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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024
Income Tax Disclosure [Line Items]
Provision for income taxes	$ 15,338	$ 4,399	$ 30,584	$ 13,525
UK
Income Tax Disclosure [Line Items]
Open tax year			2022

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Income tax disclosure.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Tax year that remains open to examination under enacted tax laws, in YYYY format.

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