Other Expenses - Other Expenses Breakout (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Other Expenses [Abstract]
Accretion Expense	$ (2.0)	$ 3.0	$ 2.9
General Insurance Expense	1.6	1.7	1.6
Advertising Expense	3.1	2.3	2.4
Technology Services Costs	3.8	2.8	2.2
Supplies and Postage Expense	1.1	1.2	1.3
Clearance Fees	1.2	1.6	1.7
Taxes, Miscellaneous	3.9	3.8	4.0
Other Expenses	5.7	6.7	5.3
Operating Costs and Expenses	$ 18.4	$ 23.1	$ 21.4