Prepaid Expenses and Other (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Nov. 03, 2018	Nov. 01, 2018
Capitalized Contract Cost [Line Items]
Prepaid VAT and other taxes	$ 72,838	$ 84,706
Prepaid expenses	70,647	48,680
Product demonstration equipment, net	44,793	38,900
Other non-trade receivables	21,981	28,136
Deferred deployment expense	604	125
Derivative assets	82	1,570
Restricted cash	0	74
Prepaid expenses and other	308,084	297,914
Depreciation of product demonstration equipment	9,000	8,800	$ 9,000
Contract assets for unbilled accounts receivable
Capitalized Contract Cost [Line Items]
Contract assets	85,843			$ 84,046
Capitalized contract acquisition costs
Capitalized Contract Cost [Line Items]
Contract assets	$ 11,296	$ 11,677