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Employee Benefit Plans (Tables) | 12 Months Ended
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Sep. 29, 2012
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
| 2012 |  | 2011 |  | 2012 |  | 2011
Change in projected benefit obligation: |  |  |  |  |  |  |
Projected benefit obligation at prior year measurement date | $ | 635,798 |  |  | $ | 556,010 |  |  | $ | 131,914 |  |  | $ | 141,022 |
Service cost | 23,347 |  |  | 22,566 |  |  | 4,046 |  |  | 4,804 |
Interest cost | 29,786 |  |  | 28,683 |  |  | 5,864 |  |  | 6,260 |
Contributions by plan participants | — |  |  | — |  |  | 900 |  |  | 873 |
Actuarial losses (gains) | 108,095 |  |  | 45,358 |  |  | 16,557 |  |  | (14,825 | )
Foreign currency exchange impact | — |  |  | — |  |  | (1,995 | ) |  | (1,601 | )
Benefits paid from plan assets | (15,926 | ) |  | (15,777 | ) |  | (1,430 | ) |  | (2,020 | )
Benefits paid by Moog | (1,123 | ) |  | (905 | ) |  | (2,700 | ) |  | (2,530 | )
Other | — |  |  | (137 | ) |  | (67 | ) |  | (69 | )
Projected benefit obligation at measurement date | $ | 779,977 |  |  | $ | 635,798 |  |  | $ | 153,089 |  |  | $ | 131,914 |
Change in plan assets: |  |  |  |  |  |  |
Fair value of assets at prior year measurement date | $ | 389,286 |  |  | $ | 369,090 |  |  | $ | 68,991 |  |  | $ | 72,419 |
Actual return on plan assets | 68,074 |  |  | (23,987 | ) |  | 11,086 |  |  | (6,950 | )
Employer contributions | 1,115 |  |  | 61,004 |  |  | 6,842 |  |  | 7,356 |
Contributions by plan participants | — |  |  | — |  |  | 900 |  |  | 873 |
Benefits paid | (17,049 | ) |  | (16,682 | ) |  | (4,130 | ) |  | (4,550 | )
Foreign currency exchange impact | — |  |  | — |  |  | 422 |  |  | (88 | )
Other | — |  |  | (139 | ) |  | (67 | ) |  | (69 | )
Fair value of assets at measurement date | $ | 441,426 |  |  | $ | 389,286 |  |  | $ | 84,044 |  |  | $ | 68,991 |
Funded status and amount recognized in assets and liabilities | $ | (338,551 | ) |  | $ | (246,512 | ) |  | $ | (69,045 | ) |  | $ | (62,923 | )
Amount recognized in assets and liabilities: |  |  |  |  |  |  |
Other assets - non-current | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 372 |
Accrued and long-term pension liabilities | (338,551 | ) |  | (246,512 | ) |  | (69,045 | ) |  | (63,295 | )
Amount recognized in assets and liabilities | $ | (338,551 | ) |  | $ | (246,512 | ) |  | $ | (69,045 | ) |  | $ | (62,923 | )
Amount recognized in accumulated other comprehensive loss, before taxes: |  |  |  |  |  |  |
Prior service cost (credit) | $ | 42 |  |  | $ | 52 |  |  | $ | (305 | ) |  | $ | (380 | )
Actuarial losses | 415,524 |  |  | 350,556 |  |  | 29,775 |  |  | 21,547 |
Amount recognized in accumulated other comprehensive loss, before taxes | $ | 415,566 |  |  | $ | 350,608 |  |  | $ | 29,470 |  |  | $ | 21,167 |
Schedule Of Projected Benefit Obligations Or Accumulated Benefit Obligations In Excess Of Plan Assets |
|  | September 29, 2012 |  | October 1, 2011
Projected benefit obligation |  | $ | 892,005 |  |  | $ | 748,495 |
Accumulated benefit obligation |  | 798,865 |  |  | 678,855 |
Fair value of plan assets |  | 487,673 |  |  | 440,422 |
Schedule Of Weighted-Average Assumptions Used To Determine Net Periodic Benefit Cost And Benefit Obligations |
| U.S. Plans |  | Non-U.S. Plans
| 2012 |  |  | 2011 |  |  | 2010 |  |  | 2012 |  |  | 2011 |  |  | 2010 |
Assumptions for net periodic benefit cost: |  |  |  |  |  |  |  |  |  |  |
Discount rate | 4.7 | % |  | 5.2 | % |  | 6.0 | % |  | 4.7 | % |  | 4.6 | % |  | 5.8 | %
Return on assets | 8.9 | % |  | 8.9 | % |  | 8.9 | % |  | 5.5 | % |  | 5.1 | % |  | 6.0 | %
Rate of compensation increase | 3.8 | % |  | 3.8 | % |  | 4.1 | % |  | 3.0 | % |  | 3.1 | % |  | 3.3 | %
