Deferred Revenue and Commissions (Tables)

12 Months Ended

Jan. 31, 2021

Revenue from Contract with Customer [Abstract]

Deferred Commissions

Changes in total deferred commissions during the periods presented are as follows (in thousands):

	Fiscal Year Ended
	2020		2021
Beginning balance	$	114,973	$	139,204
Additions	141,147		183,151
Recognition of deferred commissions	(116,916)		(134,431)
Ending balance	$	139,204	$	187,924

Deferred Revenue

Changes in total deferred revenue during the periods presented are as follows (in thousands):

	Fiscal Year Ended
	2020		2021
Beginning balance	$	535,920	$	697,288
Additions	569,816		703,800
Recognition of deferred revenue	(408,448)		(557,391)
Ending balance	$	697,288	$	843,697