Employee Benefit Plans (Weighted Average Assumptions Estimate The Fair Value Of Options Granted) (Details) |
12 Months Ended | ||
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Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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Share-based Compensation [Abstract] | |||
Risk-free interest rate | 2.12% | 1.43% | 1.95% |
Expected dividend yield | 2.60% | 3.86% | 3.50% |
Volatility factor | 25.80% | 30.76% | 45.40% |
Expected life of option | 7 years | 7 years | 7 years |
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- References No definition available.
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average expected volatility rate of share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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