NET INCOME PER SHARE ATTRIBUTABLE TO HEICO SHAREHOLDERS (Details Textuals) (USD $)	3 Months Ended		9 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010
Adjustment to the redemption amount of redeemable noncontrolling interest.	$ (980,000)	$ 272,000	$ (1,619,000)	$ (39,000)