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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, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Total operating income | $ 7.5 | $ 18.0 | $ 35.6 | $ 82.6
Unallocated restructuring expense | 0.5 | 0.7 | 3.4 | 1.0
Operating Segments |  |  |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Total operating income | 18.2 | 28.5 | 70.5 | 124.2
Corporate |  |  |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Total operating income | (10.7) | (10.5) | (34.9) | (41.5)
Material Reconciling Items |  |  |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Unallocated restructuring expense | $ 0.0 | $ 0.0 | $ 0.0 | $ (0.1)

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