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Stockholders' Equity (Details) (USD $)
In Millions, except Share data |
1 Months Ended | 6 Months Ended | 7 Months Ended | 1 Months Ended |
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Oct. 11, 2011
Class A Common Stock [Member]
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Aug. 31, 2011
Class A Common Stock [Member]
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Oct. 11, 2011
Class A Common Stock [Member]
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Apr. 30, 2011
Class A and Class B Common Stock [Member]
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| Stockholders' Equity (Textuals) | ||||
| Maximum authorized repurchase of common stock | $ 500.0 | |||
| Common stock repurchased, shares | 4,751,600 | 9,766,888 | 14,518,488 | |
| Common stock repurchased | $ 85.7 | $ 187.5 | $ 273.2 | |
| Average cost of common stock repurchased | $ 18.02 | $ 19.20 | $ 18.82 |
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- Definition
Stockholders Equity Textuals Abstract.
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- Definition
The amount authorized by an entity's Board of Directors under a stock repurchase plan.
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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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