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Asset Impairment and Restructuring Charges Restructuring Reserves (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended		3 Months Ended		12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Jul. 31, 2012 Mansfield Blanking Division [Member]	Jul. 31, 2011 Mansfield Blanking Division [Member]	Oct. 31, 2012 Mansfield Blanking Division [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve					$ 279
Restructuring Charges	30	(352)	(30)	(352)	30
Insurance broker financing agreement	(447)	(428)
Restructuring Reserve, Settled with Cash			(249)
Restructuring Reserve	$ 0

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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- Definition

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

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