Benefit Plans (Tables)

12 Months Ended

Jun. 30, 2017

Retirement Benefits, Description [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
	2017			2016			2017			2016
Change in benefit obligation:
Benefit obligation at beginning of the year	$	26,605		$	29,994		$	2,235		$	2,144
Service cost	126			91			29			22
Interest cost	687			879			63			75
Plan participants’ contributions	—			—			69			60
Benefits paid	(1,562		)	(5,555		)	(237		)	(229		)
Amendments	—			—			(245		)	—
Actuarial (gain) loss during year	(1,445		)	1,196			(230		)	163
Benefit obligation at end of year	$	24,411		$	26,605		$	1,684		$	2,235
Change in plan assets:
Fair value of plan assets at beginning of year	$	6,737		$	7,185		$	—		$	—
Actual gain (loss) on plan assets	578			(149		)	—			—
Employer contributions	776			5,256			168			169
Plan participants’ contributions	—			—			69			60
Benefits paid	(1,561		)	(5,555		)	(237		)	(229		)
Fair value of plan assets at end of year	$	6,530		$	6,737		$	—		$	—
Funded status at end of year	$	(17,881	)	$	(19,868	)	$	(1,684	)	$	(2,235	)

Amounts Recognized in Consolidated Balance Sheet [Table Text Block]

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



	Pension Benefits						Retiree Health Care Benefits
June 30,	2017			2016			2017		2016
Amounts recognized in the consolidated balance sheets:
Other current liabilities	$	2,814		$	741		$	220	$	220
Post-employment benefits	15,067			19,127			1,464		2,015
Net amount recognized	$	17,881		$	19,868		$	1,684	$	2,235
Amounts recognized in accumulated other comprehensive loss:
Net actuarial (loss) gain	$	(5,798	)	$	(8,234	)	$	1,167	$	1,119
Prior service cost	(35		)	(121		)	922		948
Total amounts recognized in accumulated other comprehensive loss	$	(5,833	)	$	(8,355	)	$	2,089	$	2,067

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,	2017		2016
Projected benefit obligations	$	24,411	$	26,605
Accumulated benefit obligations	24,411		26,605
Fair value of plan assets	6,530		6,737

Net periodic costs

The net periodic costs (benefits) are as follows:



	Pension Benefits									Retiree Health Care Benefits
Year Ended June 30,	2017			2016			2015			2017			2016			2015
Service cost	$	126		$	91		$	97		$	29		$	22		$	53
Interest cost	687			879			896			63			75			95
Expected return on plan assets	(460		)	(491		)	(495		)	—			—			—
Recognized net actuarial loss (gain)	872			913			559			(181		)	(210		)	(87		)
Amortization of prior service cost	86			86			86			(271		)	(271		)	(272		)
Net periodic cost (benefits)	$	1,311		$	1,478		$	1,143		$	(360	)	$	(384	)	$	(211	)

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,	2017		2016		2017		2016
Assumptions used to determine benefit obligations at year end:
Discount rate	2.8	%	2.3	%	3.3	%	3.3	%
Assumptions used to determine net periodic benefit cost:
Discount rate	2.3	%	3.0	%	2.9	%	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, 2017 and for the year then ended:



	One-Percentage Point
	Increase		Decrease
Effect on total service and interest cost components of periodic expense	$	15	$	(12	)
Effect on post-retirement benefit obligation	159		(135		)

Defined Benefit Plan Asset Information

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



	Target Allocation	Fair Value
		2017		2016
Asset Class:
Equity* securities (Level 1)	40 – 70%	$	3,880	$	3,843
Debt securities (Level 2)	20 – 50%	2,538		2,759
Other (Level 1)	0 – 20%	112		135
Total	100%	$	6,530	$	6,737

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
2018	$	3,200	$	190
2019	3,700		150
2020	3,800		130
2021	1,300		120
2022	1,300		110
2023 through 2027	4,400		480