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Income Taxes (Narrative) (Details)
In Millions, except Per Share data, unless otherwise specified
9 Months Ended 3 Months Ended 9 Months Ended 3 Months Ended
Jun. 30, 2012
Spanish Tax Settlement [Member]
USD ($)
Dec. 31, 2011
Spanish Tax Settlement [Member]
USD ($)
Dec. 31, 2011
Spanish Tax Settlement [Member]
EUR (€)
Jun. 30, 2012
Spanish Tax Ruling [Member]
USD ($)
Jun. 30, 2012
Spanish Tax Ruling [Member]
Jun. 30, 2012
European Homecare Business [Member]
USD ($)
Income Taxes [Line Items]            
Increase (decrease) in income tax expense $ 43.8     $ (58.3)    
Increase (decrease) in income tax expense, per share $ 0.20     $ (0.27)    
Increase (decrease) in unrecognized tax benefit           33.3
Income tax settlement   $ 56.0 € 41.3      
Impact on effective income tax rate due to tax ruling         (5.10%)  
Impact on effective income tax rate due to settlement 3.80%