ACQUISITIONS (Details Textuals) - Electronic Technologies Group [Member]	3 Months Ended
	Jan. 31, 2019
Freebird [Member]
Business Acquisition [Line Items]
Name of Acquired Entity	Freebird Semiconductor Corporation ("Freebird")
Description of Acquired Entity	Freebird is a fabless design and manufacturing company that offers advanced high-reliability wide-band gap power switching technology.
Business Acquisition, Percentage of Voting Interests Acquired	50.00%
APEX [Member]
Business Acquisition [Line Items]
Name of Acquired Entity	Apex Microtechnology, Inc. ("Apex")
Description of Acquired Entity	Apex designs and manufactures precision power analog monolithic, hybrid and open frame components for a certain wide range of aerospace, defense, industrial, measurement, medical and test applications.
Business Acquisition, Percentage of Voting Interests Acquired	92.70%
SSP [Member]
Business Acquisition [Line Items]
Name of Acquired Entity	Specialty Silicone Products, Inc. ("SSP")
Description of Acquired Entity	SSP designs and manufactures silicone material for a variety of demanding applications used in aerospace, defense, research, oil and gas, testing, pharmaceuticals and other markets.
Existing Management [Member] | APEX [Member]
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	7.30%