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Restructuring Charges (Details) (USD $) In Millions, unless otherwise specified | 9 Months Ended
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Sep. 30, 2014
Restructuring Cost and Reserve [Line Items] |
Restructuring Cost, Total Expected Cost | $ 5.7
Restructuring Cost, Severance Costs | 5.3
Restructuring Cost, Other Costs | 0.4
Restructuring and Related Cost, Cost Incurred to Date | 5.6
Restructuring and Related Costs, Cost Incurred to Date, Research and Development | 4.9
Restructuring and Related Costs, Cost Incurred to Date, General and Administrative | 0.7
Restructuring and Related Costs, Cost Incurred to Date, Stock-based Compensation | 0.1
Restructuring Reserve | $ 0.4

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- Definition Amount of costs incurred to date for the specified type of restructuring cost in research and development expense. + References No definition available. + Details
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- Definition Amount of costs incurred to date for restructuring costs as stock-based compensation. + References No definition available. + Details
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- Definition Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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