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Employee Benefit Plans (Tables) | 12 Months Ended
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Oct. 01, 2016
Pension and Other Postretirement Benefit Expense [Abstract] |
Schedule Of Changes In Projected Benefit Obligations And Plan Assets And Funded Status |
| U.S. Plans |  | Non-U.S. Plans
| 2016 |  | 2015 |  | 2016 |  | 2015
Change in projected benefit obligation: |  |  |  |  |  |  |
Projected benefit obligation at prior year measurement date | $ | 850,991 |  |  | $ | 784,203 |  |  | $ | 180,111 |  |  | $ | 188,942 |
Service cost | 23,637 |  |  | 23,635 |  |  | 5,204 |  |  | 6,087 |
Interest cost | 37,659 |  |  | 34,031 |  |  | 4,928 |  |  | 4,814 |
Contributions by plan participants | — |  |  | — |  |  | 863 |  |  | 774 |
Actuarial losses | 96,107 |  |  | 35,064 |  |  | 38,265 |  |  | 4,639 |
Foreign currency exchange impact | — |  |  | — |  |  | (4,063 | ) |  | (19,149 | )
Benefits paid from plan assets | (24,710 | ) |  | (22,612 | ) |  | (1,632 | ) |  | (2,186 | )
Benefits paid by Moog | (2,754 | ) |  | (2,508 | ) |  | (2,429 | ) |  | (2,312 | )
Other | (1,875 | ) |  | (822 | ) |  | (1,939 | ) |  | (1,498 | )
Projected benefit obligation at measurement date | $ | 979,055 |  |  | $ | 850,991 |  |  | $ | 219,308 |  |  | $ | 180,111 |
Change in plan assets: |  |  |  |  |  |  |
Fair value of assets at prior year measurement date | $ | 578,783 |  |  | $ | 585,677 |  |  | $ | 117,693 |  |  | $ | 120,754 |
Actual return on plan assets | 57,646 |  |  | (28,435 | ) |  | 19,926 |  |  | 4,437 |
Employer contributions | 67,928 |  |  | 47,666 |  |  | 6,155 |  |  | 8,208 |
Contributions by plan participants | — |  |  | — |  |  | 863 |  |  | 774 |
Benefits paid | (27,464 | ) |  | (25,120 | ) |  | (4,061 | ) |  | (4,498 | )
Foreign currency exchange impact | — |  |  | — |  |  | (3,801 | ) |  | (10,983 | )
Other | (1,875 | ) |  | (1,005 | ) |  | (1,336 | ) |  | (999 | )
Fair value of assets at measurement date | $ | 675,018 |  |  | $ | 578,783 |  |  | $ | 135,439 |  |  | $ | 117,693 |
Funded status and amount recognized in assets and liabilities | $ | (304,037 | ) |  | $ | (272,208 | ) |  | $ | (83,869 | ) |  | $ | (62,418 | )
Amount recognized in assets and liabilities: |  |  |  |  |  |  |
Other assets - non-current | $ | — |  |  | $ | — |  |  | $ | 108 |  |  | $ | 220 |
Accrued and long-term pension liabilities | (304,037 | ) |  | (272,208 | ) |  | (83,977 | ) |  | (62,638 | )
Amount recognized in assets and liabilities | $ | (304,037 | ) |  | $ | (272,208 | ) |  | $ | (83,869 | ) |  | $ | (62,418 | )
Amount recognized in AOCIL, before taxes: |  |  |  |  |  |  |
Prior service cost (credit) | $ | 694 |  |  | $ | 881 |  |  | $ | (1,269 | ) |  | $ | (737 | )
Actuarial losses | 449,377 |  |  | 386,759 |  |  | 57,926 |  |  | 38,869 |
Amount recognized in AOCIL, before taxes | $ | 450,071 |  |  | $ | 387,640 |  |  | $ | 56,657 |  |  | $ | 38,132 |
Schedule Of Projected Benefit Obligations Or Accumulated Benefit Obligations In Excess Of Plan Assets |
|  | October 1, 2016 |  | October 3, 2015
Projected benefit obligation |  | $ | 1,128,524 |  |  | $ | 968,848 |
Accumulated benefit obligation |  | 1,045,034 |  |  | 886,663 |
Fair value of plan assets |  | 744,751 |  |  | 634,406 |
