Subsequent Events	6 Months Ended
Subsequent Events	Apr. 30, 2023
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENT Wencor Acquisition On May 15, 2023, the Company and its newly formed wholly owned subsidiary, Magnolia Merge Inc., a Delaware corporation (“Merger Sub”), entered into an Agreement and Plan of Merger (the “Merger Agreement”) to acquire Jazz Parent, Inc., a Delaware corporation, the owner of Wencor Group (the “Target” or "Wencor"), with the Target and Jazz Topco GP LLC, a Delaware limited liability company, solely in its capacity as representative for purposes of certain provisions of the Merger Agreement. Merger Sub will merge with and into the Target, with the Target continuing as the surviving entity and a wholly owned subsidiary of the Company (the “Merger”), for an aggregate purchase price of $1.9 billion in cash (the “Cash Consideration”), subject to certain working capital, debt and other customary adjustments set forth in the Merger Agreement, and 1,137,656 shares of HEICO Class A Common Stock. Wencor is a large commercial and military aircraft aftermarket company offering factory-new FAA-approved aircraft replacement parts, value-added distribution of high-use commercial & military aftermarket parts and aircraft & engine accessory component repair and overhaul services. Subject to the satisfaction of the closing conditions, the Merger is expected to close by the end of calendar 2023. The completion of the Merger is subject to customary closing conditions, including the expiration or termination of the applicable waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, and the receipt of certain other regulatory approvals. The Merger Agreement contains customary termination rights for the parties thereto, including by mutual consent of the Company and the representative and under certain other circumstances, including by the Company or the representative if the Merger has not occurred on or before the nine-month anniversary of the signing of the Merger Agreement subject to up to two 90-day extensions if on such date a closing condition related to regulatory approvals has not been satisfied or waived. The Company is required to pay Target a termination fee of $143.5 million in cash upon termination of the Merger Agreement under specified circumstances, including the failure to obtain regulatory approvals or, among others, if the Company materially breaches its regulatory covenants such that there is a failure of certain conditions to the Merger. Wencor Acquisition Financing In connection with the Merger, on May 14, 2023, the Company entered into an engagement letter with Truist Securities, Inc. to, among other things, increase the commitments under its existing credit facility from $1.5 billion to $2.0 billion and to extend the maturity date thereunder to a date that is five years from the closing date, and has also entered into a commitment letter (the “Commitment Letter”) with Truist Bank (the “Bridge Lender”) and Truist Securities, Inc., pursuant to which the Bridge Lender has committed to provide a senior unsecured credit facility to the Company, as the borrower, in an aggregate amount of up to $1.5 billion (the “Bridge Facility”), with a maturity date of 364 days following the closing date. The obligation to fund the Bridge Facility is subject to the satisfaction of certain conditions set forth in the Commitment Letter. The Company's currently committed credit facilities, together with cash on hand, are sufficient to fund the purchase price for the Merger.