Retirement Benefits

9 Months Ended

Mar. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Retirement Benefits

Retirement benefits

Net pension benefit cost recognized included the following components:

	Three Months Ended						Nine Months Ended
	March 31,						March 31,
	2014			2013			2014			2013
Service cost	$	24,935		$	24,839		$	74,621		$	79,856
Interest cost	48,034			43,329			143,043			131,322
Expected return on plan assets	(56,657		)	(52,863		)	(169,619		)	(158,279		)
Amortization of prior service cost	2,949			3,618			8,843			10,846
Amortization of net actuarial loss	39,914			50,347			119,593			150,495
Amortization of initial net obligation	5			6			15			18
Net pension benefit cost	$	59,180		$	69,276		$	176,496		$	214,258

9. Retirement benefits, cont'd

Net postretirement benefit cost recognized included the following components:

	Three Months Ended						Nine Months Ended
	March 31,						March 31,
	2014			2013			2014			2013
Service cost	$	54		$	255		$	466		$	619
Interest cost	811			380			2,229			2,120
Amortization of prior service benefit	(41		)	(55		)	(93		)	(78		)
Amortization of net actuarial loss	56			781			756			1,037
Net postretirement benefit cost	$	880		$	1,361		$	3,358		$	3,698