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Name:	us-gaap_RestructuringCostAndReserveLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Asset Impairment and Recoveries (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2015	Jul. 31, 2014
Restructuring Cost and Reserve [Line Items]
Recovery of Impairment Charge	$ 0	$ 0	$ 0	$ 4,026
Mansfield Blanking Division [Member]
Restructuring Cost and Reserve [Line Items]
Recovery of Impairment Charge				$ 4,026