Fair Value Measurements - Fair Value Hierarchy (Details) - USD ($) $ in Thousands	Jul. 31, 2020	Oct. 31, 2019	Aug. 02, 2019
Assets:
Forward currency contracts	$ 108	$ 10,898	$ 16,431
Liabilities:
Forward currency contracts	6,097	9	0
Forward currency contracts
Assets:
Forward currency contracts	108	10,898	16,431
Liabilities:
Forward currency contracts	6,097	9	0
Measured on a recurring basis
Assets:
Total assets	108	10,898	16,431
Liabilities:
Total liabilities	6,097	9
Measured on a recurring basis | Forward currency contracts
Assets:
Forward currency contracts	108	10,898	16,431
Liabilities:
Forward currency contracts	6,097	9
Measured on a recurring basis | Level 1
Assets:
Total assets	0	0	0
Liabilities:
Total liabilities	0	0
Measured on a recurring basis | Level 1 | Forward currency contracts
Assets:
Forward currency contracts	0	0	0
Liabilities:
Forward currency contracts	0	0
Measured on a recurring basis | Level 2
Assets:
Total assets	108	10,898	16,431
Liabilities:
Total liabilities	6,097	9
Measured on a recurring basis | Level 2 | Forward currency contracts
Assets:
Forward currency contracts	108	10,898	16,431
Liabilities:
Forward currency contracts	6,097	9
Measured on a recurring basis | Level 3
Assets:
Total assets	0	0	0
Liabilities:
Total liabilities	0	0
Measured on a recurring basis | Level 3 | Forward currency contracts
Assets:
Forward currency contracts	0	0	$ 0
Liabilities:
Forward currency contracts	$ 0	$ 0