Schedule Of Weighted-Average Assumptions Used To Determine Net Periodic Benefit Cost And Benefit Obligations |
| U.S. Plans |  | Non-U.S. Plans
| 2016 |  | 2015 |  | 2014 |  | 2016 |  | 2015 |  | 2014
Assumptions for net periodic benefit cost: |  |  |  |  |  |  |  |  |  |  |
Discount rate | 4.5 | % |  | 4.4 | % |  | 5.0 | % |  | 3.0 | % |  | 3.1 | % |  | 3.7 | %
Return on assets | 7.7 | % |  | 8.0 | % |  | 8.4 | % |  | 4.1 | % |  | 4.5 | % |  | 4.1 | %
Rate of compensation increase | 4.1 | % |  | 4.1 | % |  | 4.1 | % |  | 2.6 | % |  | 3.0 | % |  | 2.8 | %
Assumptions for benefit obligations: |  |  |  |  |  |  |  |  |  |  |
Discount rate | 3.8 | % |  | 4.5 | % |  | 4.4 | % |  | 1.9 | % |  | 3.0 | % |  | 3.1 | %
Rate of compensation increase | 3.5 | % |  | 4.1 | % |  | 4.1 | % |  | 2.3 | % |  | 3.0 | % |  | 2.7 | %
Schedule Of Weighted-Average Asset Allocations By Asset Category For The Pension Plans |
| U.S. Plans |  | Non-U.S. Plans
| Target |  | 2016 Actual |  | 2015 Actual |  | Target |  | 2016 Actual |  | 2015 Actual
Asset category: |  |  |  |  |  |  |  |  |  |  |
Equity | 20%-50% |  | 55% |  | 59% |  | 30%-50% |  | 32% |  | 30%
Debt | 35%-60% |  | 36% |  | 31% |  | 40%-60% |  | 36% |  | 42%
Real estate and other | 10%-20% |  | 9% |  | 10% |  | 10%-30% |  | 32% |  | 28%
U.S. Plans, October 1, 2016 | Level 1 |  | Level 2 |  | Level 3 |  | Total
Shares of registered investment companies: |  |  |  |  |  |  |
Non-investment grade | $ | — |  |  | $ | 45,709 |  |  | $ | — |  |  | $ | 45,709 |
Real assets | — |  |  | 37,337 |  |  | — |  |  | 37,337 |
Other | — |  |  | 177,037 |  |  | — |  |  | 177,037 |
Fixed income funds: |  |  |  |  |  |  |
U.S. Government obligations | — |  |  | 23,867 |  |  | — |  |  | 23,867 |
Corporate and other | — |  |  | 230 |  |  | — |  |  | 230 |
Employer securities | 68,574 |  |  | — |  |  | — |  |  | 68,574 |
Interest in common collective trusts | — |  |  | 237,032 |  |  | — |  |  | 237,032 |
Money market funds | — |  |  | 18,962 |  |  | — |  |  | 18,962 |
Limited partnerships | — |  |  | — |  |  | 44,003 |  |  | 44,003 |
Insurance contracts and other | — |  |  | — |  |  | 22,267 |  |  | 22,267 |
Fair value | $ | 68,574 |  |  | $ | 540,174 |  |  | $ | 66,270 |  |  | $ | 675,018 |
Non-U.S. Plans, October 1, 2016 | Level 1 |  | Level 2 |  | Level 3 |  | Total
Shares of registered investment companies | $ | — |  |  | $ | 6,523 |  |  | $ | — |  |  | $ | 6,523 |
Domestic equity | 7,616 |  |  | — |  |  | — |  |  | 7,616 |
International equity | 10,562 |  |  | — |  |  | — |  |  | 10,562 |
Fixed income funds | 6,246 |  |  | 23,574 |  |  | — |  |  | 29,820 |
Unit linked life insurance funds | — |  |  | 36,889 |  |  | — |  |  | 36,889 |
Cash and cash equivalents | 73 |  |  | 553 |  |  | — |  |  | 626 |
Insurance contracts and other | — |  |  | 789 |  |  | 42,614 |  |  | 43,403 |
Fair value | $ | 24,497 |  |  | $ | 68,328 |  |  | $ | 42,614 |  |  | $ | 135,439 |
U.S. Plans, October 3, 2015 | Level 1 |  | Level 2 |  | Level 3 |  | Total
Shares of registered investment companies: |  |  |  |  |  |  |
Non-investment grade | $ | — |  |  | $ | 38,517 |  |  | $ | — |  |  | $ | 38,517 |
Real assets | — |  |  | 35,647 |  |  | — |  |  | 35,647 |
Other | — |  |  | 78,102 |  |  | — |  |  | 78,102 |
