Income Taxes (Components of Income Tax Expense (Benefit) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Current and Deferred Income Tax Expense (Benefit) [Line Items]
Deferred Income Tax Expense (Benefit)	$ 0.1	$ (1.8)
Income Tax Expense (Benefit)	$ 0.3	$ (1.6)