Number of shares authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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Number of shares remaining authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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Number of shares that have been repurchased and retired during the period.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Shareholders' Equity - Additional Information (Detail) - USD ($) $ in Thousands	2 Months Ended	12 Months Ended
	Mar. 31, 2026	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024	Jun. 04, 2019
Equity, Class of Treasury Stock [Line Items]
Common shares authorized for repurchase, shares					20,000,000
Remaining common shares authorized for repurchase, shares		14,648,609
Stock Repurchased and Retired During Period, Value		$ 177,030	$ 67,895	$ 8,407
Employee Stock
Equity, Class of Treasury Stock [Line Items]
Stock Repurchased and Retired During Period, Shares		403,691	366,136
Stock Repurchased and Retired During Period, Value		$ 21,954	$ 15,402
Private Placement [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchased and Retired During Period, Shares	4,639,208
Stock Repurchased and Retired During Period, Value	$ 299,996