Restricted Stock Plan (Summary Of Pre-Tax Compensation Expense) (Details) - USD ($)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock awards, total compensation expense	$ 895,127	$ 659,320	$ 683,968
Performance Based, Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock awards, total compensation expense	480,159	287,789	345,405
Non-Performance Based, Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock awards, total compensation expense	$ 414,968	$ 371,531	$ 338,563