Computation of Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table reconciles net income and the weighted-average shares used in computing basic and diluted earnings per share (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Numerator:
Net income used for basic earnings per share	$	232,268	$	16,181	$	340,157	$	42,295
Interest expense on Convertible Senior Notes, net of tax	107		180		457		1,669
Net income used for diluted earnings per share, if-converted method	$	232,375	$	16,361	$	340,614	$	43,964
Basic weighted-average common shares outstanding	42,105		41,642		42,093		40,520
Dilutive potential shares issuable from Convertible Senior Notes	218		410		340		1,282
Dilutive potential shares issuable from stock options and unvested RSUs	1,273		1,154		1,149		1,249
Diluted weighted-average common shares outstanding, if-converted	43,596		43,206		43,582		43,051
Potentially dilutive shares excluded from calculation due to anti-dilutive effect	7		223		4		198

Potentially dilutive shares excluded from the calculation above represent stock options when the combined exercise price and unrecognized stock-based compensation are greater than the average market price for the Company’s common stock because their effect is anti-dilutive.