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Acquisitions - Identifiable Intangible Assets (Details) - USD ($) $ in Thousands			12 Months Ended
	Nov. 20, 2024	Sep. 28, 2023	Jan. 31, 2025	Jan. 31, 2024
A.S. Adaptive Shield Ltd.
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 31,100
Bionic
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value		$ 34,900
Developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life			55 months	60 months
Developed technology \| A.S. Adaptive Shield Ltd.
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 23,600
Useful Life	72 months
Developed technology \| Bionic
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value		$ 29,900
Useful Life		72 months
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life			65 months	68 months
Customer relationships \| A.S. Adaptive Shield Ltd.
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 7,500
Useful Life	72 months
Customer relationships \| Bionic
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value		$ 5,000
Useful Life		96 months