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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
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-URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

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

Restructuring (Textuals) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		36 Months Ended
Restructuring (Textuals) (Details) - USD ($) $ in Millions	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2021
Unusual or Infrequent Item [Line Items]
Restructuring Charges	$ 13.8	$ 8.6	$ 35.3	$ 19.8
DN Now Plan [Member] \| Minimum [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Expected Cost	20.0		20.0
DN Now Plan [Member] \| Maximum [Member]
Unusual or Infrequent Item [Line Items]
Restructuring and Related Cost, Expected Cost	$ 40.0		$ 40.0
Subsequent Event [Member] \| DN Now Plan [Member]
Unusual or Infrequent Item [Line Items]
Anticipated Annual Synergies					$ 500.0