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Pension and Other Postretirement Pension Plans (Schedule of Change in Plans' Combined Net Benefit Obligation) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 29, 2017 | Sep. 30, 2016 | Oct. 02, 2015
U.S. Pension Plans |  |  |
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] |  |  |
Net benefit obligation at the beginning of the year | $ 185,664 | $ 533,665 |
Service cost | 1,000 | 9,875 | $ 12,045
Interest cost | 5,757 | 16,746 | 20,629
Participants’ contributions |  | 1,847 |
Actuarial (gains)/losses | (9,922) | 29,129 |
Benefits paid | (14,338) | (14,143) |
Curtailments/settlements |  | (35,224) |
Transfers |  | (356,231) |
Effect of exchange rate changes and other, net | 1,781 |  |
Net benefit obligation at the end of the year | 169,942 | 185,664 | 533,665
Non-U.S. Pension Plans |  |  |
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] |  |  |
Net benefit obligation at the beginning of the year | 1,363,782 | 1,155,592 |
Service cost | 7,509 | 14,378 | 21,374
Interest cost | 31,205 | 38,892 | 44,659
Participants’ contributions | 250 | 2,255 |
Actuarial (gains)/losses | (142,273) | 382,691 |
Benefits paid | (40,208) | (32,277) |
Curtailments/settlements | (1,375) | (35,375) |
Effect of exchange rate changes and other, net | 87,917 | (162,374) |
Net benefit obligation at the end of the year | $ 1,306,807 | $ 1,363,782 | $ 1,155,592

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- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. + 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=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(6) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of contributions received by defined benefit plan from participant which increase benefit obligation. + 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)(3) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of foreign currency translation gain (loss) which (increases) decreases benefit obligation of defined benefit plan. + 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)(5) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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