Annual report [Section 13 and 15(d), not S-K Item 405]

Revenue Recognition - Narrative (Details)

v3.26.1
Revenue Recognition - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 31, 2026
Jan. 31, 2025
Jan. 31, 2024
Capitalized Contract Cost [Line Items]      
Capitalized contract cost, average amortization period 5 years    
Capitalized costs to obtain customer contracts $ 173.0 $ 141.6  
Amortization of costs to obtain customer contracts 58.6 47.7 $ 48.3
Revenue recognized previously included in deferred revenue balance 401.9 364.6 $ 322.1
Contract assets 10.6 1.9  
Prepaid expenses and other current assets      
Capitalized Contract Cost [Line Items]      
Capitalized costs to obtain customer contracts 63.1 39.4  
Other noncurrent assets      
Capitalized Contract Cost [Line Items]      
Capitalized costs to obtain customer contracts $ 109.9 $ 102.2