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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Name:	us-gaap_RestructuringCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Restructuring and Related Charges (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 25, 2021	Jun. 26, 2020	Jun. 25, 2021	Jun. 26, 2020	Feb. 01, 2018
Restructuring Cost and Reserve
Restructuring charges, net	$ 6.1	$ 14.4	$ 6.5	$ 12.6
Restructuring Fiscal 2018 Plan \| Minimum
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost					$ 100.0
Restructuring Fiscal 2018 Plan \| Maximum
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost					$ 125.0