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Segments - Schedule of Reconciliation of the Company's Segment Operating Income (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Total operating income (loss) | $ 7.3 | $ 11.7 | $ 44.7 | $ 15.8
Restructuring |  |  |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Total operating income (loss) |  | (3.7) |  | (3.7)
Operating income (loss) |  |  |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Total operating income (loss) | 16.4 | 22.6 | 73.9 | 44.6
Corporate |  |  |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Total operating income (loss) | $ (9.1) | $ (7.2) | $ (29.2) | $ (25.1)

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