Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Stock-Based Compensation [Abstract]

Schedule of Assumptions Used to Estimate Fair Value of Stock Options

	For the three
	months ended
	March 31, 2022
Risk free interest rate	2.53%
Dividend yield	0.9%
Expected volatility	27%
Expected lives	4.3 years

Summary of Stock Option Activity

		Weighted-		Weighted-Average
		Average		Remaining
	Number	Exercise Price		Contractual	Aggregate
	of Shares	Per Share		Life (in years)	Intrinsic Value
Outstanding at December 31, 2021	1,899	$	157.76
Granted	10	$	328.99
Exercised	(59)	$	143.16
Forfeited/canceled	(1)	$	174.28
Outstanding at March 31, 2022	1,849	$	159.13	3.1	$	341,859
Exercisable at March 31, 2022	1,572	$	153.68	3.0	$	299,265
Unvested at March 31, 2022	277	$	190.14	4.2	$	42,594

Summary of Restricted Stock Unit and Performance Based Restricted Stock Unit Activity

	RSUs			PSUs (1)
		Weighted-Average			Weighted-Average
	Number of	Grant Date Fair		Number of	Grant Date Fair
	Shares	Value per Share		Shares	Value per Share
	(in thousands)			(in thousands)
Outstanding at December 31, 2021	243	$	230.20	298	$	304.46
Granted	93	$	330.78	139	$	391.19
Vested	(110)	$	217.29	—	$	—
Forfeited/canceled	(2)	$	254.31	(1)	$	290.89
Outstanding at March 31, 2022	224	$	278.16	436	$	332.18

(1)PSUs represent the target number of shares granted that are issuable at the end of the three year performance period. Fair value for a portion of the PSUs was calculated using a Monte Carlo simulation model.