Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share

Computation of basic and diluted earnings per share

	For the Three Months Ended
	March 31,
	2020		2019
Numerator (basic and diluted):
Net income	$	300,438	$	321,152
Denominator:
Weighted-average common shares outstanding – basic		75,022		78,484
Effect of stock options (1)		641		813
Weighted-average common shares outstanding – assuming dilution		75,663		79,297
Earnings per share:
Earnings per share-basic	$	4.00	$	4.09
Earnings per share-assuming dilution	$	3.97	$	4.05
Antidilutive potential common shares not included in the calculation of diluted earnings per share:
Stock options (1)		349		176
Weighted-average exercise price per share of antidilutive stock options (1)	$	377.41	$	347.98

(1) See Note 11 for further information concerning the terms of the Company’s share-based compensation plans.