Fixed income funds: |  |  |  |  |  |  |
U.S. Government obligations | — |  |  | 64,441 |  |  | — |  |  | 64,441 |
Corporate and other | — |  |  | 106,120 |  |  | — |  |  | 106,120 |
Employer securities | 62,214 |  |  | — |  |  | — |  |  | 62,214 |
Interest in common collective trusts | — |  |  | 88,870 |  |  | — |  |  | 88,870 |
Money market funds | — |  |  | 16,887 |  |  | — |  |  | 16,887 |
Limited partnerships | — |  |  | — |  |  | 64,760 |  |  | 64,760 |
Insurance contracts and other | — |  |  | — |  |  | 23,225 |  |  | 23,225 |
Fair value | $ | 62,214 |  |  | $ | 428,584 |  |  | $ | 87,985 |  |  | $ | 578,783 |
Non-U.S. Plans, October 3, 2015 | Level 1 |  | Level 2 |  | Level 3 |  | Total
Shares of registered investment companies | $ | — |  |  | $ | 3,683 |  |  | $ | — |  |  | $ | 3,683 |
Domestic equity | 6,142 |  |  | 209 |  |  | — |  |  | 6,351 |
International equity | 8,806 |  |  | — |  |  | — |  |  | 8,806 |
Fixed income funds | 5,615 |  |  | 24,131 |  |  | — |  |  | 29,746 |
Unit linked life insurance funds | — |  |  | 38,260 |  |  | — |  |  | 38,260 |
Cash and cash equivalents | 252 |  |  | 880 |  |  | — |  |  | 1,132 |
Insurance contracts and other | — |  |  | 779 |  |  | 28,936 |  |  | 29,715 |
Fair value | $ | 20,815 |  |  | $ | 67,942 |  |  | $ | 28,936 |  |  | $ | 117,693 |
Schedule Of Roll-Forward Of The Consolidated Plan Assets Classified As Level 3 Within The Fair Value Hierarchy |
|  | U.S. Plans |  | Non-U.S. Plans |  | Total
Balance at September 27, 2014 |  | $ | 103,717 |  |  | $ | 30,183 |  |  | $ | 133,900 |
Return on assets |  | 849 |  |  | 1,083 |  |  | 1,932 |
Purchases from contributions to Plans |  | 39,188 |  |  | 3,118 |  |  | 42,306 |
Proceeds from sales of investments |  | (54,479 | ) |  | — |  |  | (54,479 | )
Settlements paid in cash |  | (1,290 | ) |  | (1,985 | ) |  | (3,275 | )
Foreign currency translation |  | — |  |  | (3,463 | ) |  | (3,463 | )
Balance at October 3, 2015 |  | 87,985 |  |  | 28,936 |  |  | 116,921 |
Return on assets |  | (704 | ) |  | 11,723 |  |  | 11,019 |
Purchases from contributions to Plans |  | 12,366 |  |  | 3,472 |  |  | 15,838 |
Proceeds from sales of investments |  | (30,695 | ) |  | — |  |  | (30,695 | )
Settlements paid in cash |  | (2,682 | ) |  | (2,231 | ) |  | (4,913 | )
Foreign currency translation |  | — |  |  | 714 |  |  | 714 |
Balance at October 1, 2016 |  | $ | 66,270 |  |  | $ | 42,614 |  |  | $ | 108,884 |
Schedule Of Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table Text Block] |
|  | Unfunded Commitments |  | Redemption Frequency |  | Redemption Notice Period
Interest in common collective trusts (1) |  | $ | — |  |  | Daily, Weekly |  | 0-5 days
Insurance contracts and other (2) |  | — |  |  | Quarterly |  | 60-90 days
Limited partnerships (3) |  | 7,052 |  |  | Varies |  | 10-45 days
Total |  | $ | 7,052 |  |  |  |  |
Schedule Of Pension Expense |
| U.S. Plans |  | Non-U.S. Plans
| 2016 |  | 2015 |  | 2014 |  | 2016 |  | 2015 |  | 2014
Service cost | $ | 23,637 |  |  | $ | 23,635 |  |  | $ | 21,571 |  |  | $ | 5,204 |  |  | $ | 6,087 |  |  | $ | 5,533 |
Interest cost | 37,659 |  |  | 34,031 |  |  | 33,354 |  |  | 4,928 |  |  | 4,814 |  |  | 5,984 |
Expected return on plan assets | (50,383 | ) |  | (47,136 | ) |  | (43,374 | ) |  | (4,862 | ) |  | (5,166 | ) |  | (4,487 | )
