CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND OTHER COMPREHENSIVE INCOME (Parenthetical) - $ / shares |
12 Months Ended | |
|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2015 |
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| Cash dividends (in dollars per share) | $ 1.56 | $ 1.16 |
| Common Stock Repurchase Program | ||
| Treasury stock purchased under the share repurchase program (in dollars per share) | $ 143.88 | $ 76.55 |
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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 | ||||||||||
- 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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| X | ||||||||||
- Details
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