CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Operating Activities:
Net income from consolidated operations	$ 207,660	$ 176,150	$ 153,564
Adjustments to reconcile net income from consolidated operations to net cash provided by operating activities:
Depreciation and amortization	64,823	60,277	47,907
Employer contributions to HEICO Savings and Investment Plan	7,768	7,020	6,125
Share-based compensation expense	7,415	6,434	6,048
Accrued contingent consideration	1,100	3,063	293
Foreign Currency Transaction Loss, before Tax	3,347	13	(3,704)
Deferred income tax benefit	(11,096)	(9,194)	(7,080)
Tax benefit from stock option exercises	0	868	1,402
Excess tax benefit from stock option exercises	0	(881)	(1,402)
Payment of contingent consideration		(631)
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	2,846	(15,955)	(22,572)
Inventories	(21,204)	(14,421)	(10,187)
Prepaid expenses and other current assets	134	(2,356)	1,433
Trade accounts payable	6,386	4,074	3,169
Accrued expenses and other current liabilities	1,794	35,279	(883)
Income taxes payable	6,071	1,443	373
Other	(2,159)	(1,999)	(1,623)
Net cash provided by operating activities	274,885	249,184	172,863
Investing Activities:
Acquisitions, net of cash acquired	(418,265)	(263,811)	(166,784)
Capital expenditures	(25,998)	(30,863)	(18,249)
Other	(552)	(2,942)	(973)
Net cash used in investing activities	(444,815)	(297,616)	(186,006)
Financing Activities:
Borrowings on revolving credit facility	404,000	260,000	173,696
Payments on revolving credit facility	(190,877)	(170,000)	(132,000)
Distributions to noncontrolling interests	(18,401)	(19,017)	(9,699)
Cash dividends paid	(12,807)	(10,724)	(9,343)
Payment of contingent consideration	(7,039)	(6,329)
Acquisitions of noncontrolling interests	(3,848)	(3,599)	0
Proceeds from stock option exercises	5,659	5,924	3,673
Excess tax benefit from stock option exercises		881	1,402
Revolving credit facility issuance costs	(270)
Other	(545)	(364)	(393)
Net cash (used in) provided by financing activities	175,872	56,772	27,336
Effect of exchange rate changes on cash	3,169	1,012	(819)
Net increase (decrease) in cash and cash equivalents	9,111	9,352	13,374
Cash and cash equivalents at beginning of year	42,955	33,603	20,229
Cash and cash equivalents at end of year	$ 52,066	$ 42,955	$ 33,603