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Restructuring (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Sep. 28, 2019 | Sep. 29, 2018 | Sep. 30, 2017 | Oct. 01, 2016
Restructuring Cost and Reserve |  |  |  |
Non-cash inventory reserves | $ 0 | $ 12,198 | $ 0 |
Restructuring costs and asset impairment charges | 4,464 | 14,382 |  |
Restructuring Charges | 0 | 28,794 | 0 |
Restructuring reserve | $ 4,123 | 8,113 | $ 1,168 | $ 7,846
Restructuring and Related Activities, Completion Date | Jun. 27, 2020 |  |  |
2018 Plan |  |  |  |
Restructuring Cost and Reserve |  |  |  |
Restructuring reserve | $ 4,123 |  |  |
2018 Plan | Employee Severance |  |  |  |
Restructuring Cost and Reserve |  |  |  |
Restructuring Charges |  | 7,969 |  |
2018 Plan | Facility Closing |  |  |  |
Restructuring Cost and Reserve |  |  |  |
Restructuring Charges |  | 3,130 |  |
2018 Plan | Other Restructuring |  |  |  |
Restructuring Cost and Reserve |  |  |  |
Restructuring Charges |  | 3,217 |  |
2018 Plan | Other Restructuring | Inventories |  |  |  |
Restructuring Cost and Reserve |  |  |  |
Non-cash inventory reserves |  | 12,198 |  |
2018 Plan | Other Restructuring | Finite-Lived Intangible Assets |  |  |  |
Restructuring Cost and Reserve |  |  |  |
Restructuring costs and asset impairment charges |  | 12,316 |  |
2018 Plan | Other Restructuring | Property, Plant and Equipment |  |  |  |
Restructuring Cost and Reserve |  |  |  |
Restructuring costs and asset impairment charges |  | $ 2,162 |  |

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