Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021	Apr. 30, 2020
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Contract with customer, liability, revenue recognized	$ 318,900		$ 892,900
Revenue, remaining performance obligation, amount	4,800,000		4,800,000
Revenue, remaining performance obligation, non-cancellable, amount	$ 825,800		$ 825,800
Revenue, remaining performance obligation, excluding non-cancellable, recognized over twelve month period, percent	49.00%		49.00%
Capitalized contract cost, net	$ 85,800		$ 85,800
Amortization of capitalized costs to obtain revenue contracts	15,500	$ 14,500	30,475	$ 28,279
Sales Based Royalties
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Contract with customer, liability, revenue recognized	$ 34,500	$ 34,200	$ 60,800	$ 52,100