INCOME TAXES	3 Months Ended
Jan. 31, 2021
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Text Block]	INCOME TAXES The Company's income tax expense was $2.3 million in the first quarter of fiscal 2021, as compared to an income tax benefit of $22.9 million in the first quarter of fiscal 2020. The Company recognized a discrete tax benefit from stock option exercises in both the first quarter of fiscal 2021 and 2020 of $13.5 million and $47.6 million, respectively. The tax benefit from stock option exercises in both periods was the result of strong appreciation in HEICO's stock price during the optionees' holding periods and the $34.1 million larger benefit recognized in the first quarter of fiscal 2020 was the result of more stock options exercised.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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