XML 83 R1.htm IDEA: XBRL DOCUMENT v2.4.1.9
DOCUMENT AND ENTITY INFORMATION (USD $)
 12 Months Ended
Oct. 31, 2014
Apr. 30, 2014
Dec. 16, 2014
Document and Entity Information [Abstract]      
Document Type 10-K    
Document Period End Date Oct. 31, 2014    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2014    
Current Fiscal Year End Date --10-31    
Entity Registrant Name HEICO CORP    
Trading Symbol hei    
Entity Central Index Key 0000046619    
Entity Filer Category Large Accelerated Filer    
Amendment Flag false    
Entity Well-Known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float   $ 2,843,094,000dei_EntityPublicFloat  
Heico Common Stock [Member]      
Document and Entity Information [Abstract]      
Entity Common Stock, Shares Outstanding     26,847,008dei_EntityCommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= hei_HeicoCommonStockMember
Common Class A [Member]      
Document and Entity Information [Abstract]      
Entity Common Stock, Shares Outstanding     39,702,323dei_EntityCommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember