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Stockholders' Equity - Additional Information (Detail) - USD ($) $ in Millions		3 Months Ended			6 Months Ended		9 Months Ended
	Sep. 05, 2024	Oct. 31, 2025	Jul. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024	Jan. 31, 2025	Sep. 15, 2025	Sep. 19, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Antidilutive shares excluded from computation of diluted earnings per share		24,867		16,328		18,587
Stock-based compensation expense					$ 4.0	$ 3.7
Performance period							3 years
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period					4 years
Stock units, awarded					603,336	455,485
Stock units, forfeited					48,841	28,575
RSUs | Non-Executive Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units, awarded					289,376	257,937
RSUs | Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units, awarded					76,266	54,666
RSUs | Executive Officers
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units, awarded					237,694	142,882
Performance Shares | Executive Officers
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units, awarded					237,691	142,878
Grant date fair value of vested RSUs and PSUs					$ 3.6	$ 4.5
RSUs and PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units, awarded					841,027	598,363
Stock units, forfeited					157,577	92,044
Unrecognized compensation expense related to unvested RSUs and PSUs		$ 7.8			$ 7.8
Weighted average remaining contractual term					1 year 6 months
Service based PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units, forfeited					108,736	63,469
Maximum | RSUs | Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting, percentage					0.25%
Minimum | RSUs | Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period					3 years
Vesting, percentage					0.25%
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase of common stock			312,310
Number of shares repurchased, value			$ 4.1
Share Repurchase Transactions One | Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase of common stock		0		753,631	0	1,624,300
Number of shares repurchased, value				$ 9.8		$ 22.6
Share Repurchase Transactions Two | Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchase authorization								$ 50.0	$ 50.0
Repurchase of common stock							1,531,763
Number of shares repurchased, value	$ 50.0						$ 21.4

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