Employee Benefit Plans Amounts Recognized in the Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Pension Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Noncurrent assets	$ 27.0	$ 6.9
Defined benefit pension plan liabilities, current	(4.2)	(3.0)
Defined benefit pension plan, liabilities, noncurrent	(103.1)	(99.0)
Defined benefit plan, amounts recognized in balance sheet	(80.3)	(95.1)
Other Postretirement Benefit Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Noncurrent assets	0.0	0.0
Postemployment benefits liability, current	(29.4)	(29.6)
Other postretirement defined benefit plan, liabilities, noncurrent	(559.0)	(625.1)
Other postretirement defined benefit plan, liabilities	$ (588.4)	$ (654.7)