Restructuring Activities And Related Impairments - Schedule Of Restructuring Reserve By Type Of Cost (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]
Costs incurred	$ 135.4	$ 13.0	$ 23.7
Cost of sales
Restructuring Cost and Reserve [Line Items]
Costs incurred	44.9	3.0	7.8
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Costs incurred	$ 90.5	$ 10.0	$ 15.9

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=121586364&loc=d3e3602-108585

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