Retirement Benefits (Tables)

3 Months Ended

Sep. 30, 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
	September 30,
	2013			2012
Service cost	$	27,229		$	28,334
Interest cost	47,544			43,073
Expected return on plan assets	(56,388		)	(49,638		)
Amortization of prior service cost	3,690			3,488
Amortization of net actuarial loss	39,418			47,583
Amortization of initial net obligation	5			6
Net pension benefit cost	$	61,498		$	72,846

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
	September 30,
	2013			2012
Service cost	$	206		$	182
Interest cost	709			870
Amortization of prior service benefit	(26		)	(11		)
Amortization of net actuarial loss	350			128
Net postretirement benefit cost	$	1,239		$	1,169