Other Expenses - Other Expenses Breakout (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Other Expenses [Abstract]
Accretion Expense	$ 1.8	$ (2.0)	$ 3.0
General Insurance Expense	1.7	1.6	1.7
Advertising Expense	2.7	3.1	2.3
Technology Services Costs	4.7	3.8	2.8
Supplies and Postage Expense	1.2	1.1	1.2
Clearance Fees	1.1	1.2	1.6
Taxes, Miscellaneous	3.7	3.9	3.8
Other Expenses	6.6	5.7	6.7
Operating Costs and Expenses	$ 23.5	$ 18.4	$ 23.1