Annual report pursuant to Section 13 and 15(d)

Other Income (Expense), Net (Details)

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Other Income (Expense), Net (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
Other Income (Expense), Net      
Interest income on Forethought Note     $ 6.4
Equity in net (loss) income of affiliates (1.3) 1.6 5.4
Net realized gain on auction rate securities and investments 0.3 0.2 0.5
Foreign currency exchange gain (loss) 0.1 (0.5) (0.5)
Business acquisition costs, net 1.0    
Other, net (0.5) (2.8) (1.6)
Other income (expense), net $ (0.4) $ (1.5) $ 10.2