Net Income Per Share Available to Common Stock (Tables)

6 Months Ended

Jun. 30, 2020

Schedule of Basic and Diluted Net Income Per Share Available to Common Stock

The following table sets forth the computation of our basic and diluted net income per share attributable to common stockholders (in thousands, except per share amounts):



	Three Months Ended June 30,					Six Months Ended June 30,
	2020		2019			2020		2019
Numerator:
Basic:
Net income	$	144,793	$	189,251		$	283,224	$	390,280
Less: undistributed earnings allocated to participating securities	—		(99		)	—		(217		)
Net income available to common stockholders, basic	$	144,793	$	189,152		$	283,224	$	390,063
Diluted:
Net income attributable to common stockholders, basic	$	144,793	$	189,152		$	283,224	$	390,063
Add: undistributed earnings allocated to participating securities	—		6			—		13
Net income attributable to common stockholders, diluted	$	144,793	$	189,158		$	283,224	$	390,076
Denominator:
Basic:
Weighted-average shares used in computing net income per share available to common stockholders, basic	75,808		76,552			76,036		76,238
Diluted:
Weighted-average shares used in computing net income per share available to common stockholders, basic	75,808		76,552			76,036		76,238
Add weighted-average effect of dilutive securities:
Stock options and RSUs	3,486		4,775			3,580		5,025
Employee stock purchase plan	4		8			4		8
Weighted-average shares used in computing net income per share available to common stockholders, diluted	79,298		81,335			79,620		81,271
Net income per share attributable to common stockholders:
Basic	$	1.91	$	2.47		$	3.72	$	5.12
Diluted	$	1.83	$	2.33		$	3.56	$	4.80

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following weighted-average outstanding shares of common stock equivalents were excluded from the computation of diluted net income per share attributable to common stockholders for the periods presented because including them would have been anti-dilutive (in thousands):



	Three Months Ended June 30,		Six Months Ended June 30,
	2020	2019	2020	2019
Stock options and RSUs to purchase common stock	334	195	467	179
Employee stock purchase plan	149	31	159	68
Total	483	226	626	247