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Intangible Assets and Goodwill | 6 Months Ended
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Jun. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets and Goodwill | Intangible Assets and Goodwill Intangible Assets Intangible assets, net of accumulated amortization, impairment charges and adjustments, are summarized as follows:
|  |  | As of June 30, 2016 |  | As of December 31, 2015
(In millions) | Estimated Life |  | Cost |  | Accumulated Amortization |  | Net |  | Cost |  | Accumulated Amortization |  | Net
Out-licensed patents | 13-23 years |  | $ | 543.3 |  |  | $ | (514.9 | ) |  | $ | 28.4 |  |  | $ | 543.3 |  |  | $ | (506.0 | ) |  | $ | 37.3 |
Developed technology | 15-23 years |  | 3,005.3 |  |  | (2,604.5 | ) |  | 400.8 |  |  | 3,005.3 |  |  | (2,552.9 | ) |  | 452.4 |
In-process research and development | Indefinite until commercialization |  | 692.3 |  |  | — |  |  | 692.3 |  |  | 730.5 |  |  | — |  |  | 730.5 |
Trademarks and tradenames | Indefinite |  | 64.0 |  |  | — |  |  | 64.0 |  |  | 64.0 |  |  | — |  |  | 64.0 |
Acquired and in-licensed rights and patents | 6-18 years |  | 3,405.4 |  |  | (623.3 | ) |  | 2,782.1 |  |  | 3,303.2 |  |  | (502.3 | ) |  | 2,800.9 |
Total intangible assets |  |  | $ | 7,710.3 |  |  | $ | (3,742.7 | ) |  | $ | 3,967.6 |  |  | $ | 7,646.3 |  |  | $ | (3,561.2 | ) |  | $ | 4,085.1 |
For the three and six months ended June 30, 2016, amortization of acquired intangible assets totaled $92.9 million and $181.7 million, respectively, as compared to $92.0 million and $187.9 million, respectively, in the prior year comparative periods. In-process research and development amounts include adjustments for foreign exchange rate fluctuations. Developed Technology Developed technology primarily relates to our AVONEX product, which was recorded in connection with the merger of Biogen, Inc. and IDEC Pharmaceuticals Corporation in 2003. The net book value of this asset as of June 30, 2016 was $392.8 million. Acquired and In-licensed Rights and Patents Acquired and in-licensed rights and patents primarily relate to our acquisition of all remaining rights to TYSABRI from Elan Corporation plc (Elan). The net book value of this asset as of June 30, 2016 was $2,633.4 million. The increase in acquired and in-licensed rights and patents during the six months ended June 30, 2016, primarily reflects:
• | $50.0 million in total milestone payments due to Samsung Bioepis, which became payable upon the approval of BENEPALI and FLIXABI in the E.U. in January 2016 and May 2016, respectively;
• | $20.0 million milestone payment due to AbbVie Biotherapeutics, Inc. (AbbVie), which became payable upon the regulatory approval of ZINBRYTA in the U.S. in May 2016; and
• | $26.5 million upon the approval of ALPROLIX in the E.U. in May 2016, which is comprised of a $20.0 million contingent payment due to the former owners of Syntonix Pharmaceuticals, Inc. (Syntonix) and $6.5 million related to the establishment of a corresponding deferred tax liability.
For additional information on our relationship with Samsung Bioepis, please read Note 17, Collaborative and Other Relationships to these condensed consolidated financial statements. For additional information on our relationship with Syntonix, please read Note 21, Commitments and Contingencies to our consolidated financial statements included in our 2015 Form 10-K. For additional information on our relationship with AbbVie, please read Note 19, Collaborative and Other Relationships to our consolidated financial statements included in our 2015 Form 10-K. Estimated Future Amortization of Intangible Assets Our amortization expense is based on the economic consumption of intangible assets. Our most significant intangible assets are related to our AVONEX and TYSABRI products. Annually, during our long-range planning cycle, we perform an analysis of anticipated lifetime revenues of AVONEX and TYSABRI. This analysis is also updated whenever events or changes in circumstances would significantly affect the anticipated lifetime revenues of either product. Our most recent long range planning cycle was completed in the third quarter of 2015. Based upon this analysis, the estimated future amortization of acquired intangible assets for the next five years is expected to be as follows:
(In millions) | As of June 30, 2016
2016 (remaining six months) | $ | 181.6 |
2017 | 325.1 |
2018 | 298.2 |
2019 | 282.7 |
2020 | 277.1 |
2021 | 265.0 |
Goodwill The following table provides a roll forward of the changes in our goodwill balance:
(In millions) | As of June 30, 2016
Goodwill, beginning of period | $ | 2,663.8 |
Increase to goodwill | 515.0 |
Other | (11.7 | )
Goodwill, end of period | $ | 3,167.1 |
The increase in goodwill during the six months ended June 30, 2016 was related to $600.0 million in contingent milestones achieved (exclusive of $85.0 million in tax benefits) and payable to the former shareholders of Fumapharm AG or holders of their rights. Other includes changes in foreign exchange rates. For additional information related to future contingent payments to the former shareholders of Fumapharm AG or holders of their rights, please read Note 19, Commitments and Contingencies to these condensed consolidated financial statements. As of June 30, 2016, we had no accumulated impairment losses related to goodwill.

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- Definition The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss. + References Reference 1: 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=66006027&loc=d3e16373-109275 Reference 2: 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=66006027&loc=d3e16265-109275 Reference 3: 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=66006027&loc=d3e16323-109275 Reference 4: 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 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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