Employee Benefit Plans (Tables)

9 Months Ended

Jun. 30, 2012

Employee Benefit Plans [Abstract]

Net Periodic Benefit Cost For Pension And Retiree Medical Plans

	Pension Benefits				Other Benefits
	Three Months Ended June 30,
	2012		2011		2012		2011
Service cost	$	0	$	0	$	15	$	13
Interest cost		360		363		13		14
Expected return on plan assets		(328)		(345)		0		0
Amortization of prior service credit		0		0		0		(27)
Amortization of net loss		79		26		0		0
Net periodic benefit cost	$	111	$	44	$	28	$	0

	Pension Benefits				Other Benefits
	Nine Months Ended June 30,
	2012		2011		2012		2011
Service cost	$	0	$	0	$	44	$	39
Interest cost		1,080		1,090		40		42
Expected return on plan assets		(984)		(1,035)		0		0
Amortization of prior service credit		0		0		0		(83)
Amortization of net loss		236		78		0		0
Net periodic benefit cost (credit)	$	332	$	133	$	84	$	(2)