Employee Benefit Plans Amounts Recognized in Other Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Pension Benefits, U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans
Pension Recognized in Balance Sheet, Net of Deferred Tax	$ (387.9)	$ (385.5)
Amortization of Net Actuarial Loss	16.2	11.6	$ 5.2
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax	(114.1)	(22.8)
Amortization of Prior Service Cost (Credit)	(0.3)	0.0	0.0
Plan Amendments	0.0	7.5
Change in Unrecognized Pension and Postretirement Benefit Costs, Tax Expense	34.8	1.3
Pension Recognized in Balance Sheet, Net of Deferred Tax	(451.3)	(387.9)	(385.5)
Pension Benefits, Non U.S. Plans
Defined Benefit Plans and Other Postretirement Benefit Plans
Pension Recognized in Balance Sheet, Net of Deferred Tax	(19.2)	(25.0)
Amortization of Net Actuarial Loss	0.1	0.3	0.4
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax	(16.0)	7.0
Amortization of Prior Service Cost (Credit)	0.0	0.0	0.0
Plan Amendments	0.0	0.0
Change in Unrecognized Pension and Postretirement Benefit Costs, Tax Expense	2.0	(1.5)
Pension Recognized in Balance Sheet, Net of Deferred Tax	(33.1)	(19.2)	(25.0)
Other Postretirement Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans
Pension Recognized in Balance Sheet, Net of Deferred Tax	14.5	9.0
Amortization of Net Actuarial Loss	0.0	0.0	0.0
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax	3.9	8.8
Amortization of Prior Service Cost (Credit)	(0.2)	(0.3)	(1.7)
Plan Amendments	3.7	0.0
Change in Unrecognized Pension and Postretirement Benefit Costs, Tax Expense	(2.6)	(3.0)
Pension Recognized in Balance Sheet, Net of Deferred Tax	$ 19.3	$ 14.5	$ 9.0