Other Expenses - Other Expenses Breakout (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Other Expenses [Abstract]
General Insurance Expense	$ 0.8	$ 0.6
Advertising Expense	1.4	0.9
Supplies and Postage Expense	0.5	0.4
Clearance Fees	0.4	0.5
Taxes, Miscellaneous	0.9	1.2
Other Expenses	2.5	2.1
Other Cost and Expense, Operating	$ 6.5	$ 5.7