Asset Impairment and Restructuring Charges (Details) (USD $)	3 Months Ended		12 Months Ended
	Oct. 31, 2013	Jul. 31, 2012	Oct. 31, 2013	Oct. 31, 2012
Restructuring Cost and Reserve [Line Items]
Asset Impairment Charges, net	$ (18,000)	$ (392,000)	$ (18,000)	$ 834,000
Recovery of Impairment Charge, net				(834,000)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value		0
Proceeds from Sale of Property, Plant, and Equipment			518,000	4,370,000
Anniston [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment Charges, net	(483,000)
Mansfield Blanking Division [Member]
Restructuring Cost and Reserve [Line Items]
Asset Impairment Charges, net		(1,552,000)
Recovery of Impairment Charge, net			96,000	1,551,000
Proceeds from Sale of Property, Plant, and Equipment				1,400,000
Liverpool Stamping Division [Member]
Restructuring Cost and Reserve [Line Items]
Recovery of Impairment Charge, net			369,000	1,159,000
Other Assets [Member]
Restructuring Cost and Reserve [Line Items]
Recovery of Impairment Charge, net				$ 68,000