v2.4.1.9

Intangible Assets Schedule of Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2014
Schedule of Intangible Assets [Abstract] |
Schedule of Finite-Lived Intangible Assets [Table Text Block] | The gross carrying amount and accumulated amortization of our intangible assets, other than goodwill, are as follows:
| December 31, 2014 |  | December 31, 2013
| Gross Assets |  | Accumulated Amortization |  | Net |  | Gross Assets |  | Accumulated Amortization |  | Net
| (in thousands)
Core-developed technology | $ | 405,434 |  |  | $ | (359,500 | ) |  | $ | 45,934 |  |  | $ | 428,890 |  |  | $ | (356,017 | ) |  | $ | 72,873 |
Customer contracts and relationships | 262,930 |  |  | (172,755 | ) |  | 90,175 |  |  | 291,185 |  |  | (173,952 | ) |  | 117,233 |
Trademarks and trade names | 68,205 |  |  | (64,905 | ) |  | 3,300 |  |  | 73,117 |  |  | (67,449 | ) |  | 5,668 |
Other | 11,579 |  |  | (11,079 | ) |  | 500 |  |  | 11,089 |  |  | (11,023 | ) |  | 66 |
Total intangible assets subject to amortization | 748,148 |  |  | (608,239 | ) |  | 139,909 |  |  | 804,281 |  |  | (608,441 | ) |  | 195,840 |
SummaryOfIntangibleAssetAccountActivity [Table Text Block] | A summary of the intangible asset account activity is as follows:
| Year Ended December 31,
| 2014 |  | 2013
| (in thousands)
Beginning balance, intangible assets, gross | $ | 804,281 |  |  | $ | 802,540 |
Intangible assets acquired | 1,453 |  |  | (1,500 | )
Effect of change in exchange rates | (57,586 | ) |  | 3,241 |
Ending balance, intangible assets, gross | $ | 748,148 |  |  | $ | 804,281 |
Finite-lived Intangible Assets Amortization Expense [Table Text Block] | A summary of intangible asset amortization expense is as follows:
Amortization expense | Year Ended December 31,
| 2014 |  | 2013 |  | 2012
| (in thousands)
Amortization expense | $ | 43,704 |  |  | $ | 42,019 |  |  | $ | 47,810 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] | Estimated future annual amortization expense is as follows:
Years ending December 31, |  | Estimated Annual Amortization
|  | (in thousands)
2015 |  | $ | 33,562 |
2016 |  | 26,522 |
2017 |  | 19,485 |
2018 |  | 13,571 |
2019 |  | 10,501 |
Beyond 2019 |  | 36,268 |
Total intangible assets subject to amortization |  | $ | 139,909 |

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