Restructuring Restructuring (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Expense	$ 10.3
Restructuring reserve as of December 31, 2015	37.3
Payments	(29.7)
Adjustments to previous estimates, net	(0.6)
Restructuring reserve as of March 31, 2016	17.3	$ 37.3
Workforce reduction
Restructuring Cost and Reserve [Line Items]
Expense	4.9
Restructuring reserve as of December 31, 2015	33.7
Payments	(25.1)
Adjustments to previous estimates, net	(3.5)	15.9
Restructuring reserve as of March 31, 2016	10.0	33.7
Pipeline programs
Restructuring Cost and Reserve [Line Items]
Expense	5.4
Restructuring reserve as of December 31, 2015	3.6
Payments	(4.6)
Adjustments to previous estimates, net	2.9
Restructuring reserve as of March 31, 2016	$ 7.3	$ 3.6