Other Expense Development and Licensing Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jan. 01, 2018	Jun. 30, 2013
Development and licensing income [Line Items]
Development and licensing income	$ 0.9	$ 10.6	$ 1.5
Deferred income	33.4			$ 33.6
SmartDose [Member]
Development and licensing income [Line Items]
Development and licensing income	$ 0.9	1.5	$ 1.5
Deferred income					$ 20.0
Other [Member]
Development and licensing income [Line Items]
Development and licensing income		$ 9.1