Retirement Benefits (Net Amount Included In Consolidated Balance Sheets) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	$ 240.8	$ 3.0
Current liabilities	(3.5)	(11.5)
Noncurrent liabilities	(58.0)	(122.1)
Net amount at December 31	179.3	(130.6)
Other Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	0	0
Current liabilities	0	0
Noncurrent liabilities	(257.7)	(302.7)
Net amount at December 31	$ (257.7)	$ (302.7)