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Intangible Assets (Tables) | 12 Months Ended
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Dec. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Components of Intangible Assets | Intangible assets, net consist of the following (in thousands):
| December 30, 2017 |  | December 31, 2016
Cost |  |  |
Patents | $ | 20,623 |  |  | $ | 19,950 |
Customer relationships | 7,669 |  |  | 7,669 |
Licenses | 7,500 |  |  | 7,500 |
Acquired technology | 5,580 |  |  | 5,580 |
Trademarks | 4,036 |  |  | 3,777 |
Capitalized software development costs | 2,699 |  |  | 2,539 |
Other | 3,691 |  |  | 3,674 |
Total cost | 51,798 |  |  | 50,689 |
Accumulated amortization |  |  |
Patents | (8,473 | ) |  | (7,427 | )
Customer relationships | (4,154 | ) |  | (3,387 | )
Licenses | (4,831 | ) |  | (4,245 | )
Acquired technology | (3,066 | ) |  | (2,508 | )
Trademarks | (1,611 | ) |  | (1,331 | )
Capitalized software development costs | (1,864 | ) |  | (1,766 | )
Other | (676 | ) |  | (649 | )
Total accumulated amortization | (24,675 | ) |  | (21,313 | )
Net carrying amount | $ | 27,123 |  |  | $ | 29,376 |
Estimated Amortization Expense | Estimated amortization expense for each of the next fiscal years is as follows (in thousands):
Fiscal year | Amount
2017 | $ | 5,420 |
2018 | 4,958 |
2019 | 3,817 |
2020 | 3,435 |
2021 | 1,768 |
Thereafter | 7,725 |
Total | $ | 27,123 |

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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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