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INCOME TAXES
9 Months Ended
Jul. 31, 2022
Income Tax Disclosure [Abstract]  
Income Tax Disclosure [Text Block] INCOME TAXES
The Company's effective tax rate was 19.4% in the first nine months of fiscal 2022, as compared to 13.3% in the first nine months of fiscal 2021. The increase in the Company's effective tax rate principally reflects a 4.9% unfavorable impact from tax-exempt unrealized losses in the cash surrender values of life insurance policies related to the HEICO Leadership Compensation Plan ("the LCP") recognized in the first nine months of fiscal 2022 as compared to the tax-exempt unrealized gains recognized on such policies in the first nine months of fiscal 2021.

The Company's effective tax rate was 27.0% in the third quarter of fiscal 2022, as compared to 15.7% in the third quarter of fiscal 2021. The increase in the Company's effective tax rate principally reflects a 5.3% unfavorable impact from tax-exempt unrealized losses in the
cash surrender values of life insurance policies related to the LCP recognized in the third quarter of fiscal 2022 as compared to the tax-exempt unrealized gains recognized on such policies in the third quarter of fiscal 2021. The increase also reflects a 2.6% unfavorable impact as the third quarter of fiscal 2021 benefited from a larger income tax credit due to higher qualifying R&D expenditures.