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Document And Entity Information - USD ($)
 9 Months Ended
Jul. 04, 2015
Jul. 29, 2015
Apr. 04, 2015
Document Information      
Document Type 10-Q    
Amendment Flag false    
Document Period End Date Jul. 04, 2015    
Document Fiscal Year Focus 2015    
Document Fiscal Period Focus Q3    
Entity Registrant Name MOOG INC.    
Entity Central Index Key 0000067887    
Current Fiscal Year End Date --10-03    
Entity Filer Category Large Accelerated Filer    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 2,579,000,000
Class A Common Stock      
Document Information      
Entity Common Stock, Shares Outstanding   33,899,751  
Entity Listing, Par Value Per Share $ 1.00    
Class B Common Stock      
Document Information      
Entity Common Stock, Shares Outstanding   3,429,353  
Entity Listing, Par Value Per Share $ 1.00