Revenue Contracts Assets and Liabilities (Details) - USD ($) $ in Millions		12 Months Ended
	Jan. 01, 2018	Dec. 31, 2018
Contract assets, December 31, 2018	$ 7.5	$ 9.1
Change in contract assets - increase (decrease)		1.6
Deferred income, December 31, 2018	(33.6)	(33.4)
Change in deferred income - decrease (increase)		0.2
Revenue recognized that was included in the deferred income balance		$ 111.1
Contract with customer, liability, cumulative catch-up adjustment to revenue, change in measure of progress	28.9
Contract with customer, timing of satisfaction of performance obligation and payment		109.8
Contract with customer, liability, explanation of change		1.1
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] | Accounting Standards Update 2014-09 [Member]
Contract with customer, liability, cumulative catch-up adjustment to revenue, change in measure of progress	$ 18.6
SmartDose [Member]
Deferred income, December 31, 2018		$ (6.5)
Deferred income, Current		0.9
Deferred income, Noncurrent		$ 5.6