Contingencies (Strides Arcolab Limited Settlement) (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 04, 2013
Subsequent Event
Loss Contingencies [Line Items]
Payment to be received		$ 80.0
Other current liabilities
Loss Contingencies [Line Items]
Contingent consideration	$ 128.6		$ 35.0
Agila Specialties | Other current liabilities
Loss Contingencies [Line Items]
Contingent consideration	110.0			$ 20.0
Purchase consideration, contingent consideration arrangements	$ 90.0
Agila Specialties | Other current liabilities | Maximum
Loss Contingencies [Line Items]
Contingent consideration				$ 173.0