Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Other Information (Details)

v3.22.2.2
Revenue Recognition - Other Information (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Jul. 31, 2022
Jul. 31, 2021
Jan. 31, 2022
Capitalized Contract Cost [Line Items]          
Amortization period (in years) 5 years   5 years   3 years
Capitalized costs to obtain customer contracts $ 83.5   $ 83.5   $ 83.0
Amortization of costs to obtain customer contracts 11.2 $ 8.6 22.2 $ 16.7  
Revenue recognized previously included in deferred revenue balance 128.4 $ 96.9 199.4 $ 153.5  
Contract assets 3.1   3.1   3.2
Prepaid expenses and other current assets          
Capitalized Contract Cost [Line Items]          
Capitalized costs to obtain customer contracts 39.7   39.7   40.7
Other noncurrent assets          
Capitalized Contract Cost [Line Items]          
Capitalized costs to obtain customer contracts $ 43.8   $ 43.8   $ 42.3