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Shareholders' Equity (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified |
0 Months Ended | 3 Months Ended | 6 Months Ended | 0 Months Ended | |||
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May 02, 2013
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Sep. 27, 2011
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Aug. 01, 2013
Subsequent Event [Member]
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| Stockholders' Equity Note [Abstract] | |||||||
| Shares authorized under share repurchase program | 10 | ||||||
| Dividends paid (usd per share) | $ 0.18 | ||||||
| Subsequent Event [Line Items] | |||||||
| Share repurchased and retired | 2.2 | 3.9 | |||||
| Value of shares repurchased and retired | $ 115.1 | $ 145.7 | |||||
| Outstanding common stock acquired, average price | $ 53.43 | $ 37.49 | |||||
| Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased | 1.6 | 1.6 | |||||
| Dividends declared per share | $ 0.18 | $ 0.125 | $ 0.36 | $ 0.25 | $ 0.18 | ||
| X | ||||||||||
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- Definition
Aggregate dividends paid during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Number of shares that have been repurchased and retired during the period. 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 stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. No definition available.
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- Definition
The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. No definition available.
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- Details
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| X | ||||||||||
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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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