Earnings Per Share (Schedule Of Reconciliation Of Shares Outstanding For Basic And Diluted Earnings Per Share) (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Shares outstanding for basic earnings per share:
Shares outstanding for basic earnings per share (in shares)	83,623	85,200	85,342
Shares outstanding for diluted earnings per share:
Shares outstanding for basic earnings per share (in shares)	83,623	85,200	85,342
Dilutive effect of share-based payment awards (in shares)	977	1,372	1,380
Shares outstanding for diluted earnings per share (in shares)	84,600	86,572	86,722