Property, Plant and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2017	Jul. 31, 2016	Oct. 31, 2016
Property, Plant and Equipment [Abstract]
Land and improvements	$ 11,357		$ 11,357		$ 11,358
Buildings and improvements	119,045		119,045		117,291
Machinery and equipment	519,290		519,290		505,768
Furniture and fixtures	21,669		21,669		18,200
Construction in Progress	46,100		46,100		37,612
Total, at cost	717,461		717,461		690,229
Less: Accumulated depreciation	449,996		449,996		424,392
Property, plant and equipment, net	267,465		267,465		$ 265,837
Depreciation	$ 10,281	$ 8,896	$ 29,252	$ 26,690