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Stock-based Compensation Plans (Tables)

12 Months Ended

Jan. 31, 2022

Notes Tables

Schedule of share-based payment arrangement, expensed and capitalized amount

​

​	​	​	​	​	​	​
Year Ended		January 31,		January 31,		January 31,
​	​	2022	​	2021	​	2020
Cost of revenues		732		319		220
Sales and marketing		3,060		896		706
Research and development		1,419		404		281
General and administrative		5,806		4,694		3,702
Effect on net income		11,017		6,313		4,909

Schedule of Share-based payment award, valuation assumptions

​

​	​	​	​	​	​	​
Year Ended		January 31,		January 31,		January 31,
​	​	2022	​	2021	​	2020
Expected dividend yield (%)		—		—		—
Expected volatility (%)		27.8		26.4		23.5
Risk-free rate (%)		0.7		0.7		1.4
Expected option life (years)		5		5		5

Schedule of the 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, 2020		1,127,822	​	$	26.82		4.6	​	$	20.2
Granted		381,859	​	$	41.51			​
Exercised		(338,342)	​	$	18.43			​
Forfeited		(23,619)	​	$	33.88			​
Balance at January 31, 2021		1,147,720	​	$	33.77		4.9	​	$	28.1
Granted		271,025	​	$	65.03			​
Exercised		(90,166)	​	$	29.38			​
Forfeited		(9,300)	​	$	53.94			​
Balance at January 31, 2022		1,319,279	​	$	42.35		4.4	​	$	41.5
​	​	​	​	​	​	​	​	​	​	​
Vested or expected to vest at January 31, 2022		1,319,279	​	$	42.35		4.4	​	$	41.5
​	​	​	​	​	​	​	​	​	​	​
Exercisable at January 31, 2022		856,426	​	$	36.91		3.9	​	$	31.6

Schedule of share-based payment arrangement, option, exercise price range

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​

​

​

​

​

​

​

​

​

​

​

​

Options Outstanding

Options Exercisable

​

​

​

​

Weighted

​

​

​

​

​

Weighted

​

​

​

Average

​

Weighted

​

​

​

​

Average

​

Number of

​

Remaining

​

Average

​

Number of

​

​

Exercise

​

Stock

​

Contractual

​

Exercise

​

Stock

Range of Exercise Prices

​

Price

​

Options

​

Life (years)

​

Price

​

Options

$19.78 – $23.86

​

$

22.55

176,500

1.9

​

$

22.55

176,500

$27.39 – $29.08

​

$

29.08

191,754

3.2

​

$

29.08

176,417

$40.22 – $52.38

​

$

40.69

618,325

4.7

​

$

40.60

414,713

$56.63 – $78.55

​

$

63.59

332,700

6.1

​

$

63.79

88,796

​

​

$

42.35

1,319,279

4.4

​

$

36.91

856,426

Schedule of Non vested share activity

​

​	​	​	​	​	​
​	​	​	​	​	Weighted-
​	​	​	​	​	Average
​	​	Number of	​	​	Grant-Date
​	​	Stock Options	​	​	Fair Value per
​		Outstanding		​	Share
Balance at January 31, 2020	​	409,653	​	$	8.03
Granted		381,859	​	$	10.19
Vested		(266,238)	​	$	8.19
Forfeited		(23,619)	​	$	4.87
Balance at January 31, 2021		501,655	​	$	9.52
Granted		271,025	​	$	16.77
Vested		(300,527)	​	$	11.42
Forfeited		(9,300)	​	$	13.54
Balance at January 31, 2022		462,853	​	$	13.16

Schedule of Share-based payment arrangement, performance shares, outstanding 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, 2020	​	629,874	​	$	21.19	​	5.0	​	$	28.2
Granted	​	85,334	​	$	54.24	​		​		​
Performance units issued	​	40,665	​	$	29.08	​		​		​
Balance at January 31, 2021	​	755,873	​	$	25.17	​	4.7	​	$	44.0
Granted		77,441	​	$	88.11				​
Performance units issued		44,296	​	$	36.63				​
Exercised		(100,072)	​	$	9.66				​
Balance at January 31, 2022		777,538	​	$	35.76		4.8	​	$	57.4
​	​	​	​	​	​	​	​	​	​	​
Vested or expected to vest at January 31, 2022		777,538	​	$	35.76		4.8	​	$	57.4
​	​	​	​	​	​	​	​	​	​	​
Exercisable at January 31, 2022		561,034	​	$	23.15		3.6	​	$	41.4

Schedule of restricted stock and restricted stock unit activity

​

​	​	​	​	​	​	​	​	​	​	​
​		​		Weighted-			Weighted-		​	​
​	​	​	​	Average		​	Average	​	Aggregate
​	​	Number of	​	Granted		​	Remaining	​	Intrinsic
​	​	RSUs	​	Date Fair		​	Contractual	​	Value
​	​	Outstanding	​	Value		​	Life (years)	​	(in millions)
Balance at January 31, 2020		374,677	​	$	16.57		5.0	​	$	16.8
Granted		57,518	​	$	43.25			​
Balance at January 31, 2021		432,195	​	$	19.98		4.7	​	$	25.2
Granted		50,099	​	$	65.33			​
Exercised		(71,314)	​	$	7.14			​
Balance at January 31, 2022		410,980	​	$	29.17		5.0	​	$	30.3
​	​	​	​	​	​	​	​	​	​	​
Vested or expected to vest at January 31, 2022		410,980	​	$	29.17		5.0	​	$	30.3
​	​	​	​	​	​	​	​	​	​	​
Exercisable at January 31, 2022		355,765	​	$	24.62		4.4	​	$	26.3

Schedule of cash settled restricted share unit plan activity

​

​	​	​	​	​
​		​		Weighted-
​	​	​	​	Average
​	​	Number of	​	Remaining
​	​	CRSUs		Contractual
​	​	Outstanding		Life  (years)
Balance at January 31, 2020		42,727		1.6
Granted		26,629
Vested and settled in cash		(30,480)
Forfeited		(248)
Balance at January 31, 2021		38,628		1.5
Granted		12,776
Vested and settled in cash		(26,755)
Forfeited		(221)
Balance at January 31, 2022		24,428		1.4
​	​	​	​	​
Non-vested at January 31, 2022		24,428		1.4

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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 option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

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