CONDENSED CONSOLIDATED BALANCE SHEETS - UNAUDITED - USD ($) shares in Thousands, $ in Thousands	Apr. 30, 2023	Oct. 31, 2022
Current assets:
Cash and cash equivalents	$ 127,161	$ 139,504
Accounts receivable, net	361,057	294,848
Contract assets	103,448	93,978
Inventories, net	721,569	582,471
Prepaid expenses and other current assets	53,404	41,929
Total current assets	1,366,639	1,152,730
Property, plant and equipment, net	273,856	225,879
Goodwill	2,031,235	1,672,425
Intangible assets, net	844,319	733,327
Other assets	354,150	311,135
Total assets	4,870,199	4,095,496
Current liabilities:
Debt, Current	18,860	1,654
Trade accounts payable	147,708	116,551
Accrued expenses and other current liabilities	296,159	290,199
Income taxes payable	4,101	12,455
Total current liabilities	466,828	420,859
Long-term debt, net of current maturities	735,779	288,620
Deferred income taxes	94,468	71,162
Other long-term liabilities	367,624	338,948
Total liabilities	1,664,699	1,119,589
Commitments and contingencies
Redeemable noncontrolling interests	345,833	327,601
Shareholders' equity:
Preferred Stock, $.01 par value per share; 10,000 shares authorized; none issued	0	0
Capital in excess of par value	398,991	397,337
Deferred compensation obligation	6,171	5,297
HEICO stock held by irrevocable trust	(6,171)	(5,297)
Accumulated other comprehensive loss	(17,626)	(46,499)
Retained earnings	2,435,155	2,253,932
Total HEICO shareholders' equity	2,817,890	2,606,136
Noncontrolling interests	41,777	42,170
Total shareholders' equity	2,859,667	2,648,306
Total liabilities and equity	$ 4,870,199	$ 4,095,496
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	10,000	10,000
Preferred Stock, Shares Issued	0	0
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	150,000	150,000
Common Stock, Shares, Issued	54,701	54,519
Common Stock, Shares, Outstanding	54,701	54,519
Class A Common Stock [Member]
Shareholders' equity:
Common Stock	$ 823	$ 821
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	150,000	150,000
Common Stock, Shares, Issued	82,278	82,093
Common Stock, Shares, Outstanding	82,278	82,093
Heico Common Stock [Member]
Shareholders' equity:
Common Stock	$ 547	$ 545