Advances to Joint Ventures (Details) - USD ($) $ in Millions	Jul. 31, 2015	Oct. 31, 2014
Other Assets \| Joint Venture \| Advances to Provide Working Capital
Related Party Transaction [Line Items]
Aggregate amount of advances	$ 1.3	$ 1.2

Amounts due from an entity in which the reporting entity shares joint control with another party or group, due after 1 year (or 1 business cycle).

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Name:	us-gaap_DueFromJointVenturesNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant