Tax benefit associated with any share-based compensation plan other than an employee stock ownership plan (ESOP). The tax benefit results from the deduction by the entity on its tax return for an award of stock that exceeds the cumulative compensation cost for common stock or preferred stock recognized for financial reporting. Includes any resulting tax benefit that exceeds the previously recognized deferred tax asset (excess tax benefits).

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-Name Statement of Financial Accounting Standard (FAS)
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The portion of consolidated profit or loss for the period, net of income taxes, which is attributable to the parent. If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 19
-Article 5

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-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
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-Name Statement of Financial Accounting Standard (FAS)
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-Name Emerging Issues Task Force (EITF)
-Number 87-21

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-Name Statement of Financial Accounting Standard (FAS)
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Change in accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges, net of tax effect. The after tax effect change includes an entity's share of an equity investee's increase (decrease) in deferred hedging gains or losses.

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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

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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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-Name Accounting Research Bulletin (ARB)
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-Paragraph A3
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Number of shares issued during the period as a result of any share-based compensation plan other than an employee stock ownership plan (ESOP).

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Number of shares issued during the period as a result of the exercise of stock options.

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Value of stock issued during the period as a result of any share-based compensation plan other than an employee stock ownership plan (ESOP).

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

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Number of shares that have been repurchased during the period and are being held in treasury.

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Cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Consolidated Statement of Stockholders' Equity (Unaudited) (USD $) In Thousands	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Earnings
Balance at Dec. 31, 2010	$ 136,660	$ 458	$ (782)	$ 77,449	$ (445)	$ 59,980
Balance, shares at Dec. 31, 2010		45,811	50
Net income	24,556					24,556
Unrealized gain on hedging derivative, net of taxes of $0	(1)				(1)
Common stock purchased for treasury	(22,369)		(22,369)
Common stock purchased for treasury, Shares			1,557
Exercise of stock options	603	1		602
Exercise of stock options, shares		50
Excess tax benefits from share-based compensation	80			80
Share-based compensation	3,130			3,130
Share-based compensation, shares		4
Balance at Jun. 30, 2011	$ 142,659	$ 459	$ (23,151)	$ 81,261	$ (446)	$ 84,536
Balance, shares at Jun. 30, 2011		45,865	1,607