Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2013
Income Tax Expense (Benefit)	$ 0.3	$ (1.6)
Valuation allowance, change		4.6
Unrecognized Tax Benefits	3.8		3.7
Accrued interest related to uncertain tax positions	0.9		0.9
Income Tax Examination, Penalties and Interest Expense			$ 0