Prepaid Expenses and Other (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017	Nov. 01, 2018
Prepaid expenses and other
Prepaid VAT and other taxes	$ 84,706	$ 82,518
Contract assets	84,046			$ 0
Prepaid expenses	48,680	32,987
Product demonstration equipment, net	38,900	37,623
Other non-trade receivables	28,136	25,716
Capitalized contract acquisition costs	11,677	0
Derivative assets	1,570	133
Deferred deployment expense	125	19,342
Restricted cash	74	0
Financing receivable	0	626
Prepaid expenses and other	297,914	198,945		$ 220,415
Depreciation of product demonstration equipment	$ 8,800	$ 9,000	$ 10,000