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Segment Information - Schedule of Reportable Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Segment Reporting Information [Line Items] |  |
Sales to external customers | $ 325,894 | $ 265,765
Intercompany sales | 0 | 0
Operating income | 44,435 | 18,619
Restructuring and other charges | (5,274) | (12,739)
Currency exchange losses, net | 2,008 | 580
Other operating expense (Note 19) | 2,824 | 0
Strategic Transaction Costs | 94 | 1,337
Adjusted operating income (loss) | 54,635 | 33,275
Americas |  |
Segment Reporting Information [Line Items] |  |
Sales to external customers | 209,129 | 166,568
Restructuring and other charges |  | (400)
International |  |
Segment Reporting Information [Line Items] |  |
Restructuring and other charges | (3,300) | (12,300)
Corporate |  |
Segment Reporting Information [Line Items] |  |
Restructuring and other charges | (2,000) |
Reportable Segments | Americas |  |
Segment Reporting Information [Line Items] |  |
Sales to external customers | 209,129 | 166,568
Intercompany sales | 34,198 | 30,189
Adjusted operating income (loss) | $ 50,086 | $ 36,151
Adjusted operating margin % | 23.90% | 21.70%
Reportable Segments | International |  |
Segment Reporting Information [Line Items] |  |
Sales to external customers | $ 116,765 | $ 99,197
Intercompany sales | 82,379 | 70,196
Adjusted operating income (loss) | $ 12,778 | $ 7,796
Adjusted operating margin % | 10.90% | 7.90%
Reportable Segments | Corporate |  |
Segment Reporting Information [Line Items] |  |
Sales to external customers | $ 0 | $ 0
Intercompany sales | 0 | 0
Adjusted operating income (loss) | (8,229) | (10,672)
Reconciling Items |  |
Segment Reporting Information [Line Items] |  |
Sales to external customers | 0 | 0
Intercompany sales | (116,577) | (100,385)
Adjusted operating income (loss) | $ 0 | $ 0

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