XML 13 R1.htm IDEA: XBRL DOCUMENT v3.19.1
Document And Entity Information - USD ($)
 6 Months Ended
Mar. 30, 2019
Apr. 23, 2019
Apr. 01, 2018
Document Information      
Entity Registrant Name MOOG INC.    
Entity Central Index Key 0000067887    
Current Fiscal Year End Date --09-28    
Entity Filer Category Large Accelerated Filer    
Document Type 10-Q    
Document Period End Date Mar. 30, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus Q2    
Amendment Flag false    
Entity Current Reporting Status Yes    
Entity Public Float     $ 2,718,000,000
Entity Emerging Growth Company false    
Entity Small Business false    
Class A Common Stock      
Document Information      
Entity Common Stock, Shares Outstanding   32,477,568  
Entity Listing, Par Value Per Share $ 1.00    
Class B Common Stock      
Document Information      
Entity Common Stock, Shares Outstanding   2,423,575  
Entity Listing, Par Value Per Share $ 1.00