Percentage of aftermarket sale in commercial production segment.

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13537-108611

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

+ Details

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- Details

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- Details

Name:	us-gaap_MajorCustomersAxis=mog_BoeingCommercialAirplanesMember
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- Details

Name:	us-gaap_MajorCustomersAxis=mog_GovernmentPrimeandSubContractMember
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Segments (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
Segments (Narrative) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Jan. 02, 2016	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015
Revenue, Major Customer and Product Lines
Net sales	$ 649,268	$ 626,183	$ 632,403	$ 589,670	$ 619,078	$ 613,260	$ 611,142	$ 568,457	$ 2,497,524	$ 2,411,937	$ 2,525,532
Percentage of aftermarket sale in both military and commercial production segment									27.00%	29.00%	30.00%
Boeing
Revenue, Major Customer and Product Lines
Revenues									$ 321,110	$ 346,596	$ 399,082
Percentage of sales to Boeing									13.00%	14.00%	16.00%
Boeing Commercial Airplanes
Revenue, Major Customer and Product Lines
Revenues									$ 252,977	$ 251,288	$ 240,984
Government Prime and Sub-Contract
Revenue, Major Customer and Product Lines
Revenues									$ 775,271	$ 726,562	$ 780,259