Restructuring Restructuring (Details Textual) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected percentage of positions eliminated	11.00%
Previously accrued incentive compensation	$ 120.0	$ 120.0
Previously accrued incentive compensation	15.9
Total restructuring charges expected	105.0	105.0
Restructuring charges	93.4	$ 93.4	$ 0.0	$ 0.0
Workforce reduction
Restructuring Cost and Reserve [Line Items]
Previously accrued incentive compensation	15.9
Restructuring charges	86.2
Pipeline programs
Restructuring Cost and Reserve [Line Items]
Previously accrued incentive compensation	0.0
Restructuring charges	$ 7.2