CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - UNAUDITED - USD ($) $ in Thousands	6 Months Ended
	Apr. 30, 2017	Apr. 30, 2016
Operating Activities:
Net income from consolidated operations	$ 97,098	$ 79,653
Adjustments to reconcile net income from consolidated operations to net cash provided by (used in) operating activities:
Depreciation and amortization	30,501	29,183
Share-based compensation expense	3,110	3,286
Employer contributions to HEICO Savings and Investment Plan	3,679	3,266
Foreign currency transaction adjustments, net	(280)	2,186
Change in value of contingent consideration	1,148	1,679
Deferred income tax provision (benefit)	(2,909)	(1,168)
Tax benefit from stock option exercises	0	870
Excess tax benefit from stock option exercises	0	(870)
Changes in operating assets and liabilities, net of acquisitions:
Change in accounts receivable	1,358	7,875
Change in inventories	(14,251)	(9,855)
Change in prepaid expenses and other current assets	(225)	(2,616)
Change in trade accounts payable	(7,567)	(4,860)
Change in accrued expenses and other current liabilities	(11,176)	(10,224)
Change in income taxes payable	(2,023)	5,489
Other	(750)	(1,189)
Net cash provided by operating activities	97,713	102,705
Investing Activities:
Acquisitions, net of cash acquired	(80,838)	(263,811)
Capital expenditures	(13,538)	(15,546)
Other	(944)	(3,241)
Net cash used in investing activities	(95,320)	(282,598)
Financing Activities:
Borrowings on revolving credit facility	87,000	260,000
Payments on revolving credit facility	(84,000)	(66,000)
Distributions to noncontrolling interests	(3,897)	(5,507)
Cash dividends paid	(6,059)	(5,350)
Acquisitions of noncontrolling interests	(3,848)	(3,599)
Proceeds from stock option exercises	2,297	1,471
Excess tax benefit from stock option exercises	0	870
Payments of Debt Restructuring Costs	(270)
Other	(371)	(181)
Net cash (used in) provided by financing activities	(9,148)	181,704
Effect of exchange rate changes on cash	532	1,375
Net (decrease) increase in cash and cash equivalents	(6,223)	$ 3,186
Cash and cash equivalents at beginning of year	42,955
Cash and cash equivalents at end of period	$ 36,732