Quarterly report pursuant to Section 13 or 15(d)

Other Income (Expense), Net (Details)

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Other Income (Expense), Net (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Accumulated other comprehensive income (loss) [Line Items]        
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions $ (1.2) $ 0.4 $ (0.2) $ (0.1)
Foreign currency exchange gain (loss), net 0.5 0.0 (0.9) 0.1
Other, net (0.4) (0.7) (1.9) (1.9)
Other (expense) income, net $ (1.1) $ (0.3) $ (3.0) $ (1.9)