Document And Entity Information (USD $)	12 Months Ended
	Sep. 29, 2012	Mar. 31, 2012	Nov. 16, 2012 Class A Common Stock [Member]	Nov. 16, 2012 Class B Common Stock [Member]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Sep. 29, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q4
Entity Registrant Name	MOOG INC
Entity Central Index Key	0000067887
Current Fiscal Year End Date	--09-29
Entity Well-known Seasoned Issuer	Yes
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding			41,359,594	3,991,786
Entity Public Float		$ 1,717