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Commitments and Contingencies (Pace) (Narrative) (Details) (Pace, Florida [Member], USD $)
In Millions, unless otherwise specified
9 Months Ended 12 Months Ended
Jun. 30, 2014
Sep. 30, 2006
Loss Contingencies [Line Items]    
Accrual for environmental loss contingencies $ 32.3 $ 42.0
Estimated years to complete environmental remediation   20 years
Change in estimated exposure 0  
Environmental loss contingencies estimated costs through completion, maximum   52
Environmental loss contingencies estimated costs through completion, minimum   42
Segment Discontinued Operations [Member]
   
Loss Contingencies [Line Items]    
Pretax environmental expense   $ 42.0