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Quarterly Financial Data (Unaudited) (Details Textual) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Schedule Of Development Milestone And Collaboration [Line Items] |  |  |  |  |  |  |  |  |  |  |
Research and development |  |  |  |  |  |  |  |  | $ 2,012.8 | $ 1,893.4 | $ 1,444.1
Net income attributable to noncontrolling interests, net of tax |  |  |  |  |  |  |  |  | 46.2 | 6.8 | 0.0
Restructuring charges | $ 93.4 |  |  |  |  |  |  |  | 93.4 | 0.0 | 0.0
Product, net | 2,425.9 | $ 2,391.7 | $ 2,198.6 | $ 2,172.3 | $ 2,287.0 | $ 2,117.3 | $ 2,056.3 | $ 1,742.8 | 9,188.5 | $ 8,203.4 | $ 5,542.3
AGTC |  |  |  |  |  |  |  |  |  |  |
Schedule Of Development Milestone And Collaboration [Line Items] |  |  |  |  |  |  |  |  |  |  |
Research and development |  | 48.1 |  |  |  |  |  |  | $ 54.5 |  |
Mitsubishi Tanabe Pharma Corporation |  |  |  |  |  |  |  |  |  |  |
Schedule Of Development Milestone And Collaboration [Line Items] |  |  |  |  |  |  |  |  |  |  |
Research and development | $ 60.0 |  |  |  |  |  |  |  |  |  |
Eisai |  |  |  |  |  |  |  |  |  |  |
Schedule Of Development Milestone And Collaboration [Line Items] |  |  |  |  |  |  |  |  |  |  |
Research and development |  |  |  |  |  |  | 21.6 | $ 117.7 |  |  |
Neurimmune |  |  |  |  |  |  |  |  |  |  |
Schedule Of Development Milestone And Collaboration [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net income attributable to noncontrolling interests, net of tax |  | $ 60.0 |  |  |  |  |  |  |  |  |
ITALY |  |  |  |  |  |  |  |  |  |  |
Schedule Of Development Milestone And Collaboration [Line Items] |  |  |  |  |  |  |  |  |  |  |
Product, net |  |  |  |  |  |  | $ 53.5 |  |  |  |

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- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591551-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 + Details
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- Definition The costs incurred in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, excluding in-process research and development acquired in a business combination consummated during the period. Excludes software research and development, which has a separate concept. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Research and Development -URI http://asc.fasb.org/extlink&oid=6523717 + Details
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