Income Taxes (Details 3) (USD $)	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Reconciliation of the changes in the amount of unrecognized tax benefits
Balance at beginning of the fiscal year	$ 4,823,000	$ 7,941,000
Increases related to prior year tax positions	4,000	26,000
Decreases related to prior year tax positions	(2,094,000)	(1,000)
Increases related to current year tax positions	300,000	218,000
Lapse of statute	(166,000)	(3,361,000)
Balance at end of fiscal year	2,867,000	4,823,000
Total unrecognized tax benefits of accrued interest and penalties	$ 1,100,000	$ 1,400,000