Net Income per Share Attributable to Common Stockholders (Tables)

6 Months Ended

Jul. 31, 2019

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 July 31,								Six months ended July 31,
	2019				2018				2019				2018
	Class A		Class B		Class A		Class B		Class A		Class B		Class A		Class B
Basic
Numerator
Net income	$	70,154	$	9,088	$	42,326	$	7,960	$	133,773	$	18,918	$	79,137	$	15,459
Undistributed earnings allocated to participating securities	—		—		—		—		—		—		—		—
Net income attributable to common stockholders, basic	$	70,154	$	9,088	$	42,326	$	7,960	$	133,773	$	18,918	$	79,137	$	15,459
Denominator
Weighted average shares used in computing net income per share attributable to common stockholders, basic	130,592		16,918		120,994		22,754		128,888		18,228		119,857		23,414
Net income per share attributable to common stockholders, basic	$	0.54	$	0.54	$	0.35	$	0.35	$	1.04	$	1.04	$	0.66	$	0.66
Diluted
Numerator
Net income attributable to common stockholders, basic	$	70,154	$	9,088	$	42,326	$	7,960	$	133,773	$	18,918	$	79,137	$	15,459
Reallocation as a result of conversion of Class B to Class A common stock:
Net income attributable to common stockholders, basic	9,088		—		7,960		—		18,918		—		15,459		—
Reallocation of net income to Class B common stock	—		4,937		—		3,177		—		9,482		—		6,096
Net income attributable to common stockholders, diluted	$	79,242	$	14,025	$	50,286	$	11,137	$	152,691	$	28,400	$	94,596	$	21,555
Denominator
Number of shares used for basic EPS computation	130,592		16,918		120,994		22,754		128,888		18,228		119,857		23,414
Conversion of Class B to Class A common stock	16,918		—		22,754		—		18,228		—		23,414		—
Effect of potentially dilutive common shares	11,165		11,165		11,668		11,668		11,223		11,223		11,956		11,956
Weighted average shares used in computing net income per share attributable to common stockholders, diluted	158,675		28,083		155,416		34,422		158,339		29,451		155,227		35,370
Net income per share attributable to common stockholders, diluted	$	0.50	$	0.50	$	0.32	$	0.32	$	0.96	$	0.96	$	0.61	$	0.61

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 July 31,		Six months ended July 31,
	2019	2018	2019	2018
Options and awards to purchase shares not included in the computation of diluted net income per share because their inclusion would be anti-dilutive	1,328,474	3,157,436	841,654	3,123,695