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Discontinued Operations - Summary of Results from Discontinued Operations (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Income (loss) from discontinued operations | $ 0.3 | $ 427.2 | $ 3.5 | $ 448.6
Discontinued Operations, Disposed of by Sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Revenues |  | 115.2 |  | 328.6
Cost of goods sold |  | 83.7 |  | 237.5
Other operating expense (income), net |  | 11.9 |  | 34.4
Operating income |  | 19.6 |  | 56.7
Other non-operating expense (income), net |  | 1.6 |  | 9.0
Income (loss) from discontinued operations before income taxes and gain on sale |  | 18.0 |  | 47.7
(Gain) loss on sale of discontinued operations |  | (462.2) |  | (454.4)
Income (loss) from discontinued operations before income taxes | (0.1) | 480.2 | 2.2 | 502.1
Provision for (benefit from) income taxes | (0.4) | 53.0 | (1.3) | 53.5
Income (loss) from discontinued operations | 0.3 | 427.2 | 3.5 | 448.6
CIT | Discontinued Operations, Disposed of by Sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Revenues |  | 115.2 |  | 328.6
Cost of goods sold |  | 83.7 |  | 237.5
Other operating expense (income), net |  | 11.9 |  | 34.4
Operating income |  | 19.6 |  | 56.7
Other non-operating expense (income), net |  | 0.1 |  | (0.1)
Income (loss) from discontinued operations before income taxes and gain on sale |  | 19.5 |  | 56.8
(Gain) loss on sale of discontinued operations |  | (462.3) |  | (454.7)
Income (loss) from discontinued operations before income taxes | (0.2) | 481.8 | (0.5) | 511.5
Provision for (benefit from) income taxes | (0.2) | 53.6 | (1.3) | 57.0
Income (loss) from discontinued operations | 0.0 | 428.2 | 0.8 | 454.5
Other | Discontinued Operations, Disposed of by Sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Revenues |  | 0.0 |  | 0.0
Cost of goods sold |  | 0.0 |  | 0.0
Other operating expense (income), net |  | 0.0 |  | 0.0
Operating income |  | 0.0 |  | 0.0
Other non-operating expense (income), net |  | 1.5 |  | 9.1
Income (loss) from discontinued operations before income taxes and gain on sale |  | (1.5) |  | (9.1)
(Gain) loss on sale of discontinued operations |  | 0.1 |  | 0.3
Income (loss) from discontinued operations before income taxes | 0.1 | (1.6) | 2.7 | (9.4)
Provision for (benefit from) income taxes | (0.2) | (0.6) | 0.0 | (3.5)
Income (loss) from discontinued operations | $ 0.3 | $ (1.0) | $ 2.7 | $ (5.9)

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