CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - UNAUDITED - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Net sales	$ 430,602	$ 368,657	$ 835,012	$ 712,089
Operating costs and expenses:
Cost of sales	262,745	228,275	512,364	446,290
Selling, general and administrative expenses	76,292	63,840	151,523	124,707
Total operating costs and expenses	339,037	292,115	663,887	570,997
Operating income	91,565	76,542	171,125	141,092
Interest expense	(4,904)	(1,960)	(9,629)	(3,929)
Other income	(250)	151	110	635
Income before income taxes and noncontrolling interests	86,411	74,733	161,606	137,798
Income tax expense	20,400	23,900	23,900	40,700
Net income from consolidated operations	66,011	50,833	137,706	97,098
Less: Net income attributable to noncontrolling interests	6,393	5,147	12,936	10,485
Net income attributable to HEICO	$ 59,618	$ 45,686	$ 124,770	$ 86,613
Net income per share attributable to HEICO shareholders:
Basic (in dollars per share)	$ 0.56	$ 0.43	$ 1.18	$ 0.82
Diluted (in dollars per share)	$ 0.55	$ 0.42	$ 1.14	$ 0.80
Weighted average number of common shares outstanding:
Basic (in shares)	105,940	105,276	105,789	105,227
Diluted (in shares)	109,271	108,296	109,191	108,150
Cash dividends per share (in dollars per share)	$ 0.00	$ 0.00	$ 0.070	$ 0.058