Share-Based Compensation (Schedule of Additional Selected Information on Stock Options) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding stock options, Number of shares (in shares)	1,420,378	1,262,366	1,328,144	1,683,657
Outstanding stock options, Weighted average exercise price (in dollars per share)	$ 52.83	$ 50.75	$ 44.60	$ 38.26
Outstanding stock options, Weighted average remaining contractual life (in years)	3 years 8 months 12 days
Exercisable stock options, Number of shares (in shares)	891,884	729,411	693,883
Exercisable stock options, Weighted average exercise price (in dollars per share)	$ 50.36	$ 46.02	$ 41.54
Stock options without a fixed expiration date (in shares)	5,223
$4.15 to $19.99
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, lower range limit (in dollars per share)	$ 4.15
Exercise price range, upper range limit (in dollars per share)	$ 19.99
Outstanding stock options, Number of shares (in shares)	5,223
Outstanding stock options, Weighted average exercise price (in dollars per share)	$ 6.41
Outstanding stock options, Weighted average remaining contractual life (in years)	0 years
Exercisable stock options, Number of shares (in shares)	5,223
Exercisable stock options, Weighted average exercise price (in dollars per share)	$ 6.41
$25.00 to $29.99
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, lower range limit (in dollars per share)	25.00
Exercise price range, upper range limit (in dollars per share)	$ 29.99
Outstanding stock options, Number of shares (in shares)	452
Outstanding stock options, Weighted average exercise price (in dollars per share)	$ 29.12
Outstanding stock options, Weighted average remaining contractual life (in years)	3 years 9 months 18 days
Exercisable stock options, Number of shares (in shares)	452
Exercisable stock options, Weighted average exercise price (in dollars per share)	$ 29.12
$40.00 to $44.99
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, lower range limit (in dollars per share)	40.00
Exercise price range, upper range limit (in dollars per share)	$ 44.99
Outstanding stock options, Number of shares (in shares)	73,077
Outstanding stock options, Weighted average exercise price (in dollars per share)	$ 44.18
Outstanding stock options, Weighted average remaining contractual life (in years)	2 months 12 days
Exercisable stock options, Number of shares (in shares)	73,077
Exercisable stock options, Weighted average exercise price (in dollars per share)	$ 44.18
$45.00 to $49.99
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, lower range limit (in dollars per share)	45
Exercise price range, upper range limit (in dollars per share)	$ 49.99
Outstanding stock options, Number of shares (in shares)	558,629
Outstanding stock options, Weighted average exercise price (in dollars per share)	$ 47.34
Outstanding stock options, Weighted average remaining contractual life (in years)	3 years 7 months 6 days
Exercisable stock options, Number of shares (in shares)	446,660
Exercisable stock options, Weighted average exercise price (in dollars per share)	$ 47.01
$50.00 to $59.99
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, lower range limit (in dollars per share)	50.00
Exercise price range, upper range limit (in dollars per share)	$ 59.99
Outstanding stock options, Number of shares (in shares)	587,155
Outstanding stock options, Weighted average exercise price (in dollars per share)	$ 52.78
Outstanding stock options, Weighted average remaining contractual life (in years)	3 years 9 months 18 days
Exercisable stock options, Number of shares (in shares)	301,194
Exercisable stock options, Weighted average exercise price (in dollars per share)	$ 52.67
$60.00 to $73.22
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, lower range limit (in dollars per share)	60.00
Exercise price range, upper range limit (in dollars per share)	$ 73.22
Outstanding stock options, Number of shares (in shares)	195,842
Outstanding stock options, Weighted average exercise price (in dollars per share)	$ 73.19
Outstanding stock options, Weighted average remaining contractual life (in years)	5 years
Exercisable stock options, Number of shares (in shares)	65,278
Exercisable stock options, Weighted average exercise price (in dollars per share)	$ 73.19