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Restructuring Restructuring (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Mar. 30, 2019	Mar. 31, 2018	Sep. 29, 2018
Restructuring Cost and Reserve
Non-cash inventory reserves	$ 0	$ 7,329	$ 0	$ 7,329
Restructuring	0	$ 24,058	0	$ 24,058
Restructuring reserve	4,774		4,774		$ 8,113
2018 Plan
Restructuring Cost and Reserve
Restructuring reserve	4,642		4,642
2018 Plan | Employee Severance
Restructuring Cost and Reserve
Restructuring					7,969
2018 Plan | Facility Closing
Restructuring Cost and Reserve
Restructuring					3,130
2018 Plan | Other Restructuring
Restructuring Cost and Reserve
Restructuring					3,217
2018 Plan | Other Restructuring | Inventory
Restructuring Cost and Reserve
Non-cash inventory reserves					12,198
2018 Plan | Other Restructuring | Intangible assets
Restructuring Cost and Reserve
Restructuring costs and asset impairment Charges					12,316
2018 Plan | Other Restructuring | Long-lived assets
Restructuring Cost and Reserve
Restructuring costs and asset impairment Charges					$ 2,162
2016 Plan
Restructuring Cost and Reserve
Restructuring reserve	$ 132		$ 132

X

- Definition

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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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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