Restructuring Activities (Schedule Of Restructuring Reserve By Type Of Cost) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jul. 03, 2020	Jun. 28, 2019	Jul. 03, 2020	Jun. 28, 2019
Restructuring Cost and Reserve [Line Items]
Costs incurred	$ 59.9	$ 4.8	$ 72.2	$ 6.8
Cost of sales
Restructuring Cost and Reserve [Line Items]
Costs incurred	23.9	0.9	26.7	1.8
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Costs incurred	$ 36.0	$ 3.9	$ 45.5	$ 5.0

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

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