CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Net sales	$ 1,524,813	$ 1,376,258	$ 1,188,648
Operating costs and expenses:
Cost of sales	950,088	860,766	754,469
Selling, general and administrative expenses	268,067	250,147	204,523
Total operating costs and expenses	1,218,155	1,110,913	958,992
Operating income	306,658	265,345	229,656
Interest expense	(9,790)	(8,272)	(4,626)
Other income	1,092	(23)	(66)
Income before taxes and noncontrolling interests	297,960	257,050	224,964
Income tax expense	90,300	80,900	71,400
Net income from consolidated operations	207,660	176,150	153,564
Less: Net income attributable to noncontrolling interests	21,675	19,958	20,200
Net income attributable to HEICO	$ 185,985	$ 156,192	$ 133,364
Net income per share attributable to HEICO shareholders:
Basic (in dollars per share)	$ 2.21	$ 1.86	$ 1.60
Diluted (in dollars per share)	$ 2.14	$ 1.83	$ 1.57
Weighted average number of common shares outstanding:
Basic (in shares)	84,290	83,807	83,425
Diluted (in shares)	86,776	85,213	84,764