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Goodwill And Intangible Assets (Changes In Carrying Amount Of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jan. 03, 2015
Goodwill [Line Items]
Beginning balance	$ 757,852us-gaap_Goodwill
Foreign Currency Translation	(11,295)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments
Ending balance	746,557us-gaap_Goodwill
Aircraft Controls [Member]
Goodwill [Line Items]
Beginning balance	192,852us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mog_AircraftControlsMember
Foreign Currency Translation	(3,708)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = mog_AircraftControlsMember
Ending balance	189,144us-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
Foreign Currency Translation	(647)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = mog_SpaceAndDefenseControlsMember
Ending balance	158,960us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mog_SpaceAndDefenseControlsMember
Industrial Systems [Member]
Goodwill [Line Items]
Beginning balance	118,009us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mog_IndustrialSystemsMember
Foreign Currency Translation	(4,179)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = mog_IndustrialSystemsMember
Ending balance	113,830us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mog_IndustrialSystemsMember
Components [Member]
Goodwill [Line Items]
Beginning balance	202,910us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mog_ComponentsMember
Foreign Currency Translation	(2,171)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = mog_ComponentsMember
Ending balance	200,739us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mog_ComponentsMember
Medical Devices [Member]
Goodwill [Line Items]
Beginning balance	84,474us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mog_MedicalDevicesMember
Foreign Currency Translation	(590)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = mog_MedicalDevicesMember
Ending balance	$ 83,884us-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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- Details

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