Share-Based Compensation (Schedule Of Stock Options Activity) (Details) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) $ / shares shares
Share-based Payment Arrangement [Abstract]
Outstanding at beginning of year, number of shares | shares	4,670
Outstanding at beginning of year, weighted-average exercise price | $ / shares	$ 59.61
Exercised, number of shares | shares	(1,093)
Exercised, weighted-average exercise price | $ / shares	$ 57.27
Forfeited and expired, number of shares | shares	(74)
Forfeited and expired, weighted-average exercise price | $ / shares	$ 62.77
Outstanding end of year, number of shares | shares	3,503
Outstanding at end of year, weighted-average exercise price | $ / shares	$ 60.27
Outstanding at end of year, aggregate intrinsic value | $	$ 116,608
Outstanding at end of year, weighted-average remaining contractual term	4 years 8 months 26 days
Exercisable at end of year, number of shares | shares	2,322
Exercisable at end of year, weighted-average exercise price | $ / shares	$ 59.59
Exercisable at end of year, aggregate intrinsic value | $	$ 78,862
Exercisable at end of year, weighted-average remaining contractual term	4 years 1 month 9 days