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Segment Information - Schedule of Reportable Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Segment Reporting Information [Line Items] |  |  |  |
Net sales | $ 331,096 | $ 296,129 | $ 996,320 | $ 850,669
Intercompany sales | 0 | 0 | 0 | 0
Operating income | 40,003 | 39,878 | 131,235 | 71,996
Restructuring charges (Note 5) | (2,615) | (3,214) | (10,223) | (16,920)
Currency exchange losses, net | (252) | 562 | 2,571 | 3,994
Other operating expense (Note 19) | 14,627 | 3,346 | 25,469 | 32,956
Strategic Transaction Costs | 56 | 386 | 208 | 3,365
Adjusted operating income (loss) | 57,049 | 47,386 | 169,706 | 129,231
Americas |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 209,343 | 186,898 | 633,812 | 528,426
Restructuring charges (Note 5) |  |  | (2,000) | (12,500)
Corporate |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Restructuring charges (Note 5) |  |  | (4,700) |
Reportable Segments | Americas |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 209,343 | 186,898 | 633,812 | 528,426
Intercompany sales | 33,877 | 31,451 | 104,520 | 93,904
Adjusted operating income (loss) | $ 51,532 | $ 45,365 | $ 151,456 | $ 125,087
Adjusted operating margin % | 24.60% | 24.30% | 23.90% | 23.70%
Reportable Segments | International |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | $ 121,753 | $ 109,231 | $ 362,508 | $ 322,243
Intercompany sales | 82,852 | 72,496 | 249,745 | 218,267
Adjusted operating income (loss) | $ 13,329 | $ 10,229 | $ 41,960 | $ 30,146
Adjusted operating margin % | 10.90% | 9.40% | 11.60% | 9.40%
Reportable Segments | Corporate |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | $ 0 | $ 0 | $ 0 | $ 0
Intercompany sales | 0 | 0 | 0 | 0
Adjusted operating income (loss) | (7,812) | (8,208) | (23,710) | (26,002)
Reconciling Items |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Intercompany sales | (116,729) | (103,947) | (354,265) | (312,171)
Adjusted operating income (loss) | $ 0 | $ 0 | $ 0 | $ 0

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