Retirement Benefits (Tables)

9 Months Ended

Mar. 31, 2013

Pension Plans, Defined Benefit

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Defined Benefit Plans Disclosures

Net pension benefit cost recognized included the following components:

	Three Months Ended March 31,						Nine Months Ended March 31,
	2013			2012			2013			2012
Service cost	$	24,839		$	21,350		$	79,856		$	63,974
Interest cost	43,329			45,981			131,322			138,720
Expected return on plan assets	(52,863		)	(50,225		)	(158,279		)	(150,495		)
Amortization of prior service cost	3,618			3,505			10,846			10,512
Amortization of net actuarial loss	50,347			26,706			150,495			79,166
Amortization of initial net obligation (asset)	6			(15		)	18			(45		)
Net pension benefit cost	$	69,276		$	47,302		$	214,258		$	141,832

Other Postretirement Benefit Plans, Defined Benefit

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Defined Benefit Plans Disclosures

Net postretirement benefit cost recognized included the following components:

	Three Months Ended March 31,				Nine Months Ended March 31,
	2013		2012		2013		2012
Service cost	$	255	$	183	$	619	$	545
Interest cost	380		838		2,120		2,600
Net amortization and deferral and other	726		92		959		350
Net postretirement benefit cost	$	1,361	$	1,113	$	3,698	$	3,495