XML 12 R1.htm IDEA: XBRL DOCUMENT v3.8.0.1
Document And Entity Information - USD ($)
 3 Months Ended
Dec. 30, 2017
Jan. 23, 2018
Apr. 02, 2017
Document Information      
Entity Registrant Name MOOG INC.    
Entity Central Index Key 0000067887    
Current Fiscal Year End Date --09-29    
Entity Filer Category Large Accelerated Filer    
Document Type 10-Q    
Document Period End Date Dec. 30, 2017    
Document Fiscal Year Focus 2018    
Document Fiscal Period Focus Q1    
Amendment Flag false    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 2,212,000,000
Class A Common Stock      
Document Information      
Entity Common Stock, Shares Outstanding   32,397,457  
Entity Listing, Par Value Per Share $ 1.00    
Class B Common Stock      
Document Information      
Entity Common Stock, Shares Outstanding   3,380,636  
Entity Listing, Par Value Per Share $ 1.00