Restructuring Restructuring (Narrative) (Details) - USD ($) $ in Thousands	9 Months Ended
Jun. 27, 2020	Sep. 28, 2019
Restructuring Cost and Reserve
Restructuring Completion Date	Jul. 03, 2021
Restructuring reserve	$ 6,288	$ 4,123
2020 Plan
Restructuring Cost and Reserve
Severance Costs	4,276
Restructuring reserve	3,635
2018 Plan
Restructuring Cost and Reserve
Restructuring reserve	$ 2,653

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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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.

+ References

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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