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Intangibles, Net and Goodwill | 12 Months Ended
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Mar. 26, 2016
Intangibles, Net And Goodwill [Abstract] |
Intangibles, net and Goodwill | 6. Intangibles, net and Goodwill ﻿ The intangibles, net balance included on the Consolidated Balance Sheets was $162.8 million and $175.7 million at March 26, 2016 and March 28, 2015, respectively. ﻿ The following information details the gross carrying amount and accumulated amortization of our intangible assets (in thousands): ﻿
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﻿ |  | March 26, 2016 |  |  | March 28, 2015
﻿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 (6.1) |  | 117,975 |  |  | (32,873) |  |  | 98,645 |  |  | (13,596)
﻿In-process research & development ("IPR&D") (7.3) |  | 72,750 |  |  | (14,082) |  |  | 72,750 |  |  | (3,918)
﻿Trademarks and tradename (10.0) |  | 3,037 |  |  | (2,076) |  |  | 3,037 |  |  | (1,141)
﻿Customer relationships (10.0) |  | 15,381 |  |  | (2,655) |  |  | 15,381 |  |  | (1,117)
﻿Backlog (1.0) |  | 220 |  |  | (147) |  |  | - |  |  | -
﻿Non-compete agreements (1.5) |  | 470 |  |  | (209) |  |  | - |  |  | -
﻿Technology licenses (3.2) |  | 16,661 |  |  | (11,620) |  |  | 23,018 |  |  | (17,316)
﻿Total | $ | 228,324 |  | $ | (65,492) |  | $ | 214,661 |  | $ | (38,918)
﻿
| (a) |  | Intangible assets are fully amortized.
﻿ Amortization expense for intangibles in fiscal years 2016, 2015, and 2014 was $35.7 million, $18.2 million, and $2.8 million, respectively. The following table details the estimated aggregate amortization expense for all intangibles owned as of March 26, 2016, for each of the five succeeding fiscal years and in the aggregate thereafter (in thousands): ﻿
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﻿For the year ended March 25, 2017 | $ | 35,345
﻿For the year ended March 31, 2018 | $ | 34,693
﻿For the year ended March 30, 2019 | $ | 31,936
﻿For the year ended March 28, 2020 | $ | 24,543
﻿For the year ended March 27, 2021 | $ | 15,270
﻿Thereafter | $ | 21,045
﻿ The goodwill balance included on the Consolidated Balance Sheets is $287.5 million and $263.1 million at March 26, 2016 and March 28, 2015, respectively. The increase in the goodwill balances primarily resulted from the acquisitions discussed below in Note 7 — Acquisitions.

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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 1 -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 -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 Reference 3: 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 + Details
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