Retirement Plans (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected benefit obligation, beginning of year	$ 2,381	$ 3,008	$ 2,787
Service cost	0	0	3
Interest cost	45	126	132
Benefits paid	(1,228)	(66)	(25)
Projected benefit obligation, end of year	1,117	2,381	3,008
Defined Benefit Plan [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected benefit obligation, beginning of year	2,363	2,659	2,548
Service cost	0	0	3
Interest cost	45	126	132
Amortization of prior service costs	1	6	1
Net periodic benefit cost	46	132	136
Benefits paid	(1,228)	(66)	(25)
Curtailment and settlement	0	(362)	0
Projected benefit obligation, end of year	$ 1,181	$ 2,363	$ 2,659