Revenues (Details Textual) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($) wholesaler	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) wholesaler	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Disaggregation of Revenue [Line Items]
Other Revenues	$ 3,376.1	$ 3,600.1	$ 10,592.0	$ 10,706.6
Number of wholesalers | wholesaler	2		2
Distributor One
Disaggregation of Revenue [Line Items]
Percentage of revenues from major distributors	31.20%	28.70%	30.90%	30.10%
Distributor Two
Disaggregation of Revenue [Line Items]
Percentage of revenues from major distributors	15.60%	18.40%	16.00%	17.00%
Other corporate revenues
Disaggregation of Revenue [Line Items]
Revenues related to amendment of contract manufacturing agreement	$ 166.8		$ 166.8		$ 500.0
Other Revenues	110.0	$ 93.1	599.5	$ 462.4
Other corporate revenues | Contract Manufacturing Customer
Disaggregation of Revenue [Line Items]
Other Revenues	333.2
Other
Disaggregation of Revenue [Line Items]
Other Revenues	$ 125.7	$ 109.6	$ 642.6	$ 562.0