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Selected Financial Statement Information (Details) [Abstract]

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
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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.

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.

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SELECTED FINANCIAL STATEMENT INFORMATION (Details Textuals) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019	Apr. 30, 2020	Oct. 31, 2019
Selected Financial Statement Information (Details) [Abstract]
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)	$ 8,400
Accrued customer rebates and credits	16,600		$ 16,600			$ 18,000
Total customer rebates and credits deducted within net sales	$ 500	$ 2,900	4,300	$ 6,500
Business Acquisition [Line Items]
Payments to Noncontrolling Interests			$ 7,475
RMH [Member] \| Existing Management [Member]
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	30.00%		30.00%
Quell [Member] \| Existing Management [Member]
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	19.90%		19.90%
FY2015 Acquisition [Member] \| Existing Management [Member]
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners					20.00%
FY2008 Acquisition [Member] \| Existing Management [Member]
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners					17.70%
Electronic Technologies Group [Member] \| Quell [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	80.10%		80.10%
Electronic Technologies Group [Member] \| FY2012 Acquisition [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	22.00%		22.00%
Electronic Technologies Group [Member] \| FY2012 Acquisition [Member] \| Electronic Technologies Group [Member]
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%		100.00%
Flight Support Group [Member] \| FY2015 Acquisition [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	5.00%		5.00%
Flight Support Group [Member] \| FY2015 Acquisition [Member] \| Flight Support Group [Member]
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	85.00%		85.00%
Flight Support Group [Member] \| FY2008 Acquisition [Member] \| Flight Support Group [Member]
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	86.20%		86.20%
Flight Support Corp [Member] \| RMH [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	70.00%		70.00%