CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Operating Activities:
Net income from consolidated operations	$ 329,758	$ 335,855	$ 359,741
Adjustments to reconcile net income from consolidated operations to net cash provided by operating activities:
Depreciation and amortization	93,019	88,561	83,497
Share-based compensation expense	9,058	10,134	10,334
Employer contributions to HEICO Savings and Investment Plan	10,091	9,576	9,528
Deferred Income Taxes and Tax Credits	(15,635)	(5,998)	(6,392)
Increase in accrued contingent consideration	1,246	515	2,630
Payment of contingent consideration		(175)	(3,105)
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(27,300)	71,515	(28,976)
Contract assets	376	(16,398)	11,583
Inventories	(10,121)	(28,315)	(30,077)
Prepaid expenses and other current assets	(4,795)	2,471	609
Trade accounts payable	6,907	(30,327)	(3,851)
Accrued expenses and other current liabilities	33,634	(37,905)	17,151
Income taxes payable	2,821	(9,586)	1,296
Change in long-term liabilities and assets related to HEICO LCP	12,781	14,836	12,920
Other	2,244	4,366	490
Net cash provided by operating activities	444,084	409,125	437,378
Investing Activities:
Acquisitions, net of cash acquired	(136,500)	(163,939)	(240,841)
Capital expenditures	(36,183)	(22,940)	(28,938)
Net Investment Related to HEICO LCP	(14,000)	(15,900)	(13,701)
Other	3,229	3,736	2,834
Net cash used in investing activities	(183,454)	(199,043)	(280,646)
Financing Activities:
Payments on revolving credit facility	(505,000)	(68,000)	(283,000)
Borrowings on revolving credit facility	0	245,000	313,000
Distributions to noncontrolling interests	(27,963)	(17,908)	(110,869)
Cash dividends paid	(23,002)	(21,552)	(18,691)
Redemption of common stock related to stop option exercises	(3,791)	(12,120)	(64,014)
Acquisitions of noncontrolling interests	(2,336)	(7,475)	0
Revolving credit facility issuance costs	(1,468)	0	0
Payment of contingent consideration	0	(325)	(4,073)
Proceeds from stock option exercises	5,344	6,955	8,547
Proceeds from Noncontrolling Interests	534	14,329	0
Other	(1,286)	(1,161)	(620)
Net cash (used in) provided by financing activities	(558,968)	137,743	(159,720)
Effect of exchange rate changes on cash	(216)	2,026	390
Net increase (decrease) in cash and cash equivalents	(298,554)	349,851	(2,598)
Cash and cash equivalents at beginning of year	406,852	57,001	59,599
Cash and cash equivalents at end of year	$ 108,298	$ 406,852	$ 57,001