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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND COMPREHENSIVE INCOME (Parenthetical) (USD $)
In Millions, except Share data, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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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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| Cash dividends, per share | $ 0.64 | $ 0.28 | $ 0.16 |
| Common stock authorized amount for future purchases | $ 112.1 | ||
| Shares reclassified from Stock Held by Employee Benefits Trusts to Treasury Stock | 426,533 | ||
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Common Stock Repurchase Program
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| Treasury stock purchased, per share | $ 34.19 | $ 32.28 | $ 26.41 |
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Shares held in trust
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| Treasury stock purchased, per share | $ 29.29 | ||
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Executive Life Insurance Benefit Trust
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| Shares reclassified from Stock Held by Employee Benefits Trusts to Treasury Stock | 1,500,000 | ||
| X | ||||||||||
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- Definition
Common Stock Shares Held in Treasury No definition available.
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| 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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| X | ||||||||||
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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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| 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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