Prepaid Expenses and Other (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Oct. 31, 2020
Capitalized Contract Cost [Line Items]
Prepaid expenses	$ 76,462		$ 70,647
Prepaid VAT and other taxes	73,767		72,838
Product demonstration equipment, net	44,707		44,793
Other non-trade receivables	26,099		21,981
Derivative assets	8,397		82
Deferred deployment expense	505		604
Prepaid expenses and other	326,110		308,084
Depreciation of product demonstration equipment	2,600	$ 2,200
Contract assets for unbilled accounts receivable, net
Capitalized Contract Cost [Line Items]
Contract assets	85,461		85,843
Capitalized contract acquisition costs
Capitalized Contract Cost [Line Items]
Contract assets	$ 10,712		$ 11,296