Contracts and Liabilities (Details) - USD ($) $ in Millions		6 Months Ended
	Jan. 01, 2018	Jun. 30, 2018
Contract assets, December 31, 2017	$ 7.5	$ 7.5
Contract assets, June 30, 2018		6.0
Change in contract assets - (decrease) increase		(1.5)
Deferred income, December 31, 2017	(33.6)	(33.6)
Deferred income, June 30, 2018		(24.2)
Change in deferred income - decrease (increase)		9.4
Revenue recognized that was included in the deferred income balance		$ 48.4
Cumulative catch-up adjustment to revenue	$ 25.4
Receipt of advance cash payment		35.3
Other adjustments		3.7
SmartDose [Member]
Deferred income, June 30, 2018		$ (6.9)
Deferred income, current		0.9
Deferred income, noncurrent		$ 6.0