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SELECTED FINANCIAL STATEMENT INFORMATION (Property, Plant and Equipment) (Details) - USD ($)
$ in Thousands
Apr. 30, 2017
Oct. 31, 2016
Property, Plant and Equipment [Line Items]    
Land $ 5,097 $ 5,090
Buildings and improvements 84,278 79,205
Machinery, equipment and tooling 181,342 171,717
Construction in progress 11,357 10,453
Property, plant and equipment, gross 282,074 266,465
Less: Accumulated depreciation and amortization (155,672) (144,854)
Property, plant and equipment, net $ 126,402 $ 121,611