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Intangibles, Net | 12 Months Ended
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Mar. 28, 2015
Goodwill and Intangibles, Net [Abstract] |
Intangible Assets Disclosure [Text Block] | 6. Intangibles, net The intangibles, net balance included on the Consolidated Balance Sheets was $175.7 million and $12.0 million at March 28, 2015 and March 29, 2014, respectively. The increase in the intangibles balance primarily resulted from the Acquisition discussed below in Note 7 - Acquisition. The following information details the gross carrying amount and accumulated amortization of our intangible assets (in thousands):
|  | March 28, 2015 |  |  | March 29, 2014
Intangible Category / Weighted-Average Amortization period (in years) |  | Gross Amount |  |  | Accumulated Amortization |  |  | Gross Amount |  |  | Accumulated Amortization
Core technology (a) | $ | 1,390 |  | $ | (1,390) |  | $ | 1,390 |  | $ | (1,390)
License agreement (a) |  | 440 |  |  | (440) |  |  | 440 |  |  | (440)
Existing technology (6.5) |  | 98,645 |  |  | (13,596) |  |  | 9,826 |  |  | (4,206)
In-process research & development ("IPR&D") (7.3) |  | 72,750 |  |  | (3,918) |  |  | - |  |  | -
Trademarks and tradename (5.4) |  | 3,037 |  |  | (1,141) |  |  | 1,600 |  |  | (384)
Customer relationships (10.0) |  | 15,381 |  |  | (1,117) |  |  | 2,400 |  |  | (120)
Technology licenses (3.1) |  | 23,018 |  |  | (17,316) |  |  | 18,000 |  |  | (15,117)
Total | $ | 214,661 |  | $ | (38,918) |  | $ | 33,656 |  | $ | (21,657)
| (a) |  | Intangible assets are fully amortized.
Amortization expense for intangibles in fiscal years 2015, 2014, and 2013 was $18.2 million, $2.8 million, and $3.4 million, respectively. The following table details the estimated aggregate amortization expense for all intangibles owned as of March 28, 2015, for each of the five succeeding fiscal years and in the aggregate thereafter (in thousands):
For the year ended March 26, 2016 | $ | 32,304
For the year ended March 25, 2017 | $ | 29,020
For the year ended March 31, 2018 | $ | 27,742
For the year ended March 30, 2019 | $ | 27,053
For the year ended March 28, 2020 | $ | 26,370
Thereafter | $ | 33,266

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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=26713463&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=26713463&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=26713463&loc=d3e16265-109275 + Details
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