Accounting Changes and Error Corrections (Details) - USD ($) $ in Thousands	Oct. 31, 2020	Oct. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating Lease, Liability	$ 52,332
Operating lease right-of-use assets	$ 51,824	$ 0
Cumulative Effect, Period of Adoption, Adjustment [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating Lease, Liability		39,300
Operating lease right-of-use assets		$ 38,900