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Subsequent Events (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Sep. 01, 2015
Nov. 30, 2016
Sep. 30, 2016
Sep. 30, 2015
Subsequent Event [Line Items]        
Proceeds from Divestiture of Businesses     $ 0.0 $ 162.5
Expected pre-tax gain $ 29.1      
Subsequent Event [Member]        
Subsequent Event [Line Items]        
Proceeds from Divestiture of Businesses   $ 235.0    
Expected pre-tax gain   $ 200.0