Revenue Recognition - Summary Disaggregation of Revenue by Region (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2022	Apr. 30, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 1,073,800	$ 956,237
Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Revenue		$ 956,237
Percentage of revenue	100.00%	100.00%
Americas
Disaggregation of Revenue [Line Items]
Revenue	$ 728,381
Americas | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Revenue		$ 635,784
Percentage of revenue	68.00%	66.00%
Asia Pacific (“APAC”)
Disaggregation of Revenue [Line Items]
Revenue	$ 148,821
Asia Pacific (“APAC”) | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Revenue		$ 123,763
Percentage of revenue	14.00%	13.00%
Europe, Middle East, and Africa (“EMEA”)
Disaggregation of Revenue [Line Items]
Revenue	$ 196,598
Europe, Middle East, and Africa (“EMEA”) | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Revenue		$ 196,690
Percentage of revenue	18.00%	21.00%