NET INCOME PER SHARE ATTRIBUTABLE TO HEICO SHAREHOLDERS (Details Textuals) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Apr. 30, 2012	Apr. 30, 2011	Apr. 30, 2012	Apr. 30, 2011
Adjustments to redemption amount of redeemable noncontrolling interest.	$ (500)	$ (500)	$ 522	$ (639)

Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest.

No definition available.

Name:	us-gaap_MinorityInterestChangeInRedemptionValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration