Employee Benefit Plans (Schedule of Amounts Recognized in 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	$ 0.0	$ 0.0
Current liabilities	(3.0)	(1.7)
Noncurrent liabilities	(47.6)	(48.0)
Net amount recognized	(50.6)	(49.7)
Other Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Noncurrent assets	0.0	0.0
Current liabilities	(0.9)	(0.9)
Noncurrent liabilities	(23.0)	(27.9)
Net amount recognized	$ (23.9)	$ (28.8)