Contracts and Liabilities (Details) - USD ($) $ in Millions		3 Months Ended
	Jan. 01, 2018	Mar. 31, 2018
Contract assets, December 31, 2017	$ 7.5	$ 7.5
Contract assets, March 31, 2018		6.4
Change in contract assets - increase (decrease)		(1.1)
Deferred income, December 31, 2017	(33.6)	(33.6)
Deferred income, March 31, 2018		(22.1)
Change in deferred income - (increase) decrease		11.5
Revenue recognized that was included in the deferred income balance		$ 33.9
Cumulative catch-up adjustment to revenue	$ 18.6
Receipt of advance cash payment		20.9
Other adjustments		1.5
SmartDose [Member]
Deferred income, March 31, 2018		$ (7.1)
Deferred income, current		0.9
Deferred income, noncurrent		$ 6.2