Receivables (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2021	Oct. 31, 2020	Jan. 31, 2020	Oct. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Adjustment to stockholders' equity from adoption of ASU	$ 1,857,183	$ 1,758,991	$ 1,634,274	$ 1,581,045
Accounts receivable, after allowance for credit loss	9,243	9,045
Provisions for losses on receivables	103	$ 388
Accounting Standards Update 2016-13
Accounts, Notes, Loans and Financing Receivable [Line Items]
Provisions for losses on receivables	$ 396