EARNINGS PER SHARE (Tables)

3 Months Ended

Mar. 31, 2021

Earnings Per Share

Computation of basic and diluted earnings per share

	For the Three Months Ended
	March 31,
	2021		2020
Numerator (basic and diluted):
Net income	$	501,609	$	300,438
Denominator:
Weighted-average common shares outstanding – basic		70,383		75,022
Effect of stock options (1)		632		641
Weighted-average common shares outstanding – assuming dilution		71,015		75,663
Earnings per share:
Earnings per share-basic	$	7.13	$	4.00
Earnings per share-assuming dilution	$	7.06	$	3.97
Antidilutive potential common shares not included in the calculation of diluted earnings per share:
Stock options (1)		211		349
Weighted-average exercise price per share of antidilutive stock options (1)	$	437.90	$	377.41

(1) See Note 10 for further information concerning the terms of the Company’s share-based compensation plans.