Amortization of prior service cost (credit) | 187 |  |  | 149 |  |  | 149 |  |  | (103 | ) |  | (70 | ) |  | (57 | )
Amortization of actuarial loss | 26,168 |  |  | 22,355 |  |  | 16,346 |  |  | 2,600 |  |  | 2,289 |  |  | 1,398 |
Settlement loss | 59 |  |  | 54 |  |  | 37 |  |  | 131 |  |  | 77 |  |  | — |
Pension expense for defined benefit plans | $ | 37,327 |  |  | $ | 33,088 |  |  | $ | 28,083 |  |  | $ | 7,898 |  |  | $ | 8,031 |  |  | $ | 8,371 |
Schedule Of Benefits Expected To Be Paid To The Participants Of The Plans |
|  | U.S. Plans |  | Non-U.S. Plans
2017 |  | $ | 31,020 |  |  | $ | 5,305 |
2018 |  | 34,368 |  |  | 5,814 |
2019 |  | 37,030 |  |  | 6,229 |
2020 |  | 40,106 |  |  | 5,692 |
2021 |  | 43,557 |  |  | 6,476 |
Five years thereafter |  | 266,881 |  |  | 42,631 |
Schedule of Defined Contribution Plan Expense |
|  | 2016 |  | 2015 |  | 2014
U.S. defined contribution plans |  | $ | 14,128 |  |  | $ | 13,621 |  |  | $ | 13,196 |
Non-U.S. defined contribution plans |  | 6,029 |  |  | 6,570 |  |  | 6,458 |
Total pension expense for defined contribution plans |  | $ | 20,157 |  |  | $ | 20,191 |  |  | $ | 19,654 |
Schedule Of Changes In The Accumulated Benefit Obligation Of Unfunded Plan |
|  | October 1, 2016 |  | October 3, 2015
Change in Accumulated Postretirement Benefit Obligation (APBO): |  |  |  |
APBO at prior year measurement date |  | $ | 12,532 |  |  | $ | 15,331 |
Service cost |  | 161 |  |  | 226 |
Interest cost |  | 468 |  |  | 576 |
Contributions by plan participants |  | 1,944 |  |  | 2,228 |
Benefits paid |  | (3,043 | ) |  | (2,795 | )
Actuarial losses (gains) |  | 763 |  |  | (3,034 | )
APBO at measurement date |  | $ | 12,825 |  |  | $ | 12,532 |
Funded status |  | $ | (12,825 | ) |  | $ | (12,532 | )
Accrued postretirement benefit liability |  | $ | 12,825 |  |  | $ | 12,532 |
Amount recognized in AOCIL, before taxes: |  |  |  |
Actuarial gains |  | 3,896 |  |  | 5,232 |
Amount recognized in AOCIL, before taxes |  | $ | 3,896 |  |  | $ | 5,232 |
Schedule Of Cost Of The Postretirement Benefit Plan |
|  | 2016 |  | 2015 |  | 2014
Service cost |  | $ | 161 |  |  | $ | 226 |  |  | $ | 225 |
Interest cost |  | 468 |  |  | 576 |  |  | 624 |
Amortization of actuarial gain |  | (572 | ) |  | (106 | ) |  | (261 | )
Net periodic postretirement benefit cost |  | $ | 57 |  |  | $ | 696 |  |  | $ | 588 |

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- Definition Tabular disclosure of defined contribution pension plans or defined contribution other postretirement plans, separately for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258 + Details
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- Definition Tabular disclosure of accumulated benefit obligations and fair values of plan assets of pension plans and/or other employee benefit plans where the accumulated benefit obligation exceeds the fair value of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2417-114920 + Details
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- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the change in the accumulated postemployment benefit obligation from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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