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Stockholders' Equity (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified |
1 Months Ended | 12 Months Ended | ||
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Nov. 30, 2010
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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| Stockholders Equity (Textual) [Abstract] | ||||
| Maximum amount authorized to repurchase common stock by Board of Director | $ 400.0 | $ 750.0 | ||
| Purchase of common stock, shares | 17.1 | |||
| Amount used to repurchase of common stock | 500.8 | |||
| Average cost per share of common stock | $ 29.21 | |||
| Quarterly dividend per share | $ 0.22 | |||
| Cash dividends declared | 314.1 | 298.8 | 288.7 | |
| Quarterly dividend payable | $ 81.4 | $ 76.7 | ||
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- Definition
Prospective Common Stock Dividends Per Share. No definition available.
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- Details
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- Definition
Equity impact of common stock cash dividends declared by an entity during the period. This element includes paid and unpaid dividends declared during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount authorized by an entity's Board of Directors under a stock repurchase plan. No definition available.
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- Definition
Total cost of shares repurchased divided by the total number of shares repurchased. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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