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Segment Information (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2017 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2017 USD ($) segment | Sep. 30, 2016 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Segment Reporting [Abstract] |  |  |  |  |  |
Number of reportable segments | segment |  |  | 3 |  |  |
Segment Information |  |  |  |  |  |
Net sales | $ 262,476 | $ 230,974 | $ 745,345 | $ 660,470 |  |
Income (Loss) from Operations | 46,696 | 45,777 | 114,463 | 113,342 |  |
Total Assets | 1,068,383 | 984,303 | 1,068,383 | 984,303 | $ 979,974 |
Cash and cash equivalent | 204,171 | 218,720 | 204,171 | 218,720 | 226,537 | $ 258,825
Intersegment elimination |  |  |  |  |  |
Segment Information |  |  |  |  |  |
Net sales | 4,888 | 11,710 | 17,484 | 24,882 |  |
Administrative and all other |  |  |  |  |  |
Segment Information |  |  |  |  |  |
Income (Loss) from Operations | (197) | (728) | (3,387) | (5,019) |  |
Total Assets | (114,886) | (15,755) | (114,886) | (15,755) | (64,091) |
Cash and cash equivalent | 116,000 | 128,600 | 116,000 | 128,600 | 137,400 |
North America |  |  |  |  |  |
Segment Information |  |  |  |  |  |
Net sales | 213,254 | 197,459 | 612,765 | 569,198 |  |
Income (Loss) from Operations | 41,972 | 42,356 | 110,748 | 112,924 |  |
Total Assets | 946,180 | 795,339 | 946,180 | 795,339 | 853,826 |
North America | Intersegment elimination |  |  |  |  |  |
Segment Information |  |  |  |  |  |
Net sales | 625 | 732 | 2,403 | 1,994 |  |
Europe |  |  |  |  |  |
Segment Information |  |  |  |  |  |
Net sales | 47,137 | 31,485 | 126,752 | 86,003 |  |
Income (Loss) from Operations | 5,139 | 3,899 | 7,443 | 4,180 |  |
Total Assets | 211,083 | 178,428 | 211,083 | 178,428 | 165,121 |
Europe | Intersegment elimination |  |  |  |  |  |
Segment Information |  |  |  |  |  |
Net sales | 175 | 157 | 424 | 338 |  |
Asia/Pacific |  |  |  |  |  |
Segment Information |  |  |  |  |  |
Net sales | 2,085 | 2,030 | 5,828 | 5,269 |  |
Income (Loss) from Operations | (218) | 250 | (341) | 1,257 |  |
Total Assets | 26,006 | 26,291 | 26,006 | 26,291 | $ 25,118 |
Asia/Pacific | Intersegment elimination |  |  |  |  |  |
Segment Information |  |  |  |  |  |
Net sales | $ 4,088 | $ 10,821 | $ 14,657 | $ 22,550 |  |

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