CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Net sales	$ 2,055,647	$ 1,777,721	$ 1,524,813
Operating costs and expenses:
Cost of sales	1,241,807	1,087,006	950,088
Selling, general and administrative expenses	356,743	314,470	268,067
Total operating costs and expenses	1,598,550	1,401,476	1,218,155
Operating income	457,097	376,245	306,658
Interest expense	(21,695)	(19,901)	(9,790)
Other income	2,439	(58)	1,092
Income before taxes and noncontrolling interests	437,841	356,286	297,960
Income tax expense	78,100	70,600	90,300
Net income from consolidated operations	359,741	285,686	207,660
Less: Net income attributable to noncontrolling interests	31,845	26,453	21,675
Net income attributable to HEICO	$ 327,896	$ 259,233	$ 185,985
Net income per share attributable to HEICO shareholders:
Basic (in dollars per share)	$ 2.45	$ 1.96	$ 1.41
Diluted (in dollars per share)	$ 2.39	$ 1.90	$ 1.37
Weighted average number of common shares outstanding:
Basic (in shares)	133,640	132,543	131,703
Diluted (in shares)	137,350	136,696	135,588