Revenue Recognition - Summary Disaggregation of Revenue by Region (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 1,099,458	$ 1,021,495	$ 2,173,258	$ 1,977,732
Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (as a percent)	100.00%	100.00%	100.00%	100.00%
Americas
Disaggregation of Revenue [Line Items]
Revenue	$ 762,690	$ 681,414	$ 1,491,071	$ 1,317,199
Americas | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (as a percent)	69.00%	67.00%	69.00%	67.00%
Asia Pacific (“APAC”)
Disaggregation of Revenue [Line Items]
Revenue	$ 149,355	$ 135,321	$ 298,175	$ 259,084
Asia Pacific (“APAC”) | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (as a percent)	14.00%	13.00%	14.00%	13.00%
Europe, Middle East, and Africa (“EMEA”)
Disaggregation of Revenue [Line Items]
Revenue	$ 187,413	$ 204,760	$ 384,012	$ 401,449
Europe, Middle East, and Africa (“EMEA”) | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Percentage of revenue (as a percent)	17.00%	20.00%	17.00%	20.00%