Property, Plant and Equipment Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2013	Oct. 31, 2012
Property, Plant and Equipment [Line Items]
Land	$ 8,408	$ 8,408
Buildings and Improvements, Gross	101,332	99,855
Machinery and Equipment, Gross	372,289	341,568
Furniture and Fixtures, Gross	12,304	11,372
Construction in Progress, Gross	20,978	13,636
Property, Plant and Equipment, Gross	515,311	474,839
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	361,808	357,738
Property, plant and equipment, net	$ 153,503	$ 117,101