Assumptions for benefit obligations: |  |  |  |  |  |  |  |  |  |  |
Discount rate | 3.7 | % |  | 4.7 | % |  | 5.2 | % |  | 3.9 | % |  | 4.7 | % |  | 4.6 | %
Rate of compensation increase | 4.1 | % |  | 3.8 | % |  | 3.8 | % |  | 2.9 | % |  | 3.0 | % |  | 2.6 | %
Schedule Of Weighted-Average Asset Allocations By Asset Category For The Pension Plans |
Non-U.S. Plans, September 29, 2012 | Level 1 |  | Level 2 |  | Level 3 |  | Total
Shares of registered investment companies | $ | — |  |  | $ | 30,700 |  |  | $ | — |  |  | $ | 30,700 |
Domestic equity | 3,161 |  |  | 142 |  |  | — |  |  | 3,303 |
International equity | 9,866 |  |  | — |  |  | — |  |  | 9,866 |
Fixed income funds | 2,157 |  |  | 16,765 |  |  | — |  |  | 18,922 |
Cash and cash equivalents | 748 |  |  | — |  |  | — |  |  | 748 |
Insurance contracts and other | — |  |  | 653 |  |  | 19,852 |  |  | 20,505 |
Fair value | $ | 15,932 |  |  | $ | 48,260 |  |  | $ | 19,852 |  |  | $ | 84,044 |
U.S. Plans, October 1, 2011 | Level 1 |  | Level 2 |  | Level 3 |  | Total
Shares of registered investment companies: |  |  |  |  |  |  |
Large growth stocks | $ | 60,550 |  |  | $ | — |  |  | $ | — |  |  | $ | 60,550 |
International equity | 44,827 |  |  | — |  |  | — |  |  | 44,827 |
Emerging markets | 16,195 |  |  | — |  |  | — |  |  | 16,195 |
Common stock: |  |  |  |  |  |  |
International equity | 29,886 |  |  | — |  |  | — |  |  | 29,886 |
Large value stocks | 18,202 |  |  | — |  |  | — |  |  | 18,202 |
Large core stocks | 15,897 |  |  | — |  |  | — |  |  | 15,897 |
Large growth stocks | 15,835 |  |  | — |  |  | — |  |  | 15,835 |
Other | 9,947 |  |  | — |  |  | — |  |  | 9,947 |
Fixed income funds: |  |  |  |  |  |  |
Intermediate-term core fixed income | 56,345 |  |  | — |  |  | — |  |  | 56,345 |
Employer securities | 37,995 |  |  | — |  |  | — |  |  | 37,995 |
Interest in common collective trust | — |  |  | 27,446 |  |  | — |  |  | 27,446 |
Money market funds | — |  |  | 45,971 |  |  | — |  |  | 45,971 |
Cash and cash equivalents | 1,557 |  |  | — |  |  | — |  |  | 1,557 |
Limited partnerships | — |  |  | — |  |  | 8,633 |  |  | 8,633 |
Fair value | $ | 307,236 |  |  | $ | 73,417 |  |  | $ | 8,633 |  |  | $ | 389,286 |
Non-U.S. Plans, October 1, 2011 | Level 1 |  | Level 2 |  | Level 3 |  | Total
Shares of registered investment companies | $ | — |  |  | $ | 27,929 |  |  | $ | — |  |  | $ | 27,929 |
Domestic equity | 2,728 |  |  | 222 |  |  | — |  |  | 2,950 |
International equity | 7,705 |  |  | — |  |  | — |  |  | 7,705 |
Fixed income funds | 1,567 |  |  | 12,210 |  |  | — |  |  | 13,777 |
Cash and cash equivalents | 4,762 |  |  | — |  |  | — |  |  | 4,762 |
Insurance contracts and other | — |  |  | 490 |  |  | 11,378 |  |  | 11,868 |
Fair value | $ | 16,762 |  |  | $ | 40,851 |  |  | $ | 11,378 |  |  | $ | 68,991 |
| U.S. Plans |  | Non-U.S. Plans
| Target |  | 2012 Actual |  | 2011 Actual |  | Target |  | 2012 Actual |  | 2011 Actual
Asset category: |  |  |  |  |  |  |  |  |  |  |
Equity | 50%-85% |  | 82 | % |  | 74 | % |  | 40%-60% |  | 39 | % |  | 43 | %
Debt | 15%-30% |  | 15 | % |  | 14 | % |  | 40%-60% |  | 60 | % |  | 55 | %
Real estate and other | 0%-20% |  | 3 | % |  | 12 | % |  | 0%-10% |  | 1 | % |  | 2 | %
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 October 2, 2010 |  | $ | 5,900 |  |  | $ | 16,210 |  |  | $ | 22,110 |
Return on assets |  | (507 | ) |  | (6,197 | ) |  | (6,704 | )
Purchases from contributions to Plans |  | 6,054 |  |  | 1,873 |  |  | 7,927 |
Proceeds from sales of investments |  | (2,814 | ) |  | — |  |  | (2,814 | )
Settlements paid in cash |  | — |  |  | (79 | ) |  | (79 | )
Foreign currency translation |  | — |  |  | (429 | ) |  | (429 | )
