CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Net sales	$ 1,865,682	$ 1,787,009	$ 2,055,647
Operating costs and expenses:
Cost of sales	1,138,259	1,104,882	1,241,807
Selling, general and administrative expenses	334,523	305,479	356,743
Total operating costs and expenses	1,472,782	1,410,361	1,598,550
Operating income	392,900	376,648	457,097
Interest expense	(7,285)	(13,159)	(21,695)
Other income	1,443	1,366	2,439
Income before taxes and noncontrolling interests	387,058	364,855	437,841
Income tax expense	57,300	29,000	78,100
Net income from consolidated operations	329,758	335,855	359,741
Less: Net income attributable to noncontrolling interests	25,538	21,871	31,845
Net income attributable to HEICO	$ 304,220	$ 313,984	$ 327,896
Net income per share attributable to HEICO shareholders:
Basic (in dollars per share)	$ 2.25	$ 2.33	$ 2.45
Diluted (in dollars per share)	$ 2.21	$ 2.29	$ 2.39
Weighted average number of common shares outstanding:
Basic (in shares)	135,326	134,754	133,640
Diluted (in shares)	137,854	137,302	137,350