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Segments - Schedule of Reconciliation of the Company's Segment Operating Income (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |
Total operating income | $ 5.7 | $ 16.2
Restructuring expense | 1.5 | 4.5
Segment Operating Income |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |
Total operating income | 15.0 | 25.9
Corporate |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |
Total operating income | (9.3) | (9.3)
Reconciliation of Company's Segment Operating Income |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |
Total operating income | $ 5.7 | 16.2
Restructuring expense |  | (0.1)
Unallocated other operating income (expense) - net |  | $ (0.3)

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