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Restructuring and Other Charges - Schedule of Restructuring and Other Activities (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Oct. 02, 2020 | Sep. 28, 2019
Restructuring Reserve [Roll Forward] |  |
Balance at September 28, 2018 | $ 162,702 |
Transfer to lease right-of-use asset as a result of adoption of ASC 842 (1) | (116,797) |
Restructuring charges | 324,183 |
Payments & Usage | (317,234) |
Balance at September 27, 2019 | 52,854 |
Restructuring Cost and Reserve [Line Items] |  |
Restructured lease cease-use liabilities |  | $ 141,400
2015 Restructuring Plan |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructured lease cease-use liabilities | $ 24,600 |

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