Earnings Per Share (Schedule Of Reconciliation Of Shares Outstanding For Basic And Diluted Earnings Per Share) (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Shares outstanding for basic earnings per share:
Shares outstanding for basic earnings per share (in shares)	83,922	85,325	84,164	85,427
Shares outstanding for diluted earnings per share:
Shares outstanding for basic earnings per share (in shares)	83,922	85,325	84,164	85,427
Dilutive effect of share-based payment awards (in shares)	936	1,329	1,058	1,367
Shares outstanding for diluted earnings per share (in shares)	84,858	86,654	85,222	86,794