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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets by Major Asset Class | The following sets forth the intangible assets by major asset class:
| Useful Life (Years) |  | December 31, 2017 |  | December 31, 2016
| Gross |  | Accumulated Amortization |  | Net Book Value |  | Gross |  | Accumulated Amortization |  | Net Book Value
|  |  |  |  | (In thousands) |  |  |  |  |  | (In thousands) |  |
Indefinite-lived: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trade name, trademark and trade dress and other | NA |  | $ | 218,364 |  |  |  | $ | — |  |  |  | $ | 218,364 |  |  | $ | 88,590 |  |  |  | $ | — |  |  |  | $ | 88,590 |
Amortizing: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Patents | 2-16 |  | 31,581 |  |  |  | 31,491 |  |  |  | 90 |  |  | 31,581 |  |  |  | 31,440 |  |  |  | 141 |
Developed technology and other | 1-9 |  | 15,780 |  |  |  | 8,476 |  |  |  | 7,304 |  |  | 7,981 |  |  |  | 7,981 |  |  |  | — |
Total intangible assets |  |  | $ | 265,725 |  |  |  | $ | 39,967 |  |  |  | $ | 225,758 |  |  | $ | 128,152 |  |  |  | $ | 39,421 |  |  |  | $ | 88,731 |
Amortization Expense Related to Intangible Assets | Amortization expense related to intangible assets at December 31, 2017 in each of the next five fiscal years and beyond is expected to be incurred as follows (in thousands):
2018 | $ | 1,066 |
2019 | 1,053 |
2020 | 966 |
2021 | 910 |
2022 | 734 |
Thereafter | 2,665 |
| $ | 7,394 |

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- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived 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 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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