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Intangible Assets Intangible Assets (Tables) | 6 Months Ended
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Jul. 01, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Finite-Lived Intangible Assets | Intangible assets, net, consist of the following (in thousands):
| July 1, 2017 |  | December 31, 2016
Patents | $ | 20,275 |  |  | $ | 19,950 |
Customer relationships | 7,669 |  |  | 7,669 |
Licenses | 7,500 |  |  | 7,500 |
Acquired technology | 5,580 |  |  | 5,580 |
Trademarks | 3,916 |  |  | 3,777 |
Capitalized software development costs | 2,539 |  |  | 2,539 |
Other | 3,680 |  |  | 3,674 |
Total intangible assets | 51,159 |  |  | 50,689 |
Accumulated amortization | (23,060 | ) |  | (21,313 | )
Intangible assets, net | $ | 28,099 |  |  | $ | 29,376 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | Estimated amortization expense for future fiscal years is as follows (in thousands):
Fiscal year | Amount
2017 (balance of year) | $ | 5,244 |
2018 | 4,656 |
2019 | 3,574 |
2020 | 3,259 |
2021 | 2,482 |
Thereafter | 8,884 |
Total | $ | 28,099 |

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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 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: 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=66006027&loc=d3e16265-109275 + Details
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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=66006027&loc=d3e16323-109275 + Details
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