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Pension and Other Postretirement Benefit Plans - Schedule of Pension Plans Recognized in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands | 12 Months Ended
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Oct. 02, 2020 | Sep. 27, 2019 | Sep. 28, 2018
Reclassification adjustments: |  |  |
Total | $ 61,977 | $ 139,218 | $ 34,129
U.S. Plans |  |  |
Arising during the period: |  |  |
Net actuarial (gain) loss | (900) | 36,108 | (7,514)
Prior service cost (benefit) | 1,589 | 0 | 0
Total | 689 | 36,108 | (7,514)
Reclassification adjustments: |  |  |
Net actuarial losses | (2,653) | (2,282) | (2,913)
Prior service cost | (244) | 0 | 0
Total | (2,897) | (2,282) | (2,913)
Total | (2,208) | 33,826 | (10,427)
Non-U.S. Plans |  |  |
Arising during the period: |  |  |
Net actuarial (gain) loss | 71,676 | 83,368 | 59,827
Net (gain) loss on Sale of ECR | 0 | (12,520) | 0
Prior service cost (benefit) | 0 | 29,829 | 215
Total | 71,676 | 100,677 | 60,042
Reclassification adjustments: |  |  |
Net actuarial losses | (6,322) | (6,546) | (5,507)
Prior service cost | (1,169) | (1,075) | 181
Total | (7,491) | (7,621) | (5,326)
Total | $ 64,185 | $ 93,056 | $ 54,716

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- Definition Pension plan amounts recognized in accumulated other comprehensive income loss arising during period. + References No definition available. + Details
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- Definition Amount, after tax, of cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580 + Details
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