Nonrecurring impairment charges related to the write-off of production-related equipment and inventory. This tag is used when an Entity charges this cost to cost of goods sold.

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Date the exit and disposal activities were completed or are expected to be completed, in CCYY-MM-DD format.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Restructuring (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Restructuring Cost and Reserve
Restructuring Charges	$ 10,700	$ 0	$ 28,794
Restructuring reserve	$ 10,342	4,123	8,113	$ 1,168
Restructuring and Related Activities, Completion Date	Sep. 30, 2021
2020 Plan
Restructuring Cost and Reserve
Restructuring Charges	$ 10,700
Restructuring reserve	7,608
2020 Plan \| Employee Severance
Restructuring Cost and Reserve
Restructuring Charges	10,466
2018 Plan
Restructuring Cost and Reserve
Restructuring Charges			$ 40,992
Restructuring reserve	$ 2,734
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