Other Expense Other (Income) Development and Licensing Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Jun. 30, 2013
Development and licensing income [Line Items]
Foreign Currency Transaction Loss, before Tax	$ (1.1)		$ (1.1)
Development and licensing income	0.2	$ 9.5	0.6	$ 10.3
Deferred income	30.0		30.0		$ 33.6
SmartDose [Member]
Development and licensing income [Line Items]
Development and licensing income	$ 0.2	0.4	$ 0.6	1.2
Deferred income						$ 20.0
Other [Member]
Development and licensing income [Line Items]
Development and licensing income		$ 9.1		$ 9.1