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Segment Information - Reconciliation of Segment Operating Income to Consolidated Loss Before Income Taxes (Detail) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |  |
Operating income (loss) | $ 55,800,000 | $ (2,900,000) | [1] | $ 211,600,000 | $ 15,400,000 |
Interest expense | (15,900,000) | (16,400,000) |  | (48,200,000) | (36,400,000) |
Other income (expense), net | (17,700,000) | (21,100,000) | [1] | (58,300,000) | (78,500,000) | [1]
Cost-reduction (charges) benefit |  | (46,100,000) |  | 0 | (99,000,000) |
Total income (loss) before income taxes | 22,200,000 | (40,400,000) |  | 105,100,000 | (99,500,000) |
Other income (expense), net |  |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |  |
Cost-reduction (charges) benefit |  | 5,700,000 |  |  | 600,000 |
Other income (expense), net | Net foreign currency translation adjustment |  |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |  |
Cost-reduction (charges) benefit |  | 5,700,000 |  |  | 600,000 |
Operating Segments |  |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |  |
Operating income (loss) | 53,100,000 | 48,300,000 |  | 209,000,000 | 113,600,000 |
Segment Reconciling Items |  |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |  |
Cost-reduction (charges) benefit | 900,000 | (51,800,000) |  | 3,100,000 | (99,600,000) |
Corporate and eliminations |  |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |  |
Operating income (loss) | $ 1,800,000 | $ 600,000 |  | $ (500,000) | $ 1,400,000 |
[1] | Amounts were changed to conform to the current-year presentation. See Note 3.

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