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Consolidated Statements of Stockholders' Equity (USD $)
In Thousands |
Total
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Common Stock [Member]
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Additional Paid-In Capital [Member]
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Retained Earnings [Member]
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Unrealized Investment Gains (Losses) [Member]
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Currency Translation Adjustments [Member]
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Net Pension Asset [Member]
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Accumulated Other Comprehensive Income [Member]
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Treasury Stock [Member]
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Noncontrolling Interests [Member]
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|---|---|---|---|---|---|---|---|---|---|---|
| Beginning of period at Dec. 31, 2010 | $ 47,024 | $ 935,099 | $ 4,143,207 | $ 334,747 | $ (42,488) | $ (15,696) | $ (1,750,494) | $ 6,980 | ||
| Stock options exercised and restricted units issued, net of tax | (26,914) | |||||||||
| Restricted stock units expensed | 18,855 | |||||||||
| Stock issued to directors | 308 | 564 | ||||||||
| Net income to common stockholders | 274,086 | 274,184 | ||||||||
| Dividends | (32,274) | |||||||||
| Unrealized gains on securities not other-than-temporarily impaired | 79,435 | |||||||||
| Unrealized gains (losses) on other-than-temporarily impaired securities | (1,271) | |||||||||
| Net change in period | (21,104) | (21,104) | ||||||||
| Net change in period | 2,118 | 2,118 | ||||||||
| Stock exercised/vested | 40,571 | |||||||||
| Stock repurchased | (177,648) | |||||||||
| Contributions | 522 | |||||||||
| Net loss (income) | 98 | (98) | ||||||||
| Other comprehensive income, net of tax | 59,189 | 11 | ||||||||
| End of period at Sep. 30, 2011 | 47,024 | 927,348 | 4,385,117 | 412,911 | (63,592) | (13,578) | 335,741 | (1,887,007) | 7,415 | |
| Beginning of period at Dec. 31, 2011 | 3,960,882 | 47,024 | 941,109 | 4,491,162 | 430,419 | (61,239) | (14,329) | (1,880,790) | 7,526 | |
| Stock options exercised and restricted units issued, net of tax | (24,683) | |||||||||
| Restricted stock units expensed | 20,035 | |||||||||
| Stock issued to directors | 454 | 581 | ||||||||
| Net income to common stockholders | 345,144 | 345,103 | ||||||||
| Dividends | (35,728) | |||||||||
| Unrealized gains on securities not other-than-temporarily impaired | 123,579 | |||||||||
| Unrealized gains (losses) on other-than-temporarily impaired securities | 2,870 | |||||||||
| Net change in period | 24,382 | 24,382 | ||||||||
| Net change in period | 2,470 | 2,470 | ||||||||
| Stock exercised/vested | 40,137 | |||||||||
| Stock repurchased | (128,155) | |||||||||
| Contributions | 1,808 | |||||||||
| Net loss (income) | (41) | 41 | ||||||||
| Other comprehensive income, net of tax | 153,372 | 71 | ||||||||
| End of period at Sep. 30, 2012 | $ 4,333,847 | $ 47,024 | $ 936,915 | $ 4,800,537 | $ 556,868 | $ (36,857) | $ (11,859) | $ 508,152 | $ (1,968,227) | $ 9,446 |
| X | ||||||||||
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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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| X | ||||||||||
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- Definition
Equity impact of aggregate cash, stock, and paid-in-kind dividends declared for all securities (common shares, preferred shares, etc.) during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The portion of net Income or Loss attributable to the noncontrolling interest (if any) deducted in order to derive the portion attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The accumulated change in the value of either the projected benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost, after tax. 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 the reporting currency of the reporting entity, net of tax. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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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| X | ||||||||||
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- Definition
The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Total of Stockholders' Equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity including portions attributable to both the parent and noncontrolling interests (previously referred to as minority interest), if any. The entity including portions attributable to the parent and noncontrolling interests is sometimes referred to as the economic entity. This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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
Equity impact of the value of treasury stock (units) reissued during the period, excluding reissuance of shares (units) held in treasury used to satisfy equity-based compensation obligations exercised by the holders of such rights. Upon reissuance of shares (units) from treasury, either the common or preferred stock (unit) reissued is outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Minority Interest Contribution from Distributions To Noncontrolling Interest Holders. No definition available.
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| X | ||||||||||
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- Definition
Unrealized gain (losses) on other-than-temporarily impaired securities. No definition available.
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| X | ||||||||||
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- Definition
Unrealized gain (losses) on securities not other-than-temporarily impaired. No definition available.
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