Discontinued Operations - Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents	$ 0.0	$ 58.7	$ 5.5	$ 7.5
Current assets held for sale	0.0	300.8
Non-current assets held for sale	0.0	975.3
Current liabilities held for sale	0.0	122.5
Non-current liabilities held for sale	$ 0.0	45.9
Discontinued Operations, Held-for-Sale | Thermal Management
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents		58.7
Accounts receivable, net of allowances		115.0
Other current assets		80.8
Other current assets		46.3
Current assets held for sale		300.8
Property, plant and equipment, net		71.4
Goodwill		709.1
Intangibles, net		153.4
Other non-current assets		41.4
Non-current assets held for sale		975.3
Total assets held for sale		1,276.1
Accounts payable		40.9
Employee compensation and benefits		20.6
Other current liabilities		61.0
Current liabilities held for sale		122.5
Pension and other post-retirement compensation and benefits		12.1
Deferred tax liabilities		12.0
Other non-current liabilities		21.8
Non-current liabilities held for sale		45.9
Total liabilities held for sale		$ 168.4