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Intangibles, net and Goodwill | 12 Months Ended
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Mar. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangibles, net and Goodwill | Intangibles, net and Goodwill The intangibles, net balance included on the Consolidated Balance Sheet was $67.8 million and $111.5 million at March 30, 2019 and March 31, 2018, respectively. The following information details the gross carrying amount and accumulated amortization of our intangible assets (in thousands):
|  | March 30, 2019 |  | March 31, 2018
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 (6.3) |  | 117,976 |  |  | (94,136 | ) |  | 117,976 |  |  | (75,048 | )
In-process research & development (“IPR&D”) (7.3) |  | 97,972 |  |  | (69,794 | ) |  | 97,972 |  |  | (49,556 | )
Trademarks and tradename (10.0) |  | 3,037 |  |  | (2,461 | ) |  | 3,037 |  |  | (2,333 | )
Customer relationships (10.0) |  | 15,381 |  |  | (7,270 | ) |  | 15,381 |  |  | (5,732 | )
Backlog (a) |  | 220 |  |  | (220 | ) |  | 220 |  |  | (220 | )
Non-compete agreements (a) |  | 470 |  |  | (470 | ) |  | 470 |  |  | (470 | )
Technology licenses (3.0) |  | 28,336 |  |  | (21,194 | ) |  | 28,063 |  |  | (18,213 | )
Total |  | $ | 265,222 |  |  | $ | (197,375 | ) |  | $ | 264,949 |  |  | $ | (153,402 | )
(a) | Intangible assets are fully amortized.
Amortization expense for intangibles in fiscal years 2019, 2018, and 2017 was $47.8 million, $53.7 million, and $37.4 million, respectively. The following table details the estimated aggregate amortization expense for all intangibles owned as of March 30, 2019, for each of the five succeeding fiscal years and in the aggregate thereafter (in thousands):
For the year ended March 28, 2020 | $ | 28,443 |
For the year ended March 27, 2021 | $ | 17,750 |
For the year ended March 26, 2022 | $ | 12,755 |
For the year ended March 25, 2023 | $ | 6,663 |
For the year ended March 30, 2024 | $ | 1,695 |
Thereafter | $ | 541 |
The goodwill balance included on the Consolidated Balance Sheet is $286.2 million and $288.7 million at March 30, 2019 and March 31, 2018, respectively.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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