With respect to a business combination completed during the period, this element provides a description of the business, other than the name, which may include the industry, size, products and other important information.

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-Section 50
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Name of the acquired entity.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
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-Publisher FASB
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

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ACQUISITIONS (Details Textuals) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
ACQUISITIONS (Details Textuals) - USD ($) $ in Millions	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue	$ 489.5		$ 1,373.1
Flight Support Group [Member] \| Decavo [Member]
Business Acquisition [Line Items]
Name of Acquired Entity		Decavo, LLC ("Decavo")
Percentage of Voting Interests Acquired		80.10%
Description of Acquired Business		Decavo designs and produces complex composite parts and assemblies incorporated into camera and related sensor assemblies and UAV airframes used in demanding defense and civilian applications.
Flight Support Group [Member] \| Decavo [Member] \| Existing Management [Member]
Business Acquisition [Line Items]
Ownership Percentage by Noncontrolling Owners		19.90%
Electronic Technologies Group [Member] \| Bernier Connect SAS [Member]
Business Acquisition [Line Items]
Name of Acquired Entity		Bernier Connect SAS ("Bernier")
Description of Acquired Business		Bernier is a designer and manufacturer of interconnect products used in demanding defense, aerospace and industrial applications, primarily for communications-related purposes.
Electronic Technologies Group [Member] \| Moulages Plastiques Industriels [Member]
Business Acquisition [Line Items]
Name of Acquired Entity		Moulages Plastiques Industriels De L'essonne
Percentage of Voting Interests Acquired		70.00%
Description of Acquired Business		a plastics manufacturer
Electronic Technologies Group [Member] \| Research Electronics International [Member]
Business Acquisition [Line Items]
Name of Acquired Entity		Research Electronics International, LLC ("REI")
Percentage of Voting Interests Acquired		75.00%
Description of Acquired Business		REI is a designer and manufacturer of Technical Surveillance Countermeasures (TCSM) equipment to detect devices used for espionage and information theft.
Electronic Technologies Group [Member] \| Research Electronics International [Member] \| Existing Management [Member]
Business Acquisition [Line Items]
Ownership Percentage by Noncontrolling Owners		25.00%
Electronic Technologies Group [Member] \| Solid Sealing Technology [Member]
Business Acquisition [Line Items]
Name of Acquired Entity		Solid Sealing Technology, Inc. ("SST")
Percentage of Voting Interests Acquired		85.00%
Description of Acquired Business		SST designs and manufactures high-reliability ceramic-to-metal feedthroughs and connectors for demanding environments within the defense, industrial, life science, medical, research, semiconductor, and other markets.
Electronic Technologies Group [Member] \| Solid Sealing Technology [Member] \| Existing Management [Member]
Business Acquisition [Line Items]
Ownership Percentage by Noncontrolling Owners		15.00%
Electronic Technologies Group [Member] \| Freebird [Member]
Business Acquisition [Line Items]
Name of Acquired Entity		Freebird Semiconductor Corporation ("Freebird")
Percentage of Voting Interests Acquired		50.00%
Description of Acquired Business		Freebird is a fabless design and manufacturing company that offers advanced high-reliability wide-band gap power switching technology.
Electronic Technologies Group [Member] \| Apex [Member]
Business Acquisition [Line Items]
Name of Acquired Entity		Apex Microtechnology, Inc. ("Apex")
Percentage of Voting Interests Acquired		92.70%
Description of Acquired Business		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.
Electronic Technologies Group [Member] \| Apex [Member] \| Existing Management [Member]
Business Acquisition [Line Items]
Ownership Percentage by Noncontrolling Owners		7.30%
Electronic Technologies Group [Member] \| Specialty Silicone Products [Member]
Business Acquisition [Line Items]
Name of Acquired Entity		Specialty Silicone Products, Inc. ("SSP")
Description of Acquired Business		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.