Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2026	Jul. 31, 2025	Jan. 31, 2026
Intangible Asset, Excluding Goodwill, after Accumulated Amortization [Abstract]
Goodwill	$ 492,991		$ 492,991		$ 439,877
Amortization expense	$ 4,000	$ 4,000	$ 7,000	$ 8,000

Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

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+ Details

- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

+ References

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+ Details