CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - UNAUDITED - USD ($) $ in Thousands	9 Months Ended
	Jul. 31, 2016	Jul. 31, 2015
Operating Activities:
Net income from consolidated operations	$ 126,629	$ 109,533
Adjustments to reconcile net income from consolidated operations to net cash provided by (used in) operating activities:
Depreciation and amortization	44,603	35,066
Employer contributions to HEICO Savings and Investment Plan	5,219	4,482
Share-based compensation expense	4,905	4,394
Change in value of contingent consideration	2,635	(412)
Foreign currency transaction adjustments, net	876	(3,981)
Deferred income tax provision (benefit)	(6,053)	(4,909)
Tax benefit from stock option exercises	867	1,404
Excess tax benefit from stock option exercises	(880)	(1,404)
Changes in operating assets and liabilities, net of acquisitions:
Change in accounts receivable	(2,974)	4,482
Change in inventories	(13,914)	(10,653)
Change in prepaid expenses and other current assets	(1,943)	(548)
Change in trade accounts payable	(2,629)	(6,570)
Change in accrued expenses and other current liabilities	15,630	(7,977)
Change in income taxes payable	1,775	(401)
Other	(2,330)	(1,217)
Net cash provided by operating activities	172,416	121,289
Investing Activities:
Acquisitions, net of cash acquired	(263,811)	(56,198)
Capital expenditures	(23,113)	(13,767)
Other	(3,005)	171
Net cash used in investing activities	(289,929)	(69,794)
Financing Activities:
Borrowings on revolving credit facility	260,000	68,696
Payments on revolving credit facility	(118,000)	(95,000)
Distributions to noncontrolling interests	(16,156)	(7,414)
Cash dividends paid	(10,724)	(9,343)
Business Combination, Consideration Transferred	(6,960)
Acquisitions of noncontrolling interests	(3,599)	0
Proceeds from stock option exercises	4,831	3,258
Excess tax benefit from stock option exercises	880	1,404
Other	(272)	(295)
Net cash (used in) provided by financing activities	110,000	(38,694)
Effect of exchange rate changes on cash	1,101	(1,333)
Net (decrease) increase in cash and cash equivalents	(6,412)	11,468
Cash and cash equivalents at beginning of year	33,603	$ 20,229
Cash and cash equivalents at end of period	$ 27,191