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Segments - Schedule of Reconciliation of the Company's Segment Operating Income (Loss) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Total operating income (loss) | $ 41.9 | $ 24.1 | $ 58.1 | $ 25.8
Restructuring expense | 2.7 | 3.8 | 7.2 | 10.0
Segment Operating Income |  |  |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Total operating income (loss) | 42.5 | 33.5 | 68.4 | 47.5
Corporate |  |  |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Total operating income (loss) | (0.6) | (8.1) | (10.2) | (18.2)
Reconciliation of Company’s Segment Operating Income |  |  |  |
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items] |  |  |  |
Total operating income (loss) | $ 41.9 | 24.1 | 58.1 | 25.8
Restructuring expense |  | $ (1.3) | $ (0.1) | $ (3.5)

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