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Note 14 - Earnings Per Share (Tables)
6 Months Ended
Mar. 31, 2013
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Periods Ended March 31,
 
   
Second Quarters
   
Six Months
 
   
2013
   
2012
   
2013
   
2012
 
Income from continuing operations available to common shares
  $ 78.2     $ 62.4     $ 143.5     $ 112.7  
                                 
Basic weighted average shares outstanding
    263.6       296.7       264.7       297.0  
Dilutive effect of non-participating share-based awards
    2.0       1.4       2.0       1.6  
Diluted weighted average common shares outstanding
    265.6       298.1       266.7       298.6  
                                 
Basic EPS from continuing operations
  $ 0.30     $ 0.21     $ 0.54     $ 0.38  
Diluted EPS from continuing operations
  $ 0.29     $ 0.21     $ 0.54     $ 0.38  
                                 
Weighted average shares excluded from diluted EPS because the effect would be anti-dilutive:
         
Share-based awards
    8.5       11.4       8.9       11.6  
Notes
    42.6       42.6       42.6       42.6  
Note hedges
    (42.6 )     (42.6 )     (42.6 )     (42.6 )
Warrants
    42.6       42.6       42.6       42.6