Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details Textual)

v3.6.0.2
Income Taxes (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Operating Loss Carryforwards [Line Items]      
Valuation allowance, change in amount $ 6.3 $ (231.7) $ (7.2)
Unrecognized tax benefits that would impact effective tax rate 35.5    
Realization Of Excess Tax Benefits From Share Based Compensation      
Operating Loss Carryforwards [Line Items]      
Deferred tax assets not recognized related to share-based compensation 13.7 $ 11.5  
Research Tax Credit Carryforward      
Operating Loss Carryforwards [Line Items]      
Tax credit carryforward 21.9    
California and New Jersey Research Tax Credit Carryforward      
Operating Loss Carryforwards [Line Items]      
Tax credit carryforward 19.4    
Internal Revenue Service (IRS)      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforward 446.3    
State and Local Jurisdiction      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforward $ 140.5