Revenue and Performance Obligations - Additional information (Details1) - USD ($) $ in Millions	Jan. 31, 2022	Jan. 31, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-02-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount		$ 263.9
Revenue, Remaining Performance Obligation, Percentage		63.00%
Revenue remaining performance obligation, expected timing of satisfaction, period		12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-02-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Amount	$ 428.8
Revenue, Remaining Performance Obligation, Percentage	63.00%
Revenue remaining performance obligation, expected timing of satisfaction, period	12 months