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Restructuring (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Apr. 04, 2015
Sep. 27, 2014
Restructuring Cost and Reserve [Line Items]    
Restructuring Reserve $ 3,088us-gaap_RestructuringReserve $ 11,389us-gaap_RestructuringReserve
2014 Plan [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring and Related Activities, Completion Date Oct. 03, 2015  
Restructuring Reserve $ 3,088us-gaap_RestructuringReserve
/ us-gaap_RestructuringPlanAxis
= mog_A2014PlanMember		  
2013 Plan [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring and Related Activities, Completion Date Apr. 04, 2015