Property, Plant and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017	Oct. 31, 2017
Property, Plant and Equipment [Abstract]
Land and improvements	$ 11,399		$ 11,399		$ 11,416
Buildings and improvements	132,871		132,871		124,406
Machinery and equipment	556,177		556,177		504,785
Furniture and fixtures	23,781		23,781		22,209
Construction in Progress	47,615		47,615		40,356
Total, at cost	771,843		771,843		703,172
Less: Accumulated depreciation	444,109		444,109		436,281
Property, plant and equipment, net	327,734		327,734		$ 266,891
Depreciation	$ 10,702	$ 9,818	$ 20,254	$ 18,971