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Subsequent Events (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified |
3 Months Ended |
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Mar. 31, 2012
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| Subsequent Events [Abstract] | |
| Dividends declared date | Apr. 24, 2012 |
| Cash dividend | $ 0.72 |
| Dividends payable date | Jun. 18, 2012 |
| Dividends record date | Jun. 08, 2012 |
| Treasury Stock, Shares, Retired | 19 |
| X | ||||||||||
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- Definition
The day, month, and year (YYYY-MM-DD) that the dividend declared as of or prior to the financial reporting date will be paid in the subsequent period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The per share amount of a dividend declared, but not paid, as of the financial reporting date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The day, month and year (YYYY-MM-DD) that the dividend to be paid was declared. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The date as of when a holder must own the stock to be entitled to the dividend. The ex-dividend date is generally 3 days before the record date. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Number of shares of common and preferred stock retired from treasury during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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