Options and Awards Valuation Assumptions (Details) - shares shares in Thousands |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
|
Fair Value Assumptions and Methodology | ||||
Options Granted | 103 | 109 | 383 | 397 |
Weighted Average Risk-Free Rate | 1.88% | 1.29% | 1.94% | 1.37% |
Expected Life | 6 years 1 month 25 days | 6 years 2 months 35 days | 6 years 2 months | 6 years 2 months 35 days |
Weighted Average Volatility | 35.40% | 35.90% | 35.70% | 38.30% |
Weighted Average Dividend Yield | 0.84% | 0.84% | 0.84% | 0.80% |