Information about Geographic Areas - Revenues by Geographic Area (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Revenues by geography
Total revenues	$ 1,850,777	$ 1,465,069	$ 1,104,081
North America
Revenues by geography
Total revenues	1,063,770	838,192	607,704
Europe
Revenues by geography
Total revenues	509,127	400,790	310,215
Asia Pacific
Revenues by geography
Total revenues	225,968	183,848	151,052
Middle East, Africa, and Latin America
Revenues by geography
Total revenues	$ 51,912	$ 42,239	$ 35,110