Project Assets (Details) - USD ($) $ in Thousands	Oct. 31, 2016	Oct. 31, 2015
Project assets table [Line Items]
Sale Leaseback Transaction, Net Book Value	$ 29,300
Project Assets without a sale-leaseback	17,800
Project assets current	0	$ 5,260
Project assets noncurrent	47,111	6,922
project assets current and noncurrent	$ 47,111	$ 12,182