Revenue Recognition - Significant Changes in Contract Assets and Deferred Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Contract Assets
Beginning balance	$ 36,306	$ 12,977
Contract assets recognized during the year	77,714	33,734
Amounts transferred to accounts receivable from unbilled accounts receivable presented at the beginning of the year	(34,221)	(11,398)
Translation adjustments	(2,238)	993
Ending balance	77,561	36,306
Contract assets, current	74,831	34,221
Contract assets, non-current	2,730	2,085
Total contract assets	77,561	36,306
Deferred Revenue
Beginning balance	272,403	165,568
Additions to deferred revenue during the year	952,177	670,797
Additions to deferred revenue from business acquisitions	3,640	0
Revenue recognized that was included in deferred revenue at the beginning of the period	(211,078)	(124,627)
Revenue recognized that was not included in deferred revenue at the beginning of the period	(636,418)	(446,710)
Translation adjustments	(14,704)	7,375
Ending balance	366,020	272,403
Deferred revenue, current	297,355	211,078
Deferred revenue, non-current	68,665	61,325
Total deferred revenue	$ 366,020	$ 272,403