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Goodwill and Intangible Assets (Tables) | 3 Months Ended
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Mar. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of changes in carrying amount of goodwill | The changes in the carrying amount of goodwill for the three months ended March 31, 2015 are as follows (in thousands):
| 2015
Goodwill balance at January 1 | 184,464 |
Effect of foreign exchange | (59 | )
Goodwill balance at March 31 | $ | 184,405 |
Other intangible assets | Other intangible assets at March 31, 2015 and December 31, 2014, consisted of the following (in thousands):
| March 31, 2015
| Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Patents | $ | 10,680 |  |  | $ | (2,282 | ) |  | $ | 8,398 |
Distribution agreements | 5,626 |  |  | (2,421 | ) |  | 3,205 |
License agreements | 8,869 |  |  | (1,981 | ) |  | 6,888 |
Trademarks | 7,253 |  |  | (2,188 | ) |  | 5,065 |
Covenants not to compete | 1,029 |  |  | (696 | ) |  | 333 |
Customer lists | 20,384 |  |  | (13,619 | ) |  | 6,765 |
Royalty agreements | 267 |  |  | (267 | ) |  | — |
Total | $ | 54,108 |  |  | $ | (23,454 | ) |  | $ | 30,654 |
| December 31, 2014
| Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Patents | $ | 10,199 |  |  | $ | (2,196 | ) |  | $ | 8,003 |
Distribution agreements | 5,376 |  |  | (2,285 | ) |  | 3,091 |
License agreements | 8,995 |  |  | (1,823 | ) |  | 7,172 |
Trademarks | 7,298 |  |  | (2,079 | ) |  | 5,219 |
Covenants not to compete | 1,029 |  |  | (636 | ) |  | 393 |
Customer lists | 20,452 |  |  | (13,194 | ) |  | 7,258 |
Royalty agreements | 267 |  |  | (267 | ) |  | — |
Total | $ | 53,616 |  |  | $ | (22,480 | ) |  | $ | 31,136 |
Estimated amortization expense | Estimated amortization expense for the developed technology and other intangible assets for the next five years consists of the following as of March 31, 2015 (in thousands):
Year Ending December 31 |
Remaining 2015 | $ | 11,101 |
2016 | 14,279 |
2017 | 13,723 |
2018 | 13,147 |
2019 | 12,864 |

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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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