Net Income Per Share Attributable to Common Stockholders (Tables)

12 Months Ended

Jan. 31, 2021

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Net Income (Loss) 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:

		Year Ended January 31,
		2021				2020				2019
		Class A		Class B		Class A		Class B		Class A		Class B
Numerator:	(in thousands, except share and per share data)
Net income		$	432,968	$	239,348	$	5,450	$	19,855	$	—	$	7,584
Less: undistributed earnings attributable to participating securities		—		(789)		—		(3,555)		—		(7,584)
Net income attributable to common stockholders, basic		$	432,968	$	238,559	$	5,450	$	16,300	$	—	$	0
Reallocation of net income attributable to common stockholders		(14,321)		14,321		(439)		439		—		0
Net income attributable to common stockholders, diluted		$	418,647	$	252,880	$	5,011	$	16,739	$	—	$	0
Denominator:
Weighted-average shares used in computing net income per share attributable to common stockholders, basic		183,015,245		100,838,409		58,541,269		175,100,067		—		84,483,094
Weighted-average shares used in computing net income per share attributable to common stockholders, diluted		185,860,412		112,267,257		58,583,874		195,714,140		—		116,005,681
Net income per share attributable to common stockholders, basic		$	2.37	$	2.37	$	0.09	$	0.09	$	—	$	0.00
Net income per share attributable to common stockholders, diluted		$	2.25	$	2.25	$	0.09	$	0.09	$	—	$	0.00

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:

	Year Ended January 31,
	2021		2020		2019
	Class A	Class B	Class A	Class B	Class A	Class B
Outstanding stock options	51,444	—	141,782	—	—	3,541,878
Unvested RSUs	98,941	—	606,971	—	—	—
Purchase rights committed under the ESPP	14,951	—	1,180,664	—	—	—
Total	165,336	—	1,929,417	—	—	3,541,878