Net Income per Share Attributable to Common Stockholders (Tables)

3 Months Ended

Apr. 30, 2017

Numerators and Denominators of the Basic and Diluted EPS Computations for Common Stock

The numerators and denominators of the basic and diluted EPS computations for our common stock are calculated as follows (in thousands, except per share data):

	Three months ended April 30,
	2017				2016
	Class A		Class B		Class A			Class B
Basic
Numerator
Net income	$	27,990	$	8,033	$	8,404		$	4,105
Undistributed earnings allocated to participating securities		—		—		(3	)		(1	)
Net income attributable to common stockholders, basic	$	27,990	$	8,033	$	8,401		$	4,104
Denominator
Weighted average shares used in computing net income per share attributable to common stockholders, basic		106,524		30,572		90,020			43,976
Net income per share attributable to common stockholders, basic	$	0.26	$	0.26	$	0.09		$	0.09

Diluted
Numerator
Net income attributable to common stockholders, basic	$	27,990	$	8,033	$	8,401		$	4,104
Reallocation as a result of conversion of Class B to Class A common stock:
Net income attributable to common stockholders, basic		8,033		—		4,104			—
Reallocation of net income to Class B common stock		—		2,587		—			675
Net income attributable to common stockholders, diluted	$	36,023	$	10,620	$	12,505		$	4,779
Denominator
Number of shares used for basic EPS computation		106,524		30,572		90,020			43,976
Conversion of Class B to Class A common stock		30,572		—		43,976			—
Effect of potentially dilutive common shares		13,960		13,960		11,712			11,712
Weighted average shares used in computing net income per share attributable to common stockholders, diluted		151,056		44,532		145,708			55,688
Net income per share attributable to common stockholders, diluted	$	0.24	$	0.24	$	0.09		$	0.09

Potential Common Share Equivalents Excluded where the Inclusion would be Anti-dilutive

Potential common share equivalents excluded where the inclusion would be anti-dilutive are as follows:

	Three months ended April 30,
	2017		2016
Options and awards to purchase shares not included in the computation of diluted net income per share because their inclusion would be anti-dilutive		559,045		1,489,703