Condensed Consolidated Statement of Stockholders' Equity (Unaudited) (USD $) In Thousands | Total | Common Stock | Additional Paid-In Capital | Treasury Stock | Retained Earnings | Accumulated Other Comprehensive Income (Loss) |
|---|---|---|---|---|---|---|
| Balance at Dec. 31, 2010 | $ 426,829 | $ 23 | $ 298,405 | $ (1,469) | $ 119,400 | $ 10,470 |
| Balance, shares at Dec. 31, 2010 | 23,319 | (63) | ||||
| Stock-based compensation | 5,062 | 5,062 | ||||
| Net shares issued under stock incentive plans, shares | 104 | 18 | ||||
| Net shares issued under stock incentive plans | 2,179 | 1,758 | 421 | |||
| Income tax liability from stock options, restricted stock and restricted stock units | (119) | (119) | ||||
| Net income | 27,483 | 27,483 | ||||
| Total other comprehensive income (loss) | 2,491 | 2,491 | ||||
| Balance at Sep. 30, 2011 | $ 463,925 | $ 23 | $ 305,106 | $ (1,048) | $ 146,883 | $ 12,961 |
| Balance, shares at Sep. 30, 2011 | 23,423 | (45) |
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- Definition 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". Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Tax benefit associated with any equity-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). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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