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Acquisitions, Discontinued Operations, and the Asbestos Portfolio Sale - Sale of Transformers Solutions Business - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2021	Oct. 02, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Oct. 01, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on disposition of discontinued operations, net of tax			$ (19.6)	$ 360.7	$ (3.7)
Discontinued operations, disposed of by sale | Transformer solutions
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accrued liabilities						$ 620.6
Gain on disposition of discontinued operations, net of tax	$ 24.5	$ 357.7		$ 382.2

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Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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