Share Repurchase Program (Narrative) (Details) (USD $)	6 Months Ended
	Mar. 31, 2015	Dec. 17, 2014
Equity Class Of Treasury Stock [Line Items]
Stock Repurchase Program Expiration Date	Dec. 31, 2015
Stock purchased under repurchase program	171,416
Stock purchased under repurchase program, value	$ 5,759,000
Stock purchased under Repurchased program, Average Price Per Share	$ 33.60
Maximum
Equity Class Of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount		$ 25,000,000