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Stock-Based Compensation Plans (Tables)

12 Months Ended

Jan. 31, 2025

Stock-Based Compensation Plans

Schedule of estimated stock-based compensation expense recognized in condensed consolidated statement of operations

​

​	​	​	​	​	​	​
​		January 31,		January 31,		January 31,
Year Ended	​	2025	​	2024	​	2023
Cost of revenues		1,407		1,128		940
Sales and marketing		6,440		5,197		2,468
Research and development		2,744		2,138		1,788
General and administrative		9,371		8,017		8,471
Effect on net income		19,962		16,480		13,667

Schedule of weighted-average assumptions

​

​	​	​	​	​	​	​
​		January 31,		January 31,		January 31,
Year Ended	​	2025	​	2024	​	2023
​	​	​	​	​	​	​
Expected dividend yield (%)		—		—	​	—
Expected volatility (%)		30.0		30.8	​	29.2
Risk-free rate (%)		3.6		3.2	​	2.4
Expected option life (years)		5		5	​	5

Schedule of stock option activity

​

​	​	​	​	​	​	​	​	​	​	​
​		​		​			Weighted-		​
​	​	Number of	​	Weighted-		​	Average	​	Aggregate
​	​	Stock	​	Average		​	Remaining	​	Intrinsic
​	​	Options	​	Exercise		​	Contractual	​	Value
​	​	Outstanding	​	Price		​	Life (years)	​	(in millions)
Balance at January 31, 2023	​	1,593,433	​	$	45.54	​	4.1	​	$	45.7
Granted	​	278,845	​	$	79.80	​	​	​	​	​
Exercised	​	(285,808)	​	$	33.06	​	​	​	​	​
Forfeited	​	(17,919)	​	$	62.30	​	​	​	​	​
Balance at January 31, 2024		1,568,551	​	$	52.31		3.9	​	$	54.8
Granted		280,658	​	$	88.82		​	​		​
Exercised		(332,109)	​	$	37.25		​	​		​
Forfeited		(15,199)	​	$	77.06		​	​		​
Balance at January 31, 2025		1,501,901	​	$	61.06		3.8	​	$	91.6
​	​	​	​	​	​	​	​	​	​	​
Vested or expected to vest at January 31, 2025		1,501,901	​	$	61.06		3.8	​	$	91.6
​	​	​	​	​	​	​	​	​	​	​
Exercisable at January 31, 2025		1,091,499	​	$	54.70		3.3	​	$	73.5

Schedule of unvested stock options activity

​

​	​	​	​	​	​
​		​		Weighted-
​	​	​	​	Average
​	​	Number of	​	Grant-Date
​	​	Stock Options	​	Fair Value per
​	​	Outstanding	​	Share
Balance at January 31, 2023		488,821	​	$	16.11
Granted		278,845	​	$	26.19
Vested		(303,628)	​	$	17.74
Forfeited		(17,485)	​	$	18.29
Balance at January 31, 2024	​	446,553	​	$	20.67
Granted	​	280,658	​	$	29.53
Vested	​	(301,921)	​	$	21.88
Forfeited	​	(14,888)	​	$	25.16
Balance at January 31, 2025		410,402	​	$	25.21

Schedule of performance share units activity

​

​	​	​	​	​	​	​	​	​	​	​
​		​		Weighted-			Weighted-		​
​	​	​	​	Average		​	Average	​	Aggregate
​	​	Number of	​	Granted		​	Remaining	​	Intrinsic
​	​	PSUs	​	Date Fair		​	Contractual	​	Value
​	​	Outstanding	​	Value		​	Life (years)	​	(in millions)
Balance at January 31, 2023		915,233	​	$	38.41		4.5	​	$	67.9
Granted	​	95,134	​	$	105.96	​	​	​	​	​
Performance units issued	​	68,005	​	$	53.80	​	​	​	​	​
Exercised	​	(87,354)	​	$	14.29	​	​	​	​	​
Forfeited	​	(2,475)	​	$	81.82	​	​	​	​	​
Balance at January 31, 2024	​	988,543	​	$	53.81	​	4.5	​	$	86.3
Granted	​	92,873	​	$	109.77	​	​	​	​	​
Performance units issued	​	40,477	​	$	80.11	​	​	​	​	​
Exercised	​	(109,820)	​	$	19.88	​	​	​	​	​
Forfeited	​	(3,428)	​	$	80.66	​	​	​	​	​
Balance at January 31, 2025	​	1,008,645	​	$	62.92	​	4.6	​	$	123.1
​	​	​	​	​	​	​	​	​	​	​
Vested or expected to vest at January 31, 2025		1,008,645	​	$	62.92		4.6	​	$	123.1
​	​	​	​	​	​	​	​	​	​	​
Exercisable at January 31, 2025		726,075	​	$	47.45		3.2	​	$	88.6

Schedule of restricted share units activity

​

​	​	​	​	​	​	​	​	​	​	​
​		​		Weighted-			Weighted-		Aggregate
​	​	​	​	Average		​	Average	​	Intrinsic
​	​	Number of	​	Granted		​	Remaining	​	Value
​	​	RSUs	​	Date Fair		​	Contractual	​	(in
​	​	Outstanding	​	Value		​	Life (years)	​	millions)
Balance at January 31, 2023		474,631	​	$	32.44		4.7	​	$	35.2
Granted		61,774	​	$	79.89		​	​		​
Exercised	​	(53,898)	​	$	8.52	​	​	​	​	​
Forfeited	​	(413)	​	$	60.66	​	​	​	​	​
Balance at January 31, 2024		482,094	​	$	40.19		4.8	​	$	42.1
Granted	​	62,597	​	$	88.66	​	​	​	​	​
Exercised	​	(54,173)	​	$	13.36	​	​	​	​	​
Forfeited	​	(829)	​	$	70.74	​	​	​	​	​
Balance at January 31, 2025	​	489,689	​	$	48.48	​	5.0	​	$	59.8
​	​	​	​	​	​	​	​	​	​	​
Vested or expected to vest at January 31, 2025		489,689	​	$	48.48		5.0	​	$	59.8
​	​	​	​	​	​	​	​	​	​	​
Exercisable at January 31, 2025		427,613	​	$	43.14		4.4	​	$	52.2

Schedule of cash settled restricted share unit plan activity

​

​	​	​	​	​
​		​		Weighted-
​	​	​	​	Average
​	​	Number of	​	Remaining
​	​	CRSUs	​	Contractual
​	​	Outstanding	​	Life (years)
Balance at January 31, 2023		14,583		1.4
Granted	​	7,879	​	​
Vested and settled in cash	​	(11,092)	​	​
Balance at January 31, 2024	​	11,370	​	1.8
Granted	​	8,579	​	​
Vested and settled in cash	​	(7,333)	​	​
Forfeited	​	(599)	​	​
Balance at January 31, 2025	​	12,017	​	1.7
​	​	​	​	​
Non-vested at January 31, 2025		12,017		1.7

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Tabular disclosure of cash settled under restricted share units.

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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Tabular disclosure of the changes in outstanding nonvested shares.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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