Document And Entity Information	6 Months Ended
	Mar. 31, 2012	May 03, 2012 Class A Common Stock [Member]	May 03, 2012 Class B Common Stock [Member]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
Entity Registrant Name	MOOG INC
Entity Central Index Key	0000067887
Current Fiscal Year End Date	--09-29
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		41,261,227	3,992,832