Restructuring Activities and Related Impairments (Schedule Of Restructuring And Other Related Charges By Segment) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Oct. 02, 2020	Sep. 27, 2019	Oct. 02, 2020	Sep. 27, 2019
Restructuring Cost and Reserve [Line Items]
Costs incurred	$ 27.7	$ 1.9	$ 99.9	$ 8.7
Specialty Products & Technologies
Restructuring Cost and Reserve [Line Items]
Costs incurred	11.5	1.0	28.0	4.2
Equipment & Consumables
Restructuring Cost and Reserve [Line Items]
Costs incurred	14.3	0.9	66.3	4.5
Other
Restructuring Cost and Reserve [Line Items]
Costs incurred	$ 1.9	$ 0.0	$ 5.6	$ 0.0

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