This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

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Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit.

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Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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- Definition

Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income (loss) for actuarial gain (loss) related to pension and other postretirement benefit plans.

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- Definition

Number of shares issued which are neither cancelled nor held in the treasury.

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No definition available.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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- Definition

Number of share options (or share units) exercised during the current period.

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- Definition

Value of stock issued as a result of the exercise of stock options.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Amount of decrease of par value, additional paid in capital (APIC) and retained earnings of common and preferred stock retired from treasury when treasury stock is accounted for under the cost method.

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Number of shares of common and preferred stock retired from treasury during the period.

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Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Income
Balance at Dec. 31, 2011	$ 277,276us-gaap_StockholdersEquity	$ 1,190	$ 85,704	$ (426)	$ 196,431	$ (5,623)
Balance (shares) at Dec. 31, 2011		11,860,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	28,903us-gaap_NetIncomeLoss				28,903
Translation adjustment	4,445					4,445
Net actuarial loss arising during period net of taxes	(453)					(453)
Tax effect of exercised non-qualified stock options	(102)		(102)
Stock-based compensation	940		940
Exercise of stock options, shares		126,000
Exercise of stock options	2,131	13	2,118
Dividends paid	(2,854)us-gaap_DividendsCash				(2,854)
Balance at Dec. 31, 2012	310,286us-gaap_StockholdersEquity	1,203	88,660	(426)	222,480	(1,631)
Balance (shares) at Dec. 31, 2012		11,986,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	36,094us-gaap_NetIncomeLoss				36,094
Translation adjustment	479					479
Net actuarial loss arising during period net of taxes	4,190					4,190
Stock-based compensation	1,501		1,501
Exercise of stock options, shares		85,000
Exercise of stock options	1,286	8	1,278
Dividends paid	(3,371)us-gaap_DividendsCash				(3,371)
Balance at Dec. 31, 2013	350,465us-gaap_StockholdersEquity	1,211	91,439	(426)	255,203	3,038
Balance (shares) at Dec. 31, 2013		12,071,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	41,151us-gaap_NetIncomeLoss				41,151
Translation adjustment	(16,331)					(16,331)
Net actuarial loss arising during period net of taxes	(3,066)					(3,066)
Tax effect of exercised non-qualified stock options	94		94
Stock-based compensation	1,986		1,986
Exercise of stock options, shares		43,000
Exercise of stock options	903	4	899
Repurchased shares	(34,204)			(34,204)
Retirement of shares (shares)		(850,000)
Retirement of shares	0	(85)	(569)	34,204	(33,550)
Dividends paid	(3,328)us-gaap_DividendsCash				(3,328)
Balance at Dec. 31, 2014	$ 337,670us-gaap_StockholdersEquity	$ 1,130	$ 93,849	$ (426)	$ 259,476	$ (16,359)
Balance (shares) at Dec. 31, 2014		11,264,000