CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Net sales	$ 2,968,105	$ 2,208,322	$ 1,865,682
Operating costs and expenses:
Cost of sales	1,814,617	1,345,563	1,138,259
Selling, general and administrative expenses	528,149	365,915	334,523
Total operating costs and expenses	2,342,766	1,711,478	1,472,782
Operating income	625,339	496,844	392,900
Interest expense	(72,984)	(6,386)	(7,285)
Other income	2,928	565	1,443
Income before taxes and noncontrolling interests	555,283	491,023	387,058
Income tax expense	110,900	100,400	57,300
Net income from consolidated operations	444,383	390,623	329,758
Less: Net income attributable to noncontrolling interests	40,787	38,948	25,538
Net income attributable to HEICO	$ 403,596	$ 351,675	$ 304,220
Net income per share attributable to HEICO shareholders:
Basic (in dollars per share)	$ 2.94	$ 2.59	$ 2.25
Diluted (in dollars per share)	$ 2.91	$ 2.55	$ 2.21
Weighted average number of common shares outstanding:
Basic (in shares)	137,185	136,010	135,326
Diluted (in shares)	138,905	138,037	137,854