CONDENSED CONSOLIDATED BALANCE SHEETS - UNAUDITED - USD ($) shares in Thousands, $ in Thousands	Apr. 30, 2022	Oct. 31, 2021
Current assets:
Cash and cash equivalents	$ 117,318	$ 108,298
Accounts receivable, net	269,850	244,919
Contract assets	79,598	80,073
Inventories, net	519,498	478,050
Prepaid expenses and other current assets	46,461	26,045
Total current assets	1,032,725	937,385
Property, plant and equipment, net	193,558	193,638
Goodwill	1,511,466	1,450,395
Intangible assets, net	624,917	582,307
Other assets	322,667	334,682
Total assets	3,685,333	3,498,407
Current liabilities:
Current maturities of long-term debt	1,781	1,515
Trade accounts payable	97,089	85,544
Accrued expenses and other current liabilities	203,289	206,857
Income taxes payable	2,033	964
Total current liabilities	304,192	294,880
Long-term debt, net of current maturities	264,095	234,983
Deferred income taxes	42,629	40,761
Other long-term liabilities	350,016	378,257
Total liabilities	960,932	948,881
Commitments and contingencies
Redeemable noncontrolling interests	303,927	252,587
Shareholders' equity:
Preferred Stock, $.01 par value per share; 10,000 shares authorized; none issued	0	0
Capital in excess of par value	311,053	320,747
Deferred compensation obligation	5,297	5,297
HEICO stock held by irrevocable trust	(5,297)	(5,297)
Accumulated other comprehensive loss	(30,554)	(8,552)
Retained earnings	2,100,178	1,949,521
Total HEICO shareholders' equity	2,382,036	2,263,071
Noncontrolling interests	38,438	33,868
Total shareholders' equity	2,420,474	2,296,939
Total liabilities and equity	$ 3,685,333	$ 3,498,407
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	54,504	54,264
Common Stock, Shares, Outstanding	54,504	54,264
Class A Common Stock [Member]
Shareholders' equity:
Common Stock	$ 814	$ 812
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	150,000	150,000
Common Stock, Shares, Issued	81,449	81,224
Common Stock, Shares, Outstanding	81,449	81,224
Heico Common Stock [Member]
Shareholders' equity:
Common Stock	$ 545	$ 543