Organization and Significant Accounting Policies, Research, Development and Patent Expenses (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Research, Development and Patent Expenses [Abstract]
Research and development expenses	$ 340.4	$ 319.5	$ 238.9
Patents [Member]
Patents [Abstract]
Estimated useful life	10 years 1 month 6 days
Cost	$ 28.8	27.5
Accumulated amortization	8.4	8.2
Estimated Amortization Expense [Abstract]
2017	1.4
2018	1.3
2019	1.2
2020	1.1
2021	1.0
Patent expenses	3.9	2.8	2.9
Non-cash charges related to write-down	2.3	1.1	1.3
Collaborative Agreements [Member]
Research, Development and Patent Expenses [Abstract]
Research and development expenses	$ 187.1	$ 161.7	$ 85.6