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Discontinued Operations - Schedule of Financial Results from Discontinued Operations (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Income from discontinued operations, net of tax | $ 27.6 | $ 1.4 | $ 32.6 | $ 6.5
Engineered Materials | Discontinued Operations, Held-for-sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Net sales | 59.1 | 33.6 | 113.0 | 84.6
Cost of sales | 46.7 | 26.9 | 89.7 | 65.9
Selling, general and administrative | 4.7 | 4.2 | 9.2 | 9.4
Restructuring charges | 0.0 | 0.6 | 0.0 | 0.6
Income from discontinued operations | 7.7 | 1.9 | 14.1 | 8.7
Income tax (benefit) provision | (19.9) | 0.5 | (18.5) | 2.2
Income from discontinued operations, net of tax | 27.6 | $ 1.4 | 32.6 | $ 6.5
Deferred tax benefit | $ 21.5 |  | $ 21.5 |

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