CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - UNAUDITED - USD ($) $ in Thousands	6 Months Ended
	Apr. 30, 2022	Apr. 30, 2021
Operating Activities:
Net income from consolidated operations	$ 187,364	$ 152,719
Adjustments to reconcile net income from consolidated operations to net cash provided by (used in) operating activities:
Depreciation and amortization	46,707	45,919
Share-based compensation expense	6,855	4,271
Employer contributions to HEICO Savings and Investment Plan	5,364	5,046
Deferred income tax provision (benefit)	2,080	(8,487)
Change in value of contingent consideration	(1,773)	659
Changes in operating assets and liabilities, net of acquisitions:
Change in accounts receivable	(20,263)	(3,795)
Change in contract assets	1,778	596
Change in inventories	(42,766)	2,932
Change in prepaid expenses and other current assets	(8,974)	(12,032)
Change in trade accounts payable	8,137	10,843
Change in accrued expenses and other current liabilities	(15,946)	1,981
Change in income taxes payable	(9,343)	(4,076)
Change in other long-term liabilities and assets related to HEICO Leadership Compensation Plan	13,356	11,826
Other	2,177	1,710
Net cash provided by operating activities	174,753	210,112
Investing Activities:
Acquisitions, net of cash acquired	(105,533)	(20,226)
Capital expenditures	(16,211)	(21,938)
Net Investment Related to Deferred Compensation Plan	(11,700)	(10,900)
Other	(10,511)	1,017
Net cash used in investing activities	(143,955)	(52,047)
Financing Activities:
Proceeds from Long-term Lines of Credit	93,000
Payments on revolving credit facility	(65,000)	(155,000)
Common Stock Issued Repurchased and Retired Related To Stock Option Exercises	(23,692)	(3,624)
Cash dividends paid	(12,227)	(10,818)
Distributions to noncontrolling interests	(10,576)	(13,823)
Payments of Debt Issuance Costs	(1,010)	(1,468)
Proceeds from stock option exercises	1,610	3,838
Other	(210)	(522)
Net cash (used in) provided by financing activities	(18,105)	(181,417)
Effect of exchange rate changes on cash	(3,673)	1,944
Net (decrease) increase in cash and cash equivalents	9,020	(21,408)
Cash and cash equivalents at beginning of year	108,298	406,852
Cash and cash equivalents at end of period	$ 117,318	$ 385,444