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Pension and Other Postretirement Pension Plans (Schedule of Fair Value of Pension Plan Assets) (Details) - USD ($) $ in Thousands | Sep. 29, 2017 | Oct. 02, 2016 | Sep. 30, 2016 | Oct. 02, 2015
--- | --- | --- | --- | ---
U.S. Pension Plans |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | $ 147,788 |  | $ 142,464 | $ 379,907
U.S. Pension Plans | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 141,612 |  | 133,272 |
U.S. Pension Plans | Level 3 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 6,176 |  | 9,192 |
U.S. Pension Plans | Domestic equities |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 103,760 |  | 85,494 |
U.S. Pension Plans | Domestic equities | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 103,760 |  | 85,494 |
U.S. Pension Plans | Overseas equities |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets |  |  | 15,169 |
U.S. Pension Plans | Overseas equities | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets |  |  | 15,169 |
U.S. Pension Plans | Domestic bonds |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 33,404 |  | 28,886 |
U.S. Pension Plans | Domestic bonds | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 33,404 |  | 28,886 |
U.S. Pension Plans | Cash and equivalents |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 4,448 |  | 3,723 |
U.S. Pension Plans | Cash and equivalents | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 4,448 |  | 3,723 |
U.S. Pension Plans | Real estate |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets |  |  | 3,477 |
U.S. Pension Plans | Real estate | Level 3 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets |  |  | 3,477 | 9,914
U.S. Pension Plans | Hedge funds |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 6,176 |  | 5,715 |
U.S. Pension Plans | Hedge funds | Level 3 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 6,176 |  | 5,715 | 16,372
Non-U.S. Pension Plans |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 1,076,928 | $ 1,003,911 | 1,003,911 | 896,298
Non-U.S. Pension Plans | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 639,872 |  | 636,256 |
Non-U.S. Pension Plans | Level 3 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 437,056 |  | 367,655 |
Non-U.S. Pension Plans | Domestic equities |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 30,916 |  | 31,972 |
Non-U.S. Pension Plans | Domestic equities | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 30,916 |  | 31,972 |
Non-U.S. Pension Plans | Overseas equities |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 229,205 |  | 220,179 |
Non-U.S. Pension Plans | Overseas equities | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 229,205 |  | 220,179 |
Non-U.S. Pension Plans | Domestic bonds |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 263,145 |  | 258,949 |
Non-U.S. Pension Plans | Domestic bonds | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 263,145 |  | 258,949 |
Non-U.S. Pension Plans | Overseas bonds |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 77,682 |  | 61,974 |
Non-U.S. Pension Plans | Overseas bonds | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 77,682 |  | 61,974 |
Non-U.S. Pension Plans | Cash and equivalents |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 38,924 |  | 63,182 |
Non-U.S. Pension Plans | Cash and equivalents | Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 38,924 |  | 63,182 |
Non-U.S. Pension Plans | Real estate |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 58,974 |  | 55,665 |
Non-U.S. Pension Plans | Real estate | Level 3 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 58,974 |  | 55,665 | 61,996
Non-U.S. Pension Plans | Insurance contracts |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 74,353 |  | 39,473 |
Non-U.S. Pension Plans | Insurance contracts | Level 3 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 74,353 |  | 39,473 | 32,522
Non-U.S. Pension Plans | Hedge funds |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets |  |  | 272,517 |
Non-U.S. Pension Plans | Hedge funds | Level 3 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 303,729 |  | $ 272,517 | $ 260,720
Non-U.S. Pension Plans | Other |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | 303,729 |  |  |
Non-U.S. Pension Plans | Other | Level 3 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Fair value of plan assets | $ 303,729 |  |  |

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