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Goodwill And Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2017
Goodwill And Other Intangible Assets [Abstract] |
Goodwill Rollforward |
(in thousands) |  | Americas |  |  | Asia |  |  | Total
| Goodwill as of December 31, 2014 | $ | 7,868 |  | $ | 38,102 |  | $ | 45,970
| Acquisition |  | 153,320 |  |  | — |  |  | 153,320
| Goodwill as of December 31, 2015 |  | 161,188 |  |  | 38,102 |  |  | 199,290
| Purchase accounting adjustments |  | (7,674) |  |  | — |  |  | (7,674)
| Goodwill as of December 31, 2016 | $ | 153,514 |  | $ | 38,102 |  | $ | 191,616
| Goodwill as of December 31, 2017 | $ | 153,514 |  | $ | 38,102 |  | $ | 191,616
Schedule Of Intangible Assets |
|  |  | Gross |  |  |  |  |  |  | Net
|  |  | Carrying |  | Accumulated |  |  | Carrying
(in thousands) |  | Amount |  | Amortization |  |  | Amount
| Customer relationships | $ | 100,200 |  | $ | (34,372) |  |  | $ | 65,828
| Purchased software costs |  | 35,328 |  |  | (29,612) |  |  |  | 5,716
| Technology licenses |  | 28,800 |  |  | (17,887) |  |  |  | 10,913
| Trade names and trademarks |  | 7,800 |  |  | — |  |  |  | 7,800
| Other |  | 868 |  |  | (261) |  |  |  | 607
| Intangible assets, December 31, 2017 | $ | 172,996 |  | $ | (82,132) |  |  | $ | 90,864
|  |  | Gross |  |  |  |  |  |  | Net
|  |  | Carrying |  | Accumulated |  |  | Carrying
(in thousands) |  | Amount |  | Amortization |  |  | Amount
| Customer relationships | $ | 100,053 |  | $ | (27,883) |  |  | $ | 72,170
| Purchased software costs |  | 31,582 |  |  | (28,508) |  |  |  | 3,074
| Technology licenses |  | 26,800 |  |  | (14,189) |  |  |  | 12,611
| Trade names and trademarks |  | 7,800 |  |  | — |  |  |  | 7,800
| Other |  | 868 |  |  | (237) |  |  |  | 631
| Intangible assets, December 31, 2016 | $ | 167,103 |  | $ | (70,817) |  |  | $ | 96,286
Schedule Of Amortization Expense | Amortization on the statements of cash flow for 2017, 2016 and 2015 was as follows:
|  | Year Ended December 31,
(in thousands) |  | 2017 |  |  |  | 2016 |  |  | 2015
Amortization of intangible assets | $ | 10,065 |  |  | $ | 11,838 |  | $ | 4,962
Amortization of capitalized purchased software costs |  | 1,078 |  |  |  | 1,147 |  |  | 1,785
Amortization of debt costs |  | 861 |  |  |  | 756 |  |  | 103
| $ | 12,004 |  |  | $ | 13,741 |  | $ | 6,850
Schedule Of Estimated Future Amortization Expense |
Year ending December 31, |  | Amount
| 2018 |  | $ 11,069
| 2019 |  | 10,999
| 2020 |  | 10,198
| 2021 |  | 7,160
| 2022 |  | 7,136

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