Net Income Per Common Share (Schedule Of Earnings Per Share) (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Net Income Per Common Share [Abstract]
Average common shares outstanding during the period for basic computation	274,021	266,767	273,656	265,135
Effect of dilutive securities:
Employee stock-based compensation	522	409	471	553
Average common shares outstanding during the period for diluted computation	274,543	267,176	274,127	265,688