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Goodwill and Intangible Assets | 6 Months Ended
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Jun. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets | Goodwill and Intangible Assets Goodwill Goodwill arises from the acquisition method of accounting for business combinations and represents the excess of the purchase price over the fair value of the net assets and other identifiable intangible assets acquired. The fair values of net tangible assets and intangible assets acquired are based upon preliminary valuations and the Company's estimates and assumptions are subject to change within the measurement period (potentially up to one year from the acquisition date). During the six months ended June 30, 2018, the Company adjusted its allocation of purchase price for the acquisition of Exar related to updates to estimates of certain tax-related assets acquired and liabilities assumed with a corresponding increase in goodwill of $0.3 million. The following table presents the changes in the carrying amount of goodwill:
| Carrying Amount
| (in thousands)
Balance as of December 31, 2017 | $ | 237,992 |
Adjustments | 338 |
Balance as of June 30, 2018 | $ | 238,330 |
The Company performs an annual goodwill impairment assessment on October 31st each year, using a two-step quantitative assessment. Step one is the identification of potential impairment. This involves comparing the fair value of each reporting unit, which the Company has determined to be the entity itself, with its carrying amount, including goodwill. If the fair value of a reporting unit exceeds the carrying amount, the goodwill of the reporting unit is considered not impaired and the second step of the impairment test is unnecessary. If the carrying amount of a reporting unit exceeds its fair value, the second step of the impairment test is performed to measure the amount of impairment loss, if any. In addition to its annual review, the Company performs a test of impairment when indicators of impairment are present. During the six months ended June 30, 2018 and 2017, no indications of impairment of the Company's goodwill balances were identified and, as a result, no goodwill impairment was recognized. Acquired Intangibles Finite-lived Intangible Assets The following table sets forth the Company’s finite-lived intangible assets resulting from business acquisitions and other purchases, which continue to be amortized:
|  |  | June 30, 2018 |  | December 31, 2017
| Weighted Average Useful Life (in Years) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
|  |  | (in thousands)
Licensed technology | 3.7 |  | $ | 2,070 |  |  | $ | (860 | ) |  | $ | 1,210 |  |  | $ | 2,070 |  |  | $ | (575 | ) |  | $ | 1,495 |
Developed technology | 6.9 |  | 241,561 |  |  | (57,189 | ) |  | 184,372 |  |  | 241,561 |  |  | (39,252 | ) |  | 202,309 |
Trademarks and trade names | 6.1 |  | 13,800 |  |  | (3,122 | ) |  | 10,678 |  |  | 13,800 |  |  | (1,992 | ) |  | 11,808 |
Customer relationships | 4.6 |  | 121,100 |  |  | (41,154 | ) |  | 79,946 |  |  | 121,100 |  |  | (26,661 | ) |  | 94,439 |
Non-compete covenants | 3.0 |  | 1,100 |  |  | (689 | ) |  | 411 |  |  | 1,100 |  |  | (506 | ) |  | 594 |
| 6.1 |  | $ | 379,631 |  |  | $ | (103,014 | ) |  | $ | 276,617 |  |  | $ | 379,631 |  |  | $ | (68,986 | ) |  | $ | 310,645 |
The following table sets forth amortization expense associated with finite-lived intangible assets, which is included in the consolidated statements of operations as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
| (in thousands) |  | (in thousands)
Cost of net revenue | $ | 8,978 |  |  | $ | 6,260 |  |  | $ | 17,956 |  |  | $ | 8,944 |
Research and development | 42 |  |  | 138 |  |  | 84 |  |  | 275 |
Selling, general and administrative | 7,994 |  |  | 8,262 |  |  | 15,988 |  |  | 10,143 |
| $ | 17,014 |  |  | $ | 14,660 |  |  | $ | 34,028 |  |  | $ | 19,362 |
Amortization of finite-lived intangible assets in cost of net revenue in the consolidated statements of operations results primarily from acquired developed technology. The following table sets forth the activity during the six months ended June 30, 2018 related to finite-lived intangible assets resulting from amortization:
| Carrying Amount
| (in thousands)
Balance as of December 31, 2017 | $ | 310,645 |
Amortization | (34,028 | )
Balance as of June 30, 2018 | $ | 276,617 |
The Company regularly reviews the carrying amount of its long-lived assets subject to depreciation and amortization, as well as the related useful lives, to determine whether indicators of impairment may exist that warrant adjustments to carrying values or estimated useful lives. An impairment loss is recognized when the sum of the expected future undiscounted net cash flows is less than the carrying amount of the asset. Should impairment exist, the impairment loss is measured based on the excess of the carrying amount of the asset over the asset’s fair value. During the six months ended June 30, 2018 and 2017, no impairment losses related to finite-lived intangible assets were recognized. The following table presents future amortization of the Company’s finite-lived intangible assets at June 30, 2018:
| Amount
| (in thousands)
2018 (6 months) | $ | 34,013 |
2019 | 57,191 |
2020 | 56,325 |
2021 | 55,542 |
2022 | 38,012 |
Thereafter | 35,534 |
Total | $ | 276,617 |
Indefinite-lived Intangible Assets As of June 30, 2018 and December 31, 2017, total indefinite-lived intangible assets, which consist of acquired in-process research and development, were $4.4 million. The Company performs its annual assessment of indefinite-lived intangible assets on October 31 each year or more frequently if events or changes in circumstances indicate that the asset might be impaired utilizing a qualitative test as a precursor to the quantitative test comparing the fair value of the assets with their carrying amount. Based on the qualitative test, if it is more likely than not that indicators of impairment exists, the Company proceeds to perform a quantitative analysis. In the year ended December 31, 2017, the Company recognized IPR&D impairment losses of $2.0 million related principally to acquired Exar assets and in the year ended December 31, 2016, the Company recognized IPR&D impairment losses of $1.3 million related principally to acquired wireless infrastructure access assets. During the six months ended June 30, 2018 and 2017, no indicators of impairment were identified and, as a result, no IPR&D impairment losses were recorded.

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- Definition The entire disclosure for goodwill and 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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