OTHER BALANCE SHEET DETAILS - Deferred Revenue (Details) - USD ($) $ in Thousands	Apr. 30, 2022	Oct. 30, 2021
Disaggregation of Revenue [Line Items]
Total deferred revenue	$ 218,769	$ 175,464
Less current portion	(156,400)	(118,007)
Long-term deferred revenue	62,369	57,457
Products
Disaggregation of Revenue [Line Items]
Total deferred revenue	19,911	12,859
Services
Disaggregation of Revenue [Line Items]
Total deferred revenue	$ 198,858	$ 162,605