Other Expenses - Other Expenses Breakout (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Other Expenses [Abstract]
Accretion Expense	$ 0.2	$ 0.1
General Insurance Expense	0.4	0.5
Advertising Expense	0.7	0.6
Technology Services Costs	1.5	1.2
Supplies and Postage Expense	0.3	0.3
Clearance Fees	0.2	0.4
Taxes, Miscellaneous	1.0	1.0
Other Expenses	2.0	1.3
Other Cost and Expense, Operating	$ 6.3	$ 5.4