end of year	19,021	12,026	29,956
As previously reported
CASH FLOWS FROM OPERATING ACTIVITES
Net earnings		23,146	50,001
Adjustments to reconcile net earnings to cash provided by operating activities:
Depreciation		14,727	14,632
Amortization expense (including deferred financing fees)		1,634	1,915
Provision for deferred taxes		3,532	4,393
Write-off of deferred financing fees		0	477
Unrealized foreign currency (gains) losses		(4,578)	1,338
Stock-based compensation		10,473	10,356
Intangible asset impairment charge		8,900	0
Other non-cash items		153	(412)
Changes in assets and liabilities, net of effects of acquisitions:
Customer receivables		2,039	20,131
Inventories		1,431	(7,512)
Accounts payable		6,204	(563)
Current income taxes		15,345	(15,831)
Other current assets		414	(3,920)
Other current liabilities		(7,827)	815
Other noncurrent assets and liabilities		(20,979)	(5,252)
Cash provided by operating activities		54,614	70,568
CASH FLOWS FROM INVESTING ACTIVITIES
Cash provided by (used in) investing activities		(29,379)	(23,001)
CASH FLOWS FROM FINANCING ACTIVITIES
Cash used in financing activities		(43,508)	(45,791)
Effect of exchange rate changes on cash and cash equivalents		343	(83)
Net increase (decrease) in cash and cash equivalents		(17,930)	1,693
Cash and cash equivalents at beginning of year	12,026	29,956	28,263
Cash and cash equivalents at end of year		12,026	29,956
Correction of prior period misstatements
CASH FLOWS FROM OPERATING ACTIVITES
Net earnings		38	1,522
Adjustments to reconcile net earnings to cash provided by operating activities:
Depreciation		0	0
Amortization expense (including deferred financing fees)		0	0
Provision for deferred taxes		(3)	0
Write-off of deferred financing fees		0	0
Unrealized foreign currency (gains) losses		0	0
Stock-based compensation		0	0
Intangible asset impairment charge		0	0
Other non-cash items		0	0
Changes in assets and liabilities, net of effects of acquisitions:
Customer receivables		416	(10,997)
Inventories		(473)	8,531
Accounts payable		0	(1,078)
Current income taxes		318	2,049
Other current assets		0	0
Other current liabilities		(296)	(27)
Other noncurrent assets and liabilities		0	0
Cash provided by operating activities		0	0
CASH FLOWS FROM INVESTING ACTIVITIES
Cash provided by (used in) investing activities		0	0
CASH FLOWS FROM FINANCING ACTIVITIES
Cash used in financing activities		0	0
Effect of exchange rate changes on cash and cash equivalents		0	0
Net increase (decrease) in cash and cash equivalents		0	0
Cash and cash equivalents at beginning of year	0	0	0
Cash and cash equivalents at end of year		$ 0	$ 0

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The amount of amortization of deferred charges applied against earnings during the period.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount before tax of foreign currency transaction unrealized gain (loss) recognized in the income statement.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

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The increase (decrease) during the reporting period in other current operating assets not separately disclosed in the statement of cash flows.

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The increase (decrease) during the reporting period in other current operating liabilities not separately disclosed in the statement of cash flows.

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The increase (decrease) during the reporting period in other noncurrent operating assets less other noncurrent operating liabilities not separately disclosed in the statement of cash flows.

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The increase (decrease) in cash associated with the entity's continuing operating, investing, and financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.

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Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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