Intangible Assets and Goodwill - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024	Jan. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 28,900	$ 24,100	$ 80,800	$ 71,400
Goodwill	$ 1,174,960		$ 1,174,960		$ 1,056,559