v3.26.1
Income Taxes (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Jan. 31, 2026
Income Tax Disclosure [Abstract]          
Income tax expense (benefit) $ (1,373) $ 5,971 $ (8,276) $ 27,077  
Effective tax rate (as a percent) (34.90%) (9.30%) (19.20%) (18.30%)  
Gross unrecognized tax benefits $ 140,900   $ 140,900   $ 137,800
Unrecognized tax benefits including interest and penalties that would affect effective tax rate $ 45,300   45,300   41,000
Interest and penalties     $ 8,800   $ 6,600