Annual report pursuant to Section 13 and 15(d)

Earnings per Share (Schedule of Earnings per Share, Basic and Diluted) (Details)

v3.20.4
Earnings per Share (Schedule of Earnings per Share, Basic and Diluted) (Details) - $ / shares
shares in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Earnings Per Share [Abstract]                      
Weighted Average Number of Shares Outstanding, Basic                 66,376 67,837 69,614
Effect of dilutive stock options and restricted stock units                 396 656 787
Weighted Average Number of Shares Outstanding, Diluted, Total                 66,772 68,493 70,401
Earnings Per Share, Basic $ 1.45 $ 0.95 $ (0.77) $ 0.00 $ 1.69 $ 1.76 $ 0.34 $ 1.09 $ 1.63 $ 4.87 $ 3.85
Earnings Per Share, Diluted $ 1.44 $ 0.94 $ (0.77) $ 0.00 $ 1.67 $ 1.75 $ 0.34 $ 1.07 $ 1.62 $ 4.83 $ 3.81