Discontinued Operations (Narrative) (Details)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
European Homecare Business [Member]
USD ($)
Jun. 30, 2012
European Homecare Business [Member]
EUR (€)
Dec. 31, 2013
U K and Ireland Homecare Business [Member]
USD ($)
Dec. 31, 2013
U K and Ireland Homecare Business [Member]
GBP (£)
Sep. 30, 2013
U K and Ireland Homecare Business [Member]
USD ($)
Jun. 30, 2012
U K and Ireland Homecare Business [Member]
USD ($)
Mar. 31, 2015
U K and Ireland Homecare Business [Member]
USD ($)
Mar. 31, 2015
U K and Ireland Homecare Business [Member]
GBP (£)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Proceeds from sale of business $ 777.0 € 590.0 $ 9.8 £ 6.1        
Gain on sale of business, before tax 207.4              
Gain on sale of business, after-tax 150.3   2.4          
Gain on sale of business, per share $ 0.7              
Impairment charge, before tax         18.7 33.5    
Impairment charge, after-tax         13.6 29.5    
Impairment charge, per share         $ 0.06 $ 0.14    
Maximum potential payment under guarantees             $ 30 £ 20
Exposures under the guarantee completion year             2020 2020