CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Operating Activities:
Net income from consolidated operations	$ 176,150	$ 153,564	$ 138,772
Adjustments to reconcile net income from consolidated operations to net cash provided by operating activities:
Depreciation and amortization	60,277	47,907	47,757
Impairment of intangible assets	0	0	15,000
Employer contributions to HEICO Savings and Investment Plan	7,020	6,125	6,302
Share-based compensation expense	6,434	6,048	6,426
Accrued contingent consideration	3,063	293
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset			(28,126)
Foreign Currency Transaction Loss, before Tax	13
Foreign Currency Transaction Gain, before Tax		(3,704)
Deferred income tax benefit	(9,194)	(7,080)	(16,745)
Tax benefit from stock option exercises	868	1,402	93
Excess tax benefit from stock option exercises	(881)	(1,402)	(93)
Payment of contingent consideration	631
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(15,955)	(22,572)	6,999
Inventories	(14,421)	(10,187)	126
Prepaid expenses and other current assets	(2,356)	1,433	8,033
Trade accounts payable	4,074	3,169	2,511
Accrued expenses and other current liabilities	35,279	(883)	(3,090)
Income taxes payable	1,443	373	1,462
Other	(1,999)	(1,623)	5,262
Net cash provided by operating activities	249,184	172,863	190,689
Investing Activities:
Acquisitions, net of cash acquired	(263,811)	(166,784)	(8,737)
Capital expenditures	(30,863)	(18,249)	(16,410)
Other	(2,942)	(973)	(40)
Net cash used in investing activities	(297,616)	(186,006)	(25,187)
Financing Activities:
Borrowings on revolving credit facility	260,000	173,696	112,000
Payments on revolving credit facility	(170,000)	(132,000)	(159,000)
Distributions to noncontrolling interests	(19,017)	(9,699)	(79,212)
Cash dividends paid	(10,724)	(9,343)	(31,215)
Payment of contingent consideration	(6,329)
Acquisitions of noncontrolling interests	(3,599)	0	(1,243)
Proceeds from stock option exercises	5,924	3,673	708
Excess tax benefit from stock option exercises	881	1,402	93
Revolving credit facility issuance costs	0	0	(767)
Other	(364)	(393)	(1,479)
Net cash (used in) provided by financing activities	56,772	27,336	(160,115)
Effect of exchange rate changes on cash	1,012	(819)	(657)
Net increase (decrease) in cash and cash equivalents	9,352	13,374	4,730
Cash and cash equivalents at beginning of year	33,603	20,229	15,499
Cash and cash equivalents at end of year	$ 42,955	$ 33,603	$ 20,229