Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 133,044	$ 135,223
Accumulated depreciation	(91,910)	(87,019)
Property, plant and equipment, net	41,134	48,204
Land [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	524	524
Building and Building Improvements [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 20,395	19,674
Building and Building Improvements [Member] | Minimum [Member]
Property Plant And Equipment [Line Items]
Property, Plant and Equipment, Estimated Useful Lives	10 years
Building and Building Improvements [Member] | Maximum [Member]
Property Plant And Equipment [Line Items]
Property, Plant and Equipment, Estimated Useful Lives	26 years
Machinery and Equipment [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 106,726	93,356
Machinery and Equipment [Member] | Minimum [Member]
Property Plant And Equipment [Line Items]
Property, Plant and Equipment, Estimated Useful Lives	3 years
Machinery and Equipment [Member] | Maximum [Member]
Property Plant And Equipment [Line Items]
Property, Plant and Equipment, Estimated Useful Lives	8 years
Furniture and Fixtures [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 4,255	3,958
Property, Plant and Equipment, Estimated Useful Lives	10 years
Construction in Progress [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 1,144	$ 17,711