Note M - Pension and Other Postretirement Benefit Plans (Tables)

12 Months Ended

Jun. 30, 2018

Notes Tables

Schedule of Net Funded Status [Table Text Block]

							Other
	Pension						Postretirement
	Benefits						Benefits
	2018			2017			2018			2017
Change in benefit obligation:
Benefit obligation, beginning of year	$	118,170		$	129,056		$	11,574		$	15,933
Service cost		861			1,009			20			20
Interest cost		3,979			4,213			325			420
Actuarial (gain) loss		(8,690	)		(6,980	)		(2,608	)		(3,380	)
Contributions by plan participants		105			139			440			472
Benefits paid		(9,413	)		(9,267	)		(1,674	)		(1,891	)
Benefit obligation, end of year	$	105,012		$	118,170		$	8,077		$	11,574
Change in plan assets:
Fair value of assets, beginning of year	$	94,372		$	94,164		$	-		$	-
Actual return on plan assets		2,894			7,967			-			-
Employer contribution		2,300			1,369			1,234			1,419
Contributions by plan participants		105			139			440			472
Benefits paid		(9,413	)		(9,267	)		(1,674	)		(1,891	)
Fair value of assets, end of year	$	90,258		$	94,372		$	-		$	-
Funded status	$	(14,754	)	$	(23,798	)	$	(8,077	)	$	(11,574	)
Amounts recognized in the balance sheet consist of:
Other assets - noncurrent	$	157		$	694		$	-		$	-
Accrued liabilities - current		(679	)		(706	)		(1,241	)		(1,654	)
Accrued retirement benefits - noncurrent		(14,232	)		(23,786	)		(6,836	)		(9,920	)
Net amount recognized	$	(14,754	)	$	(23,798	)	$	(8,077	)	$	(11,574	)
Amounts recognized in accumulated other comprehensive loss consist of (net of tax):
Net transition obligation	$	564		$	790		$	-		$	-
Actuarial net loss		31,146			37,140			(833	)		871
Net amount recognized	$	31,710		$	37,930		$	(833	)	$	871

Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year [Table Text Block]

			Other
	Pension		Postretirement
	Benefits		Benefits
Net transition obligation	$	101	$	(275	)
Actuarial net loss		2,711		-
Net amount to be recognized	$	2,812	$	(275	)

Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block]

	June 30
	2018		2017
Projected and accumulated benefit obligation	$	100,699	$	117,250
Fair value of plan assets		85,788		92,758

Schedule of Net Benefit Costs [Table Text Block]

	Pension Benefits
	2018			2017			2016
Service cost	$	868		$	1,009		$	770
Interest cost		3,981			4,213			4,968
Expected return on plan assets		(6,041	)		(5,902	)		(6,874	)
Amortization of transition obligation		36			35			33
Amortization of prior service cost		67			66			59
Amortization of actuarial net loss		3,021			3,591			3,627
Net periodic benefit cost	$	1,932		$	3,012		$	2,583

	Other Postretirement Benefits
	2018			2017		2016
Service cost	$	20		$	21	$	28
Interest cost		325			420		604
Amortization of prior service cost		(206	)		-		-
Amortization of actuarial net loss		32			230		728
Net periodic benefit cost	$	171		$	671	$	1,360

Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

				Other
				Postretirement
	Pension			Benefits
Net gain	$	(5,643	)	$	(940	)
Prior service cost		-			(1,668	)
Amortization of transition asset		(34	)		-
Amortization of prior service (cost) benefit		(67	)		206
Amortization of net (loss) gain		(2,952	)		(32	)
Total recognized in other comprehensive income		(8,696	)		(2,434	)
Net periodic benefit cost		1,932			171
Total recognized in net periodic benefit cost and other comprehensive income	$	(6,764	)	$	(2,263	)

				Other
				Postretirement
	Pension			Benefits
Net gain	$	(9,057	)	$	(3,380	)
Prior service cost		(10	)		-
Amortization of transition asset		(35	)		-
Amortization of prior service cost		(66	)		-
Amortization of net (loss) gain		(3,613	)		(230	)
Total recognized in other comprehensive income		(12,781	)		(3,610	)
Net periodic benefit cost		3,012			671
Total recognized in net periodic benefit cost and other comprehensive income	$	(9,769	)	$	(2,939	)

				Other
				Postretirement
	Pension			Benefits
Net loss	$	15,514		$	496
Prior service cost		58			-
Amortization of transition asset		(33	)		-
Amortization of prior service cost		(59	)		-
Amortization of net (loss) gain		(3,627	)		(728	)
Total recognized in other comprehensive income		11,853			(232	)
Net periodic benefit cost		2,583			1,360
Total recognized in net periodic benefit cost and other comprehensive income	$	14,436		$	1,128

Schedule of Assumptions Used [Table Text Block]

	Pension Benefits						Other Postretirement Benefits
Weighted average assumptions used to determine benefit obligations at June 30
	2018			2017			2018			2017
Discount rate		4.01	%		3.51	%		4.09	%		3.41	%
Expected return on plan assets		6.74	%		6.68	%

										Other
	Pension Benefits									Postretirement Benefits
Weighted average assumptions used to determine net periodic benefit costs for years ended June 30
	2018			2017			2016			2018			2017			2016
Discount rate		3.51	%		3.35	%		4.05	%		3.41	%		3.27	%		3.93	%
Expected return on plan assets		6.68	%		6.57	%		7.11	%

Schedule of Plan Weighted Average Assets Allocations [Table Text Block]

	Target			June 30
Asset Category	Allocation			2018			2017
Equity securities		51	%		51	%		65	%
Debt securities		40	%		39	%		25	%
Real estate		9	%		10	%		10	%
		100	%		100	%		100	%

Schedule of Allocation of Plan Assets [Table Text Block]

	Total		Level I		Level II		Level III
Cash and cash equivalents	$	1,156	$	1,156	$	-	$	-
Equity securities:
Company common stock (a)		2,438		2,438		-		-
Common stock (a)		17,373		17,373		-		-
Mutual funds (b)		8,554		8,554		-		-
Annuity contracts (c)		6,113		-		-		6,113
Total	$	35,634	$	29,521	$	-	$	6,113
Investments Measured at Net Asset Value (d)		54,624
Total	$	90,258

	Total		Level I		Level II		Level III
Cash and cash equivalents	$	1,203	$	1,203	$	-	$	-
Equity securities:
Company common stock (a)		1,585		1,585		-		-
Common stock (a)		23,263		23,263		-		-
Mutual funds (b)		11,259		11,259		-		-
Annuity contracts (c)		7,779		-		-		7,779
Total	$	45,089	$	37,310	$	-	$	7,779
Investments Measured at Net Asset Value (d)		49,283
Total	$	94,372

	2018		2017
Fixed income funds	$	31,852	$	20,819
International equity securities		3,294		4,760
Real estate		8,218		8,566
Hedged equity mutual funds		11,260		15,138
Total	$	54,624	$	49,283

Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block]

	2018			2017
Beginning balance	$	7,779		$	9,031
Actual return on plan assets:
Relating to assets still held at reporting date		(58	)		659
Purchases, sales and settlements, net		(1,608	)		(1,911	)
Ending balance	$	6,113		$	7,779

Schedule of Expected Benefit Payments [Table Text Block]

			Other
	Pension		Postretirement
	Benefits		Benefits
2019	$	9,684	$	1,267
2020		8,886		989
2021		8,211		917
2022		8,027		835
2023		7,648		762
Years 2024 - 2028		33,917		2,837