CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Net sales	$ 1,777,721	$ 1,524,813	$ 1,376,258
Operating costs and expenses:
Cost of sales	1,087,006	950,088	860,766
Selling, general and administrative expenses	314,470	268,067	250,147
Total operating costs and expenses	1,401,476	1,218,155	1,110,913
Operating income	376,245	306,658	265,345
Interest expense	(19,901)	(9,790)	(8,272)
Other income	(58)	1,092	(23)
Income before taxes and noncontrolling interests	356,286	297,960	257,050
Income tax expense	70,600	90,300	80,900
Net income from consolidated operations	285,686	207,660	176,150
Less: Net income attributable to noncontrolling interests	26,453	21,675	19,958
Net income attributable to HEICO	$ 259,233	$ 185,985	$ 156,192
Net income per share attributable to HEICO shareholders:
Basic (in dollars per share)	$ 1.96	$ 1.41	$ 1.19
Diluted (in dollars per share)	$ 1.90	$ 1.37	$ 1.17
Weighted average number of common shares outstanding:
Basic (in shares)	132,543	131,703	130,948
Diluted (in shares)	136,696	135,588	133,145