Balance at October 1, 2011 |  | 8,633 |  |  | 11,378 |  |  | 20,011 |
Return on assets |  | 3,026 |  |  | 3,769 |  |  | 6,795 |
Purchases from contributions to Plans |  | 5,344 |  |  | 5,420 |  |  | 10,764 |
Proceeds from sales of investments |  | (3,399 | ) |  | — |  |  | (3,399 | )
Settlements paid in cash |  | — |  |  | (160 | ) |  | (160 | )
Foreign currency translation |  | — |  |  | (555 | ) |  | (555 | )
Balance at September 29, 2012 |  | $ | 13,604 |  |  | $ | 19,852 |  |  | $ | 33,456 |
Schedule Of Pension Expense |
| U.S. Plans |  | Non-U.S. Plans
| 2012 |  | 2011 |  | 2010 |  | 2012 |  | 2011 |  | 2010
Service cost | $ | 23,347 |  |  | $ | 22,566 |  |  | $ | 18,718 |  |  | $ | 4,046 |  |  | $ | 4,804 |  |  | $ | 3,139 |
Interest cost | 29,786 |  |  | 28,683 |  |  | 27,067 |  |  | 5,864 |  |  | 6,260 |  |  | 5,868 |
Expected return on plan assets | (41,970 | ) |  | (39,089 | ) |  | (35,344 | ) |  | (3,832 | ) |  | (3,900 | ) |  | (3,605 | )
Amortization of prior service cost (credit) | 9 |  |  | 9 |  |  | 203 |  |  | (62 | ) |  | (60 | ) |  | (54 | )
Amortization of actuarial loss | 17,024 |  |  | 11,292 |  |  | 4,949 |  |  | 875 |  |  | 1,546 |  |  | 521 |
Settlement loss | — |  |  | 16 |  |  | — |  |  | — |  |  | 275 |  |  | 91 |
Pension expense for defined benefit plans | 28,196 |  |  | 23,477 |  |  | 15,593 |  |  | 6,891 |  |  | 8,925 |  |  | 5,960 |
Pension expense for defined contribution plans | 9,114 |  |  | 7,674 |  |  | 6,571 |  |  | 5,105 |  |  | 4,765 |  |  | 6,053 |
Total pension expense | $ | 37,310 |  |  | $ | 31,151 |  |  | $ | 22,164 |  |  | $ | 11,996 |  |  | $ | 13,690 |  |  | $ | 12,013 |
Schedule Of Benefits Expected To Be Paid To The Participants Of The Plans |
|  | U.S. Plans |  | Non-U.S. Plans
2013 |  | $ | 20,200 |  |  | $ | 4,198 |
2014 |  | 23,170 |  |  | 4,503 |
2015 |  | 24,846 |  |  | 5,818 |
2016 |  | 26,856 |  |  | 5,942 |
2017 |  | 29,585 |  |  | 6,321 |
Five years thereafter |  | 191,882 |  |  | 37,194 |
Schedule Of Changes In The Accumulated Benefit Obligation Of Unfunded Plan |
|  | September 29, 2012 |  | October 1, 2011
Change in Accumulated Postretirement Benefit Obligation (APBO): |  |  |  |
APBO at prior year measurement date |  | $ | 18,025 |  |  | $ | 23,860 |
Service cost |  | 330 |  |  | 491 |
Interest cost |  | 785 |  |  | 1,103 |
Contributions by plan participants |  | 1,510 |  |  | 1,453 |
Benefits paid |  | (2,634 | ) |  | (2,460 | )
Actuarial gains |  | (656 | ) |  | (6,521 | )
Retiree drug subsidy receipts |  | 96 |  |  | 99 |
APBO at measurement date |  | $ | 17,456 |  |  | $ | 18,025 |
Funded status |  | $ | (17,456 | ) |  | $ | (18,025 | )
Accrued postretirement benefit liability |  | $ | 17,456 |  |  | $ | 18,025 |
Amount recognized in accumulated other comprehensive loss, before taxes: |  |  |  |
Transition obligation |  | $ | 361 |  |  | $ | 756 |
Actuarial (gains) losses |  | (604 | ) |  | 52 |
Amount recognized in accumulated other comprehensive loss, before taxes |  | $ | (243 | ) |  | $ | 808 |
Schedule Of Cost Of The Postretirement Benefit Plan |
|  | 2012 |  | 2011 |  | 2010
Service cost |  | $ | 330 |  |  | $ | 491 |  |  | $ | 571 |
Interest cost |  | 785 |  |  | 1,103 |  |  | 1,345 |
Amortization of transition obligation |  | 394 |  |  | 394 |  |  | 394 |
Amortization of prior service cost |  | — |  |  | — |  |  | 215 |
Amortization of actuarial loss |  | — |  |  | 579 |  |  | 842 |
Net periodic postretirement benefit cost |  | $ | 1,509 |  |  | $ | 2,567 |  |  | $ | 3,367 |

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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=21915506&loc=d3e1928-114920 + Details
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