Benefit Plans (Tables)

12 Months Ended

Jun. 30, 2019

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
	2019			2018			2019			2018
Change in benefit obligation:
Benefit obligation at beginning of the year	$	21,534		$	24,411		$	1,491		$	1,684
Service cost	45			124			18			19
Interest cost	698			729			54			52
Plan participants’ contributions	—			—			69			68
Benefits paid	(3,695		)	(3,181		)	(150		)	(223		)
Actuarial loss (gain) during year	486			(549		)	24			(109		)
Benefit obligation at end of year	$	19,068		$	21,534		$	1,506		$	1,491
Change in plan assets:
Fair value of plan assets at beginning of year	$	7,702		$	6,530		$	—		$	—
Actual gain on plan assets	669			516			—			—
Employer contributions	3,798			3,837			81			155
Plan participants’ contributions	—			—			69			68
Benefits paid	(3,695		)	(3,181		)	(150		)	(223		)
Fair value of plan assets at end of year	$	8,474		$	7,702		$	—		$	—
Funded status at end of year	$	(10,594	)	$	(13,832	)	$	(1,506	)	$	(1,491	)

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,	2019			2018			2019		2018
Amounts recognized in the consolidated balance sheets:
Other current liabilities	$	3,352		$	3,298		$	155	$	220
Other liabilities	7,242			10,534			1,351		1,271
Net amount recognized	$	10,594		$	13,832		$	1,506	$	1,491
Amounts recognized in accumulated other comprehensive loss:
Net actuarial (loss) gain	$	(4,995	)	$	(4,781	)	$	977	$	1,121
Prior service cost	—			—			184		554
Total amounts recognized in accumulated other comprehensive loss	$	(4,995	)	$	(4,781	)	$	1,161	$	1,675

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,	2019		2018
Projected benefit obligations	$	19,068	$	21,534
Accumulated benefit obligations	19,068		21,534
Fair value of plan assets	8,474		7,702

Net periodic costs

The net periodic costs (benefits) are as follows:

	Pension Benefits									Retiree Health Care Benefits
Year Ended June 30,	2019			2018			2017			2019			2018			2017
Service cost	$	45		$	124		$	126		$	18		$	19		$	29
Interest cost	698			729			687			54			52			63
Expected return on plan assets	(532		)	(472		)	(460		)	—			—			—
Recognized net actuarial loss (gain)	185			424			872			(121		)	(154		)	(181		)
Amortization of prior service cost	—			27			86			(369		)	(369		)	(271		)
Recognition of prior service cost upon plan curtailment	—			8			—			—			—			—
Net periodic cost (benefits)	$	396		$	840		$	1,311		$	(418	)	$	(452	)	$	(360	)

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,	2019		2018		2019		2018
Assumptions used to determine benefit obligations at year end:
Discount rate	2.8	%	3.5	%	3.1	%	3.8	%
Assumptions used to determine net periodic benefit cost:
Discount rate	3.5	%	2.8	%	3.8	%	3.3	%
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, 2019 and for the year then ended:

	One-Percentage Point
	Increase		Decrease
Effect on total service and interest cost components of periodic expense	$	10	$	(7	)
Effect on post-retirement benefit obligation	180		(151		)

Defined Benefit Plan Asset Information

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

	Target Allocation	Fair Value
		2019		2018
Asset Class:
Equity* securities (Level 1)	40 – 70%	$	5,441	$	6,226
Debt securities (Level 2)	20 – 50%	3,033		1,337
Other (Level 1)	0 – 20%	—		139
Total	100%	$	8,474	$	7,702

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
2020	$	3,800	$	130
2021	1,300		120
2022	1,300		110
2023	1,400		110
2024	750		100
2025 through 2029	6,250		500