SHAREHOLDERS' EQUITY SHAREHOLDERS' EQUITY (Details Textual) (USD $)	3 Months Ended		6 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013
Cash dividends per share (in dollars per share)	$ 0.00	$ 0.00	$ 0.41	$ 1.76
Dividends, Common Stock, Cash			$ 27,200,000
Business Acquisition, Effective Date of Acquisition			Feb. 18, 2014
Special Dividend [Member]
Cash dividends per share (in dollars per share)			$ 0.35
Regular Semi-Annual Dividend [Member]
Cash dividends per share (in dollars per share)			$ 0.06
Heico Aerospace Holdings Corp. [Member]
Noncontrolling Interest, Ownership Percentage by Parent	80.00%		80.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	20.00%		20.00%
Heico Aerospace Holdings Corp1 [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	20.00%		20.00%
Specialty Products and Distribution Group [Member]
Business Acquisition, Percentage of Voting Interests Acquired	20.00%		20.00%
Business Combination, Consideration Transferred			$ 67,400,000