Other Expense Other (Income) Development and Licensing Income (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Jun. 30, 2013
Development and licensing income [Line Items]
Development and licensing income	$ 0.2	$ 0.2
Deferred income	41.8		$ 34.9
SmartDose [Member]
Development and licensing income [Line Items]
Development and licensing income	$ 0.2	$ 0.2
Deferred income				$ 20.0