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