Net Income per Share (Tables)

12 Months Ended

Jan. 31, 2022

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 net income per share computations for our common stock are calculated as follows (in thousands, except per share data):

	Fiscal year ended January 31,
	2022				2021				2020
	Class A		Class B		Class A		Class B		Class A		Class B
Basic
Numerator
Net income, basic	$	386,180	$	41,210	$	341,866	$	38,132	$	266,104	$	35,014
Denominator
Weighted average shares used in computing net income per share, basic	138,474		14,777		135,547		15,119		130,610		17,186
Net income per share, basic	$	2.79	$	2.79	$	2.52	$	2.52	$	2.04	$	2.04
Diluted
Numerator
Net income, basic	$	386,180	$	41,210	$	341,866	$	38,132	$	266,104	$	35,014
Reallocation as a result of conversion of Class B to Class A common stock:
Net income, basic	41,210		—		38,132		—		35,014		—
Reallocation of net income to Class B common stock	—		21,480		—		21,409		—		17,652
Net income, diluted	$	427,390	$	62,690	$	379,998	$	59,541	$	301,118	$	52,666
Denominator
Number of shares used for basic net income per share computation	138,474		14,777		135,547		15,119		130,610		17,186
Conversion of Class B to Class A common stock	14,777		—		15,119		—		17,186		—
Effect of potentially dilutive common shares	9,026		9,026		10,066		10,066		10,500		10,500
Weighted average shares used in computing net income per share, diluted	162,277		23,803		160,732		25,185		158,296		27,686
Net income per share, diluted	$	2.63	$	2.63	$	2.36	$	2.36	$	1.90	$	1.90

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:

	Fiscal year ended January 31,
	2022	2021	2020
Options and awards to purchase shares not included in the computation of diluted net income per share because their inclusion would be anti-dilutive	958,476	1,045,222	1,461,255