Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Valuation Assumptions) (Details)

v3.19.3.a.u2
Stock-Based Compensation (Valuation Assumptions) (Details) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Share-based Payment Arrangement [Abstract]    
Granted (in dollars per share) $ 10.46 $ 11.72
Grant date strike price (in dollars per share) $ 52.44 $ 61.40
Expected volatility 22.24% 22.72%
Expected life 6 years 3 months 4 years 3 months
Risk-free interest rate 2.63% 2.73%
Projected dividend yield 2.21% 1.63%