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Legal Matters and Contingencies (Details) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2021 USD ($) claim	Jun. 30, 2020 USD ($) claim	Jun. 30, 2021 USD ($) claim	Jun. 30, 2020 USD ($) claim	Dec. 31, 2020 claim
Liability for Asbestos and Environmental Claims, Net [Roll Forward]
Beginning claims	8,445	8,282	8,366	8,345	8,345
Beginning claims			8,366	8,345	8,345
New claims	603	456	1,232	1,037	2,140
Resolved claims	(479)	(667)	(1,023)	(1,308)	(2,203)
Other	(10)	29	(16)	26	84
Ending claims	8,559	8,100	8,559	8,100	8,366
Ending claims	8,559	8,100	8,559	8,100	8,366
Loss contingency expense | $	$ 1.8	$ 5.9	$ 4.5	$ 10.2
Payments For (Proceeds From) Insurance Settlements | $			$ (3.3)	$ (6.7)

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Loss Contingency, Claims Other, number

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Loss Contingency, Pending Claims

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Payments For (Proceeds From) Insurance Settlements

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

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Number of claims settled.

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- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
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Number of pending claims pertaining to a loss contingency.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
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