Earnings per Share (Schedule of Earnings per Share, Basic and Diluted) (Details) - $ / shares shares in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share [Abstract]
Weighted Average Number of Shares Outstanding, Basic	64,273	66,363
Effect of dilutive stock options and restricted stock units	318	522
Weighted Average Number of Shares Outstanding, Diluted, Total	64,591	66,885
Earnings Per Share, Basic	$ 1.04	$ 0.84
Earnings Per Share, Diluted	$ 1.03	$ 0.84