Project Assets - Additional Information (Details) $ in Thousands			12 Months Ended
	Aug. 28, 2018 USD ($)	Apr. 05, 2018 USD ($)	Oct. 31, 2018 USD ($) ProjectAsset	Oct. 31, 2017 USD ($) ProjectAsset	Oct. 31, 2016 USD ($)
Project Assets [Abstract]
Long-term project assets			$ 99,600	$ 73,001
Number of project assets | ProjectAsset			5	5
Sale leaseback transaction, net book value			$ 28,600	$ 32,100
Long-term project assets construction in progress			71,000	40,900
Project revenue	$ 9,200	$ 10,800
Reduction in project assets relating to sale	$ 8,000	$ 9,800
Impairment on project asset			500	0	$ 0
Depreciation expense			$ 4,100	$ 4,100	$ 700