Benefit Plans (Tables)

12 Months Ended

Jun. 30, 2015

General Discussion of Pension and Other Postretirement Benefits [Abstract]

Summary of changes in benefit obligations, plan assets and funded status for the post employment plans

The following table sets forth the changes in benefit obligations and plan assets during the year and the funded status for the post-employment plans at June 30:

	Pension Benefits						Retiree Health Care Benefits
	2015			2014			2015			2014
Change in benefit obligation:
Benefit obligation at beginning of the year	$	34,558		$	40,664		$	2,790		$	3,719
Service cost	97			77			53			48
Interest cost	896			1,180			95			139
Plan participants’ contributions	—			—			64			63
Benefits paid	(6,697		)	(7,251		)	(238		)	(246		)
Amendments	(8		)	188						—
Actuarial (gain) loss during year	1,148			(300		)	(620		)	(933		)
Benefit obligation at end of year	$	29,994		$	34,558		$	2,144		$	2,790
Change in plan assets:
Fair value of plan assets at beginning of year	$	7,245		$	6,697		$	—		$	—
Actual gain (loss) on plan assets	247			763			—			—
Employer contributions	6,390			7,036			174			183
Plan participants’ contributions	—			—			64			63
Benefits paid	(6,697		)	(7,251		)	(238		)	(246		)
Fair value of plan assets at end of year	$	7,185		$	7,245		$	—		$	—
Funded status at end of year	$	(22,809	)	$	(27,313	)	$	(2,144	)	$	(2,790	)

Amounts Recognized in Consolidated Balance Sheet [Table Text Block]

The amounts recognized in the consolidated balance sheets and in accumulated other comprehensive income (loss) for the post-employment plans were as follows:

	Pension Benefits						Retiree Health Care Benefits
June 30,	2015			2014			2015		2014
Amounts recognized in the consolidated balance sheets:
Other current liabilities	$	5,256		$	6,390		$	220	$	220
Post-employment benefits	17,553			20,923			1,924		2,570
Net amount recognized	$	22,809		$	27,313		$	2,144	$	2,790
Amounts recognized in accumulated other comprehensive (loss) income:
Net actuarial (loss) gain	$	(7,311	)	$	(6,474	)	$	1,492	$	960
Prior service cost	(208		)	(293		)	1,219		1,490
Total amounts recognized in accumulated other comprehensive (loss) income	$	(7,519	)	$	(6,767	)	$	2,711	$	2,450

Information for pension plans with projected benefit obligations in excess of plan assets

The following table provides information for pension plans with projected benefit obligations and accumulated benefit obligations in excess of plan assets:

	Pension Benefits
June 30,	2015		2014
Projected benefit obligations	$	29,994	$	34,558
Accumulated benefit obligations	29,994		34,558
Fair value of plan assets	7,185		7,245

Net periodic costs

The net periodic costs (benefits) are as follows:

	Pension Benefits									Retiree Health Care Benefits
Year Ended June 30,	2015			2014			2013			2015			2014			2013
Service cost	$	97		$	77		$	78		$	53		$	48		$	80
Interest cost	896			1,180			1,260			95			139			188
Expected return on plan assets	(495		)	(416		)	(403		)	—			—			—
Recognized net actuarial loss (gain)	559			611			735			(87		)	(38		)	(53		)
Amortization of prior service cost	86			78			83			(272		)	(271		)	107
Net periodic cost (benefits)	$	1,143		$	1,530		$	1,753		$	(211	)	$	(122	)	$	322

Weighted-average actuarial assumptions used to determine benefit obligations and net periodic benefit cost

The weighted-average actuarial assumptions used to determine benefit obligations and net periodic benefit cost for the plans were as follows:

	Pension Benefits				Retiree Health Care Benefits
June 30,	2015		2014		2015		2014
Assumptions used to determine benefit obligations at year end:
Discount rate	3.0	%	2.8	%	4.0	%	3.8	%
Assumptions used to determine net periodic benefit cost:
Discount rate	2.8	%	3.0	%	3.8	%	4.0	%
Expected return on plan assets	7.0	%	7.0	%	N/A		N/A

One-Percentage Point Change in Assumed Health Care Cost Trend Rates

A one-percentage point change in the assumed health care cost trend rates would have had the following effects as of June 30, 2015 and for the year then ended:

	One-Percentage Point
	Increase		Decrease
Effect on total service and interest cost components of periodic expense	$	20	$	(17	)
Effect on post-retirement benefit obligation	209		(177		)

Defined Benefit Plan Asset Information

Following are the fair values and target allocation as of June 30:

	Target Allocation	Fair Value
		2015		2014
Asset Class:
Equity* securities (Level 1)	40 – 70%	$	4,022	$	3,813
Debt securities (Level 2)	20 – 50%	2,930		3,155
Other (Level 1)	0 – 20%	233		277
Total	100%	$	7,185	$	7,245

Estimated future benefit payments

The following benefit payments, which reflect expected future service, as applicable, are expected to be paid in each of the next five years and in the aggregate for the subsequent five years:

During Fiscal Years	Pension Benefits		Retiree Health  Care Benefits
2016	$	5,600	$	170
2017	1,800		180
2018	2,300		190
2019	4,000		180
2020	3,300		170
2021 through 2025	7,400		620