Benefit Plans (Tables)

9 Months Ended

Mar. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Net periodic costs

The following table provides summary disclosures of the net periodic postemployment costs recognized for the Company’s postemployment benefit plans:

	Pension Benefits						Retiree Health Care Benefits
Three Months Ended March 31,	2014			2013			2014			2013
Components of net periodic cost:
Service cost	$	19		$	20		$	12		$	20
Interest cost	295			314			35			47
Expected return on plan assets	(104		)	(101		)
Recognized net actuarial loss (gain)	153			184			(9		)	(13		)
Amortization of prior service cost	20			21			(68		)	27
Net periodic cost	$	383		$	438		$	(30	)	$	81

	Pension Benefits						Retiree Health Care Benefits
Nine Months Ended March 31,	2014			2013			2014			2013
Components of net periodic cost:
Service cost	$	57		$	60		$	36		$	60
Interest cost	885			945			104			142
Expected return on plan assets	(312		)	(303		)
Recognized net actuarial loss (gain)	459			551			(28		)	(40		)
Amortization of prior service cost	59			62			(203		)	80
Net periodic cost	$	1,148		$	1,315		$	(91	)	$	242