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Acquisitions, Discontinued Operations, and the Asbestos Portfolio Sale - Results of Operations (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2022
Oct. 01, 2022
Jul. 02, 2022
Apr. 02, 2022
Dec. 31, 2021
Oct. 02, 2021
Jul. 03, 2021
Apr. 03, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                      
Gain (loss) from discontinued operations, net of tax $ (2.5) $ (9.4) $ (6.1) $ (1.6) $ 2.0 $ 316.4 $ 44.2 $ 3.8 $ (19.6) $ 366.4 $ 25.2
Gain (loss) on disposition of discontinued operations, net of tax                 (19.6) 360.7 (3.7)
Income tax provision                 (7.3) (10.9) (4.8)
Contribution to divest asbestos-related assets and liabilities                 138.8 0.0 0.0
Transformer Solutions                      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                      
Income tax provision         (16.5)            
Transformer Solutions | Discontinued operations                      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                      
Income tax provision         27.4            
Transformer Solutions | Continuing operations                      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                      
Income tax provision         $ (10.9)            
Discontinued operations                      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                      
Income (loss) from discontinued operations                 (24.3) 409.2 35.8
Income tax (provision) benefit             $ (33.0)   4.7 (42.8) (10.6)
Gain (loss) from discontinued operations, net of tax                 (19.6) 366.4 25.2
Discontinued operations | Transformer Solutions                      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                      
Income (loss) from discontinued operations                 (0.6) 454.9 56.9
Income tax (provision) benefit                 0.9 (51.8) (14.0)
Gain (loss) from discontinued operations, net of tax                 0.3 403.1 42.9
Discontinued operations | DBT                      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                      
Income (loss) from discontinued operations                 (17.3) (37.8) (16.6)
Income tax (provision) benefit                 2.1 2.7 2.4
Gain (loss) from discontinued operations, net of tax                 (15.2) (35.1) (14.2)
Discontinued operations | Heat Transfer                      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                      
Income (loss) from discontinued operations                 (0.4) (0.3) 0.3
Income tax (provision) benefit                 0.1 0.0 (0.1)
Gain (loss) from discontinued operations, net of tax                 (0.3) (0.3) 0.2
Discontinued operations | All other                      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                      
Income (loss) from discontinued operations                 (6.0) (7.6) (4.8)
Income tax (provision) benefit                 1.6 6.3 1.1
Gain (loss) from discontinued operations, net of tax                 $ (4.4) $ (1.3) $ (3.7)