Fair Value Measurements - Recurring Fair Value Measurements (Details) - USD ($) $ in Thousands	Oct. 31, 2020	Oct. 31, 2019
Assets:
Forward currency contracts	$ 933	$ 10,898
Liabilities:
Forward currency contracts	2,484	9
Forward currency contracts
Assets:
Forward currency contracts	933	10,898
Liabilities:
Forward currency contracts	2,484	9
Measured on a recurring basis
Assets:
Total assets	933	10,898
Liabilities:
Total liabilities	2,484	9
Measured on a recurring basis | Forward currency contracts
Assets:
Forward currency contracts	933	10,898
Liabilities:
Forward currency contracts	2,484	9
Measured on a recurring basis | Level 1
Assets:
Total assets	0	0
Liabilities:
Total liabilities	0	0
Measured on a recurring basis | Level 1 | Forward currency contracts
Assets:
Forward currency contracts	0	0
Liabilities:
Forward currency contracts	0	0
Measured on a recurring basis | Level 2
Assets:
Total assets	933	10,898
Liabilities:
Total liabilities	2,484	9
Measured on a recurring basis | Level 2 | Forward currency contracts
Assets:
Forward currency contracts	933	10,898
Liabilities:
Forward currency contracts	2,484	9
Measured on a recurring basis | Level 3
Assets:
Total assets	0	0
Liabilities:
Total liabilities	0	0
Measured on a recurring basis | Level 3 | Forward currency contracts
Assets:
Forward currency contracts	0	0
Liabilities:
Forward currency contracts	$ 0	$ 0