Pension and Other Post-retirement Benefit Plans (Tables)

3 Months Ended

Dec. 31, 2012

Pension And Other Post-Retirement Benefit Plans Tables

Net periodic benefit cost

	Three Months Ended Dec 31,
	Pension Benefits						Other Benefits
	2012			2011			2012			2011
Service cost	$	98,979		$	82,165		$	4,321		$	3,597
Interest cost		178,766			192,835			11,556			10,392
Expected return on plan assets		(221,641	)		(194,549	)		—			—
Amortization of prior service cost		3,557			4,105			887			(2,923	)
Amortization of net (gain) loss		155,983			176,383			(3,886	)		(6,118	)
Net periodic benefit cost	$	215,644		$	260,939		$	12,878		$	4,948