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Stock-Based Compensation Plans (Tables)

6 Months Ended

Jul. 31, 2025

Stock-Based Compensation Plans

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

​

​	​	​	​	​	​	​	​	​
​		Three Months Ended				Six Months Ended
​		July 31,		July 31,		July 31,		July 31,
​	​	2025	​	2024	​	2025	​	2024
Cost of revenues		375		386		692		652
Sales and marketing		1,487		1,768		2,867		2,980
Research and development		679		740		1,219		1,235
General and administrative		1,912		2,614		4,041		4,410
Effect on net income		4,453		5,508		8,819		9,277

Schedule of weighted-average assumptions

​

​	​	​	​	​
​	​	Six Months Ended
​		July 31,		July 31,
​	​	2025	​	2024
​	​	​	​	​
Expected dividend yield (%)		—	​	—
Expected volatility (%)		28.3	​	30.0
Risk-free rate (%)		2.8	​	3.7
Expected option life (years)		5	​	5

Schedule of stock option activity

​

​	​	​	​	​	​	​	​	​	​	​
​		​		​			Weighted-		Aggregate
​	​	Number of	​	Weighted-		​	Average	​	Intrinsic
​	​	Stock	​	Average		​	Remaining	​	Value
​	​	Options	​	Exercise		​	Contractual	​	(in
​	​	Outstanding	​	Price		​	Life (years)	​	millions)
Balance at January 31, 2025		1,501,901	​	$	61.06		3.8	​	$	91.6
Granted		382,191	​	$	101.20		​	​		​
Exercised		(204,845)	​	$	40.57		​	​		​
Forfeited		(61,292)	​	$	77.35		​	​		​
Expired	​	(151)	​	$	77.12	​	​	​	​	​
Balance at July 31, 2025		1,617,804	​	$	71.73		4.2	​	$	53.4
​	​	​	​	​	​	​	​	​	​	​
Vested or expected to vest at July 31, 2025		1,617,804	​	$	71.73		4.2	​	$	53.4
​	​	​	​	​	​	​	​	​	​	​
Exercisable at July 31, 2025		903,025	​	$	57.02		2.9	​	$	43.1

Schedule of performance share units activity

​

​	​	​	​	​	​	​	​	​	​	​
​		​		Weighted-			Weighted-		Aggregate
​	​	​	​	Average		​	Average	​	Intrinsic
​	​	Number of	​	Granted		​	Remaining	​	Value
​	​	PSUs	​	Date Fair		​	Contractual	​	(in
​	​	Outstanding	​	Value		​	Life (years)	​	millions)
Balance at January 31, 2025		1,008,645	​	$	62.92		4.6	​	$	123.1
Granted	​	103,558	​	$	120.70	​	​	​	​	​
Performance units issued	​	58,628	​	$	60.81	​	​	​	​	​
Exercised	​	(121,829)	​	$	39.64	​	​	​	​	​
Forfeited	​	(36,734)	​	$	111.17	​	​	​	​	​
Balance at July 31, 2025	​	1,012,268	​	$	69.33	​	4.9	​	$	106.0
​	​	​	​	​	​	​	​	​	​	​
Vested or expected to vest at July 31, 2025		1,012,268	​	$	69.32		4.9	​	$	106.0
​	​	​	​	​	​	​	​	​	​	​
Exercisable at July 31, 2025		758,984	​	$	51.52		3.7	​	$	79.5

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, 2025		489,689	​	$	48.48		5.0	​	$	59.8
Granted		69,355	​	$	101.07		​	​		​
Exercised	​	(67,992)	​	$	28.46	​	​	​	​	​
Forfeited	​	(17,053)	​	$	93.91	​	​	​	​	​
Balance at July 31, 2025		473,999	​	$	56.71		5.5	​	$	49.6
​	​	​	​	​	​	​	​	​	​	​
Vested or expected to vest at July 31, 2025		473,999	​	$	56.71		5.5	​	$	49.6
​	​	​	​	​	​	​	​	​	​	​
Exercisable at July 31, 2025		359,621	​	$	45.20		4.4	​	$	37.6

Schedule of cash settled restricted share unit plan activity

​

​	​	​	​	​
​		​		Weighted-
​	​	​	​	Average
​	​	Number of	​	Remaining
​	​	CRSUs	​	Contractual
​	​	Outstanding	​	Life (years)
Balance at January 31, 2025		12,017		1.7
Granted	​	9,050	​	​
Vested and settled in cash	​	(3,735)	​	​
Forfeited	​	(148)	​	​
Balance at July 31, 2025	​	17,184	​	2.1
​	​	​	​	​
Non-vested at July 31, 2025		17,184		2.1

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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 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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Tabular disclosure of the number and weighted-average grant date fair value for outstanding performance shares.

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