Fair Value Measurements - Fair Value Hierarchy (Details) - USD ($)	Aug. 03, 2018	Oct. 31, 2017	Aug. 04, 2017
Assets:
Derivative assets	$ 3,193,000	$ 1,041,000	$ 2,164,000
Liabilities:
Derivative liabilities	0	2,266,000	6,654,000
Transfer of assets from level 1 to level 2	0	0	0
Transfer of assets from level 2 to level 1	0	0	0
Transfer of liabilities from level 1 to level 2	0	0	0
Transfer of liabilities from level 2 to level 1	0	0	0
Forward currency contracts
Assets:
Derivative assets	3,193,000	1,041,000	2,164,000
Liabilities:
Derivative liabilities	0	2,266,000	6,654,000
Measured on a recurring basis
Assets:
Total assets	3,193,000	1,041,000	2,164,000
Liabilities:
Total liabilities	0	2,266,000	6,654,000
Measured on a recurring basis | Forward currency contracts
Assets:
Derivative assets	3,193,000	1,041,000	2,164,000
Liabilities:
Derivative liabilities	0	2,266,000	6,654,000
Measured on a recurring basis | Level 1
Assets:
Total assets	0	0	0
Liabilities:
Total liabilities	0	0	0
Measured on a recurring basis | Level 1 | Forward currency contracts
Assets:
Derivative assets	0	0	0
Liabilities:
Derivative liabilities	0	0	0
Measured on a recurring basis | Level 2
Assets:
Total assets	3,193,000	1,041,000	2,164,000
Liabilities:
Total liabilities	0	2,266,000	6,654,000
Measured on a recurring basis | Level 2 | Forward currency contracts
Assets:
Derivative assets	3,193,000	1,041,000	2,164,000
Liabilities:
Derivative liabilities	0	2,266,000	6,654,000
Measured on a recurring basis | Level 3
Assets:
Total assets	0	0	0
Liabilities:
Total liabilities	0	0	0
Measured on a recurring basis | Level 3 | Forward currency contracts
Assets:
Derivative assets	0	0	0
Liabilities:
Derivative liabilities	$ 0	$ 0	$ 0