Share-Based Compensation - Schedule of Weighted Average Option Fair Values and Assumptions (Details) - Stock Option - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair value of grants (in dollars per share)	$ 45.44	$ 31.60	$ 38.86	$ 34.22
Dividend yield	0.96%	1.18%	1.01%	1.15%
Volatility	24.60%	23.71%	23.77%	22.04%
Risk-free interest rate, minimum	0.71%	0.14%	0.12%	1.40%
Risk-free interest rate, maximum	0.82%	0.70%	1.54%	1.66%
Expected life (in years)	4 years 10 months 24 days	5 years 9 months 21 days	5 years 8 months 12 days	5 years 9 months 18 days