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Note 5 - Property, Plant and Equipment (Details) - Property, Plant, and Equipment - USD ($)
$ in Thousands
Oct. 31, 2015
Oct. 31, 2014
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 117,563 $ 120,343
Less accumulated depreciation 72,029 73,599
Total 45,534 46,744
Land and Land Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 2,398 2,398
Building [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 67,039 66,871
Building Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 7,145 9,660
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 5,878 6,187
Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 35,103 $ 35,227