CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - UNAUDITED - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Operating Activities:
Net income from consolidated operations	$ 35,924	$ 32,091
Adjustments to reconcile net income from consolidated operations to net cash provided by (used in) operating activities:
Depreciation and amortization	13,921	10,904
Deferred income tax provision (benefit)	2,276	1,557
Share-based compensation expense	1,680	1,422
Tax benefit from stock option exercises	871	1,407
Excess tax benefit from stock option exercises	(871)	(1,407)
Employer contributions to HEICO Savings and Investment Plan	1,417	1,393
Increase (decrease) in value of contingent consideration	847	20
Foreign currency transaction adjustments, net	(839)	(1,374)
Changes in operating assets and liabilities, net of acquisitions:
Decrease in accounts receivable	12,348	2,082
Increase in inventories	(2,326)	(2,851)
(Increase) decrease in prepaid expenses and other current assets	(3,030)	(2,105)
Decrease in trade accounts payable	(7,696)	(5,299)
Decrease in accrued expenses and other current liabilities	(14,787)	(14,172)
Increase in income taxes payable	5,851	6,323
Other	(419)	(536)
Net cash provided by operating activities	45,167	29,455
Investing Activities:
Acquisitions, net of cash acquired	(264,324)	(49,312)
Capital expenditures	(5,690)	(4,254)
Other	474	76
Net cash used in investing activities	(269,540)	(53,490)
Financing Activities:
Borrowings on revolving credit facility	260,000	56,696
Payments on revolving credit facility	(32,000)	(29,000)
Cash dividends paid	(5,350)	(4,666)
Distributions to noncontrolling interests	(2,696)	(2,557)
Proceeds from stock option exercises	94	1,516
Excess tax benefit from stock option exercises	871	1,407
Other	(86)	(112)
Net cash (used in) provided by financing activities	220,833	23,284
Effect of exchange rate changes on cash	(177)	(1,106)
Net (decrease) increase in cash and cash equivalents	(3,717)	(1,857)
Cash and cash equivalents at beginning of year	33,603	20,229
Cash and cash equivalents at end of period	$ 29,886	$ 18,372