Earnings Per Share (Schedule Of Reconciliation Of Shares Outstanding For Basic And Diluted Earnings Per Share) (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Shares outstanding for basic earnings per share:
Shares outstanding for basic earnings per share (in shares)	83,097	83,247	83,058	83,855
Shares outstanding for diluted earnings per share:
Shares outstanding for basic earnings per share (in shares)	83,097	83,247	83,058	83,855
Dilutive effect of share-based payment awards (in shares)	896	866	932	1,003
Shares outstanding for diluted earnings per share (in shares)	83,993	84,113	83,990	84,858