Other Expense Other (Income) Development and Licensing Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018	Jun. 30, 2013
Development and licensing income [Line Items]
Development and licensing income	$ 0.2	$ 0.2	$ 0.6	$ 0.6
Deferred income	30.9		30.9		$ 33.4
SmartDose [Member]
Development and licensing income [Line Items]
Development and licensing income	$ 0.2		$ 0.6
Deferred income						$ 20.0