Derivative Instruments and Hedging Activities - Effects of Master Netting Arrangements (Details) - USD ($) $ in Thousands	Oct. 31, 2020	Oct. 31, 2019
Assets
Net amounts of assets presented in the Consolidated Balance Sheets	$ 933	$ 10,898
Liabilities
Net amounts of liabilities presented in the Consolidated Balance Sheets	(2,484)	(9)
Forward currency contracts
Assets
Gross amounts of recognized assets	1,139	11,056
Gross liabilities offset in the Consolidated Balance Sheets	(206)	(158)
Net amounts of assets presented in the Consolidated Balance Sheets	933	10,898
Liabilities
Gross amounts of recognized liabilities	(3,233)	(9)
Gross assets offset in the Consolidated Balance Sheets	749	0
Net amounts of liabilities presented in the Consolidated Balance Sheets	$ (2,484)	$ (9)