Net Loss Per Share (Tables)

6 Months Ended

Jul. 31, 2018

Earnings Per Share [Abstract]

Summary of Computation of Basic and Diluted Net Loss Per Share

The following table sets forth the computation of basic and diluted net loss per share (in thousands, except per share amounts):

	Three Months Ended July 31,
	2018						2017
	Class A			Class B			Class A			Class B
Numerator:
Net loss	$	(37,001	)	$	(1,084	)	$	(27,909	)	$	(11,376	)
Denominator:
Weighted-average number of shares outstanding—    basic and diluted		136,712			4,006			94,471			38,510
Net loss per share—basic and diluted	$	(0.27	)	$	(0.27	)	$	(0.30	)	$	(0.30	)
	Six Months Ended July 31,
	2018						2017
	Class A			Class B			Class A			Class B
Numerator:
Net loss	$	(70,718	)	$	(4,004	)	$	(50,163	)	$	(29,208	)
Denominator:
Weighted-average number of shares outstanding—basic    and diluted		132,156			7,483			83,574			48,663
Net loss per share—basic and diluted	$	(0.54	)	$	(0.54	)	$	(0.60	)	$	(0.60	)

Summary of Weighted Average Outstanding Shares Excluded from Computation of Diluted Net Loss per Share

The following weighted-average outstanding shares of common stock equivalents were excluded from the computation of diluted net loss per share for the periods presented because the impact of including them would have been antidilutive (in thousands):

	Three Months Ended July 31,				Six Months Ended July 31,
	2018		2017		2018		2017
Options to purchase common stock		10,085		12,345		10,301		12,267
Restricted stock units		15,095		13,624		14,313		13,088
Employee stock purchase plan		2,173		1,989		1,841		2,075
Repurchasable shares from early-exercised options and    unvested restricted stock		—		214		—		227
Contingently issuable common stock		—		54		—		56
		27,353		28,226		26,455		27,713