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Segment Information - Schedule of Reportable Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Segment Reporting Information [Line Items] |  |
Sales to external customers | $ 279,268 | $ 256,708
Intercompany sales | 0 | 0
Operating income (loss) | $ 31,147 | $ 24,541
Operating margin % | 11.20% | 9.60%
Operating Segments | Americas |  |
Segment Reporting Information [Line Items] |  |
Sales to external customers | $ 167,342 | $ 158,502
Intercompany sales | 27,832 | 36,176
Operating income (loss) | $ 31,345 | $ 23,909
Operating margin % | 18.70% | 15.10%
Operating Segments | International |  |
Segment Reporting Information [Line Items] |  |
Sales to external customers | $ 111,926 | $ 98,206
Intercompany sales | 60,688 | 51,110
Operating income (loss) | $ 8,408 | $ 7,569
Operating margin % | 7.50% | 7.70%
Operating Segments | Corporate |  |
Segment Reporting Information [Line Items] |  |
Sales to external customers | $ 0 | $ 0
Intercompany sales | 0 | 0
Operating income (loss) | (8,606) | (6,937)
Reconciling Items |  |
Segment Reporting Information [Line Items] |  |
Sales to external customers | 0 | 0
Intercompany sales | (88,520) | (87,286)
Operating income (loss) | $ 0 | $ 0

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