XML 40 R106.htm IDEA: XBRL DOCUMENT
v3.19.3

Accumulated Other Comprehensive Income (Loss) (Changes in AOCIL by Component) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 28, 2019 | Sep. 29, 2018 | Sep. 30, 2017
AOCIL Attributable to Parent, Net of Tax [Roll Forward] |  |  |
AOCIL beginning of year | $ 1,224,986 | $ 1,214,304 |
Other comprehensive income (loss) | (47,885) | 10,357 | $ 99,570
Tax Cuts and Jobs Act, reclassification to retained earnings | 0 | (47,077) | 0
AOCIL end of year | 1,322,481 | 1,224,986 | 1,214,304
Accumulated foreign currency translation |  |  |
AOCIL Attributable to Parent, Net of Tax [Roll Forward] |  |  |
AOCIL beginning of year | (99,415) | (83,166) |
Other comprehensive income (loss) before reclassifications | (26,501) | (17,663) |
Amounts reclassified from AOCIL | (3,483) | 1,414 |
Other comprehensive income (loss) | (29,984) | (16,249) |
Tax Cuts and Jobs Act, reclassification to retained earnings |  | 0 |
AOCIL end of year | (129,399) | (99,415) | (83,166)
Accumulated retirement liability |  |  |
AOCIL Attributable to Parent, Net of Tax [Roll Forward] |  |  |
AOCIL beginning of year | (272,317) | (251,865) |
Other comprehensive income (loss) before reclassifications | (35,606) | 5,557 |
Amounts reclassified from AOCIL | 17,600 | 21,200 |
Other comprehensive income (loss) | (18,006) | 26,757 |
Tax Cuts and Jobs Act, reclassification to retained earnings |  | (47,209) |
AOCIL end of year | (290,323) | (272,317) | (251,865)
Accumulated gain (loss) on derivatives |  |  |
AOCIL Attributable to Parent, Net of Tax [Roll Forward] |  |  |
AOCIL beginning of year | (449) | (460) |
Other comprehensive income (loss) before reclassifications | 41 | (830) |
Amounts reclassified from AOCIL | 64 | 709 |
Other comprehensive income (loss) | 105 | (121) |
Tax Cuts and Jobs Act, reclassification to retained earnings |  | 132 |
AOCIL end of year | (344) | (449) | (460)
Accumulated Other Comprehensive (Loss) Income |  |  |
AOCIL Attributable to Parent, Net of Tax [Roll Forward] |  |  |
AOCIL beginning of year | (372,181) | (335,491) |
Other comprehensive income (loss) before reclassifications | (62,066) | (12,936) |
Amounts reclassified from AOCIL | 14,181 | 23,323 |
Other comprehensive income (loss) | (47,885) | 10,387 | 99,570
Tax Cuts and Jobs Act, reclassification to retained earnings | 0 | (47,077) | 0
AOCIL end of year | $ (420,066) | $ (372,181) | $ (335,491)

X
- Definition Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect + References No definition available. + Details
Name: | mog_TaxCutsandJobsActReclassificationfromAOCItoRetainedEarningsTaxEffect
Namespace Prefix: | mog_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_AOCIAttributableToParentNetOfTaxRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount after tax, before reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118951672&loc=d3e1436-108581 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669619-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118951672&loc=d3e1436-108581 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669625-108580 + Details
Name: | us-gaap_OtherComprehensiveIncomeLossNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount after tax of reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 17B -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL34724394-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118951672&loc=d3e1436-108581 + Details
Name: | us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4I -URI http://asc.fasb.org/extlink&oid=116874947&loc=SL4590271-111686 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568447-111683 + Details
Name: | us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedTranslationAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedOtherComprehensiveIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |