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Intangible Assets | 6 Months Ended
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Jun. 29, 2013
Intangible Assets, Net (Excluding Goodwill) [Abstract] |
Intangible Assets | Intangible Assets Finite-lived intangible assets are recorded at cost, less accumulated amortization. Finite-lived intangible assets as of June 29, 2013, and December 29, 2012, consisted of the following (in thousands):
| Adjusted cost as of |  | Accumulated amortization as of |  | Net carrying amount as of
| June 29, 2013 |  | June 29, 2013 |  | June 29, 2013
Developed technology | $ | 17,659 |  |  | $ | (9,558 | ) |  | $ | 8,101 |
Customer relationships | 9,529 |  |  | (8,978 | ) |  | 551 |
Brand names | 1,927 |  |  | (1,650 | ) |  | 277 |
Patented technology | 2,252 |  |  | (1,955 | ) |  | 297 |
Trademark | 80 |  |  | (80 | ) |  | — |
Total | $ | 31,447 |  |  | $ | (22,221 | ) |  | $ | 9,226 |
| Adjusted cost as of December 29, 2012 |  | Accumulated amortization as of December 29, 2012 |  | Net carrying amount as of December 29, 2012
Developed technology | $ | 17,700 |  |  | $ | (8,277 | ) |  | $ | 9,423 |
Customer relationships | 9,538 |  |  | (8,643 | ) |  | 895 |
Brand names | 1,927 |  |  | (1,599 | ) |  | 328 |
Patented technology | 2,252 |  |  | (1,922 | ) |  | 330 |
Trademark | 80 |  |  | (76 | ) |  | 4 |
Total | $ | 31,497 |  |  | $ | (20,517 | ) |  | $ | 10,980 |
The amortization of finite-lived intangibles is computed using the straight-line method. Estimated lives of finite-lived intangibles range from 2 years to 10 years. Total amortization expense for each of the three month periods ended June 29, 2013, and June 30, 2012, was $0.8 million, and for each of the six month periods ended June 29, 2013, and June 30, 2012, was $1.7 million. At June 29, 2013, estimated future amortization expense of intangible assets were as follows (in thousands)
Fiscal years |  | Amount
2013 |  | $ | 1,607 |
2014 |  | 3,006 |
2015 |  | 2,324 |
2016 |  | 1,856 |
2017 |  | 227 |
Thereafter |  | 206 |
Total future amortization expense |  | $ | 9,226 |

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- Definition The entire disclosure for all or part of the information related to 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 -URI http://asc.fasb.org/extlink&oid=7658586&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 3 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16373-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44, 45, 46 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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