Contracts and Liabilities (Details) - USD ($) $ in Millions		3 Months Ended
	Jan. 01, 2019	Mar. 31, 2019
Contract assets, December 31, 2018	$ 9.1	$ 9.1
Contract assets, March 31, 2019		11.9
Change in contract assets - increase (decrease)		2.8
Deferred income, December 31, 2018	(33.4)	(33.4)
Deferred income, March 31, 2019		(36.5)
Change in deferred income - decrease (increase)		(3.1)
Revenue recognized that was included in the deferred income balance	$ 11.1	$ 25.8
Receipt of advance cash payment		30.6
Other adjustments		1.7
SmartDose [Member]
Deferred income, March 31, 2019		$ (6.3)
Deferred income, current		0.9
Deferred income, noncurrent		$ 5.4