Intangible Assets and Goodwill - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024	Apr. 30, 2025	Jan. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 27,800	$ 23,900	$ 51,900	$ 47,300
Goodwill	$ 1,174,978		$ 1,174,978		$ 1,056,559	$ 1,056,559