Benefit Plans (Amounts Recognized in Balane Sheet) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Current liabilities	$ (2.2)	$ (2.8)
Noncurrent liabilities	(83.1)	(135.4)
Pension Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Current liabilities	(1.5)	(1.6)
Noncurrent liabilities	(74.6)	(110.6)
Total liabilities	(76.1)	(112.2)
Other Retirement Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Current liabilities	(0.7)	(1.2)
Noncurrent liabilities	(8.5)	(24.8)
Total liabilities	$ (9.2)	$ (26.0)