Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of weighted averages of the assumptions used in estimating the fair value of stock option awards

The weighted averages of the valuation assumptions used to determine the fair value of each option award on the date of grant and the weighted average estimated fair values were as follows:

	For the Three Months Ended March 31,
	2020			2019
Share price at grant	$	288.78		$	206.94
Expected stock price volatility	27		%	26		%
Expected term, in years	6.0			6.0
Risk-free interest rate	1.5		%	2.5		%
Weighted average fair value of options granted	$	84.21		$	63.55