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Goodwill And Intangible Assets (Changes In Carrying Amount Of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Apr. 04, 2015
Goodwill [Line Items]
Beginning balance	$ 757,852us-gaap_Goodwill
Divestiture	(1,715)us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit
Foreign Currency Translation	(20,620)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments
Ending balance	735,517us-gaap_Goodwill
Aircraft Controls [Member]
Goodwill [Line Items]
Beginning balance	192,852us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mog_AircraftControlsMember
Divestiture	0us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit / us-gaap_StatementBusinessSegmentsAxis = mog_AircraftControlsMember
Foreign Currency Translation	(5,361)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = mog_AircraftControlsMember
Ending balance	187,491us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mog_AircraftControlsMember
Space And Defense Controls [Member]
Goodwill [Line Items]
Beginning balance	159,607us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mog_SpaceAndDefenseControlsMember
Divestiture	0us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit / us-gaap_StatementBusinessSegmentsAxis = mog_SpaceAndDefenseControlsMember
Foreign Currency Translation	(1,616)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = mog_SpaceAndDefenseControlsMember
Ending balance	157,991us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mog_SpaceAndDefenseControlsMember
Industrial Systems [Member]
Goodwill [Line Items]
Beginning balance	118,009us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mog_IndustrialSystemsMember
Divestiture	0us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit / us-gaap_StatementBusinessSegmentsAxis = mog_IndustrialSystemsMember
Foreign Currency Translation	(8,313)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = mog_IndustrialSystemsMember
Ending balance	109,696us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mog_IndustrialSystemsMember
Components [Member]
Goodwill [Line Items]
Beginning balance	202,910us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mog_ComponentsMember
Divestiture	0us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit / us-gaap_StatementBusinessSegmentsAxis = mog_ComponentsMember
Foreign Currency Translation	(3,855)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = mog_ComponentsMember
Ending balance	199,055us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mog_ComponentsMember
Medical Devices [Member]
Goodwill [Line Items]
Beginning balance	84,474us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mog_MedicalDevicesMember
Divestiture	(1,715)us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit / us-gaap_StatementBusinessSegmentsAxis = mog_MedicalDevicesMember
Foreign Currency Translation	(1,475)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = mog_MedicalDevicesMember
Ending balance	$ 81,284us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mog_MedicalDevicesMember

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

+ Details

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- Details

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X

- Definition

Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Definition

Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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