Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of type and fair value of the stock-based compensation awards granted during the period

The following table illustrates the type and fair value of the stock-based compensation awards granted during the three months ended March 31, 2020 and 2019, respectively:

	Three Months Ended March 31, 2020					Three Months Ended March 31, 2019
	Shares Granted	Weighted-Average Fair Value Per Share		Weighted-Average Grant Date Stock Price		Shares Granted	Weighted-Average Fair Value Per Share		Weighted-Average Grant Date Stock Price
Stock options	1,913,888	$	25.98	$	127.60	1,499,524	$	40.98	$	138.35
RSUs	705,287	$	127.60	$	127.60	657,389	$	138.35	$	138.35
PRSUs	371,641	$	127.60	$	127.60	342,097	$	138.35	$	138.35

Schedule providing assumptions used in determining the fair value of stock-based awards

The following table provides the assumptions used in determining the fair value of the stock-based awards for the three months ended March 31, 2020 and 2019, respectively:

	Grant Year
	2020	2019
Weighted-average dividend yield	2.47%	2.56%
Weighted-average volatility	25.7%	29.1%
Range of volatilities	24.5-29.7%	25.1-38.7%
Range of risk-free interest rates	1.21-1.39%	2.48-2.68%
Weighted-average expected lives	8 years	7 years