Net Income per Share (Tables)

6 Months Ended

Jul. 31, 2020

Earnings Per Share [Abstract]

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,
	2020				2019				2020				2019
	Class A		Class B		Class A		Class B		Class A		Class B		Class A		Class B
Basic
Numerator
Net income, basic	$	84,130	$	9,421	$	70,154	$	9,088	$	161,912	$	18,209	$	133,773	$	18,918
Denominator
Weighted average shares used in computing net income per share, basic	135,266		15,147		130,592		16,918		134,820		15,162		128,888		18,228
Net income per share, basic	$	0.62	$	0.62	$	0.54	$	0.54	$	1.20	$	1.20	$	1.04	$	1.04
Diluted
Numerator
Net income, basic	$	84,130	$	9,421	$	70,154	$	9,088	$	161,912	$	18,209	$	133,773	$	18,918
Reallocation as a result of conversion of Class B to Class A common stock:
Net income, basic	9,421		—		9,088		—		18,209		—		18,918		—
Reallocation of net income to Class B common stock	—		5,454		—		4,937		—		10,430		—		9,482
Net income, diluted	$	93,551	$	14,875	$	79,242	$	14,025	$	180,121	$	28,639	$	152,691	$	28,400
Denominator
Number of shares used for basic EPS computation	135,266		15,147		130,592		16,918		134,820		15,162		128,888		18,228
Conversion of Class B to Class A common stock	15,147		—		16,918		—		15,162		—		18,228		—
Effect of potentially dilutive common shares	10,427		10,427		11,165		11,165		10,327		10,327		11,223		11,223
Weighted average shares used in computing net income per share, diluted	160,840		25,574		158,675		28,083		160,309		25,489		158,339		29,451
Net income per share, diluted	$	0.58	$	0.58	$	0.50	$	0.50	$	1.12	$	1.12	$	0.96	$	0.96

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,
	2020	2019	2020	2019
Options and awards to purchase shares not included in the computation of diluted net income per share because their inclusion would be anti-dilutive	1,220,527	1,328,474	904,570	841,654