Carrying value as of the balance sheet date of accrued customer rebates and credits.

No definition available.

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- Definition

The total customer rebates and credits expense deducted within net sales.

+ References

No definition available.

+ Details

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- Definition

Percentage of Voting Interests Sold

+ References

No definition available.

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- Definition

Selected Financial Statement Information (Details) [Abstract]

+ References

No definition available.

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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

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
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI https://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.

+ Details

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- Definition

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

+ References

No definition available.

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SELECTED FINANCIAL STATEMENT INFORMATION (Details Textuals) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021	May 31, 2022	Oct. 31, 2021
Selected Financial Statement Information (Details) [Abstract]
Accrued customer rebates and credits	$ 17.5		$ 17.5			$ 13.2
Total customer rebates and credits deducted within net sales	$ 2.2	$ 0.7	$ 5.9	$ 2.5
Accurate \| Heico Flight Support Corp
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	96.00%		96.00%
Pioneer \| Heico Flight Support Corp
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	74.00%		74.00%
FY 2017 Acquisition [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired					9.95%
FY 2017 Acquisition [Member] \| Existing Noncontrolling Interest Holders
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners					19.90%
FY 2017 Acquisition [Member] \| Heico Corp
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent					90.05%
FY 2015 Acquisition
Business Acquisition [Line Items]
Percentage of Voting Interests Sold	3.00%		3.00%
FY 2015 Acquisition \| Heico Corp
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	82.00%		82.00%
FY 2018 Acquisition
Business Acquisition [Line Items]
Percentage of Voting Interests Sold	10.00%		10.00%
FY 2018 Acquisition \| Heico Corp
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	90.00%		90.00%