Restructuring and Other Charges (Schedule of Restructuring Reserve) (Details) - USD ($) $ in Thousands	3 Months Ended
Dec. 28, 2019	Dec. 29, 2018
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 31,086	$ 2,415
Charges to operations, net	13,758	16,586
Cash disbursements	(931)	(8,283)
Foreign exchange impact	155	27
Restructuring reserve, ending balance	27,606	10,691
Employee severance and related benefits
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	298	0
Charges to operations, net	13,631	16,343
Cash disbursements	(58)	(8,019)
Foreign exchange impact	156	(32)
Restructuring reserve, ending balance	14,027	8,356
Facility closures and related costs
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	30,788	2,415
Charges to operations, net	127	243
Cash disbursements	(873)	(264)
Foreign exchange impact	(1)	59
Restructuring reserve, ending balance	13,579	2,335
Restructuring Plan 2019 [Member]
Restructuring Reserve [Roll Forward]
Charges to operations, net		$ 16,600
Restructuring Plan 2019 [Member] \| Employee severance and related benefits
Restructuring Reserve [Roll Forward]
Charges to operations, net	16,300
Accounting Standards Update 2016-02 \| Employee severance and related benefits
Restructuring Reserve [Roll Forward]
ASC 842 adoption	0
Accounting Standards Update 2016-02 \| Facility closures and related costs
Restructuring Reserve [Roll Forward]
ASC 842 adoption	$ (16,462)

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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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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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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Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve.

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