Discontinued Operations and Assets and Liabilities Held For Sale (Components Of Assets And Liabilities Held For Sale In Consolidated Balance Sheets) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets	$ 1.1
Property, plant and equipment,net	11.0
Other assets	7.0
Total assets held for sale	19.1
Current liabilities	1.0
Other liabilities	7.1
Total liabilities held for sale	8.1
Net assets held for sale	$ 11.0