Net Income Per Share Attributable to Common Stockholders (Tables)

6 Months Ended

Jul. 31, 2020

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Net Income Per Share

The following table sets forth the computation of basic and diluted net income per share attributable to common stockholders for the periods presented:

	Three Months Ended July 31,								Six Months Ended July 31,
	2020				2019				2020				2019
	Class A		Class B		Class A		Class B		Class A		Class B		Class A		Class B
Numerator:	(in thousands, except share and per share data)
Net income	$	122,474	$	63,515	$	751	$	4,790	$	125,297	$	87,767	$	592	$	7,163
Less: Undistributed earnings attributable to participating securities	—		(247)		—		(20)		—		(305)		—		(2,794)
Net income attributable to common stockholders, basic	$	122,474	$	63,268	$	751	$	4,770	$	125,297	$	87,462	$	592	$	4,369
Reallocation of net income attributable to common stockholders	(4,343)		4,343		(50)		50		(4,824)		4,824		(64)		64
Net income attributable to common stockholders, diluted	$	118,131	$	67,611	$	701	$	4,820	$	120,473	$	92,286	$	528	$	4,433
Denominator:
Weighted-average shares used in computing net income per share attributable to common stockholders, basic	186,505,788		96,345,017		36,950,454		234,862,687		165,718,132		115,676,769		22,908,474		169,222,036
Weighted-average shares used in computing net income per share attributable to common stockholders, diluted	188,994,684		108,167,625		37,120,969		255,064,696		167,839,216		128,569,013		22,977,562		192,797,057
Net income per share attributable to common stockholders, basic	$	0.66	$	0.66	$	0.02	$	0.02	$	0.76	$	0.76	$	0.03	$	0.03
Net income per share attributable to common stockholders, diluted	$	0.63	$	0.63	$	0.02	$	0.02	$	0.72	$	0.72	$	0.02	$	0.02

Summary of Potential Shares of Common Stock Excluded from Computation of Diluted Net Income Per Share Attributable to Common Stockholders

The potential shares of common stock that 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 are as follows:

	Three Months Ended July 31,				Six Months Ended July 31,
	2020		2019		2020		2019
	Class A	Class B	Class A	Class B	Class A	Class B	Class A	Class B
Outstanding stock options	—	—	116,649	—	—	—	59,291	—
Unvested RSUs	85,596	—	153,751	—	598,728	—	78,150	—
Purchase rights committed under the ESPP	35,996	—	23,509	—	18,196	—	11,949	—
Total	121,592	—	293,909	—	616,924	—	149,390	—