Earnings Per Share (Reconciliation of Shares Outstanding) (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share [Abstract]
Shares outstanding for basic earnings per share (in shares)	85,200	85,342	86,115
Dilutive effect of share-based payment awards (in shares)	1,372	1,380	1,427
Shares outstanding for diluted earnings per share (in shares)	86,572	86,722	87,542