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Condensed Consolidated Statements of Changes in Shareholders' Equity (USD $)
In Thousands, except Share data, unless otherwise specified |
Total
USD ($)
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Preferred Stock
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Common Stock
USD ($)
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Additional Paid-In Capital
USD ($)
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Retained Earnings
USD ($)
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Accumulated Other Comprehensive Income
USD ($)
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|---|---|---|---|---|---|---|
| Balance at Dec. 31, 2011 | $ 1,971,631 | $ 756 | $ 1,385,355 | $ 583,202 | $ 2,318 | |
| Balance (in shares) at Dec. 31, 2011 | 12,275 | 76,213,126 | ||||
| Increase (Decrease) in Shareholders' Equity | ||||||
| Stock option activity, including tax benefit of $1,479 | 12,921 | 2 | 12,919 | |||
| Stock option activity (in shares) | 214,632 | |||||
| Restricted stock activity | 1,109 | 1,109 | ||||
| Restricted stock activity (in shares) | (4,076) | |||||
| Change in fair value of corporate debt securities | (70) | (70) | ||||
| Foreign currency translation adjustment | 288 | 288 | ||||
| Net income | 78,619 | 78,619 | ||||
| Balance at Mar. 31, 2012 | $ 2,064,498 | $ 758 | $ 1,399,383 | $ 661,821 | $ 2,536 | |
| Balance (in shares) at Mar. 31, 2012 | 12,275 | 76,423,682 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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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
Gross appreciation or the gross loss in value of the total unsold securities, after tax, attributable to the parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity, net of tax, attributable to the parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares issued and outstanding as of the balance sheet date. No definition available.
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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 issued during the period related to Restricted Stock Awards, net of any shares forfeited. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Value of stock related to Restricted Stock Awards issued during the period, net of the stock value of such awards forfeited. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Value stock issued during the period as a result of the exercise of stock options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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