Derivative Instruments and Fair Value Measurement of Assets and Liabilities Derivative Instruments Gain (Loss) Recognized in Income Statement (Details) (Not Designated as Hedging Instrument [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Aluminum derivatives	$ 70	$ 961
Other Non Operating Income (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign currency derivatives	$ (708)	$ 721