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

12 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Net Funded Status [Table Text Block]

							Other
	Pension						Postretirement
	Benefits						Benefits
	2020			2019			2020			2019
Change in benefit obligation:
Benefit obligation, beginning of year	$	107,322		$	105,012		$	7,451		$	8,077
Service cost		653			795			17			19
Interest cost		3,305			4,020			219			305
Actuarial loss		3,161			6,718			211			18
Contributions by plan participants		93			103			352			389
Benefits paid		(9,014	)		(9,326	)		(1,191	)		(1,357	)
Benefit obligation, end of year	$	105,520		$	107,322		$	7,059		$	7,451
Change in plan assets:
Fair value of assets, beginning of year	$	87,291		$	90,258		$	-		$	-
Actual return on plan assets		3,541			4,125			-			-
Employer contribution		1,373			2,131			839			968
Contributions by plan participants		93			103			352			389
Benefits paid		(9,014	)		(9,326	)		(1,191	)		(1,357	)
Fair value of assets, end of year	$	83,284		$	87,291		$	-		$	-
Funded status	$	(22,236	)	$	(20,031	)	$	(7,059	)	$	(7,451	)
Amounts recognized in the balance sheet consist of:
Other assets - noncurrent	$	-		$	3		$	-		$	-
Accrued liabilities - current		(276	)		(645	)		(1,081	)		(962	)
Accrued retirement benefits - noncurrent		(21,960	)		(19,389	)		(5,978	)		(6,489	)
Net amount recognized	$	(22,236	)	$	(20,031	)	$	(7,059	)	$	(7,451	)
Amounts recognized in accumulated other comprehensive loss consist of (net of tax):
Net transition obligation	$	158		$	178		$	-		$	-
Prior service cost		104			144			(697	)		(908	)
Actuarial net loss		43,548			42,185			463			302
Net amount recognized	$	43,810		$	42,507		$	(234	)	$	(606	)

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	$	35	$	-
Prior service cost		45		(275	)
Actuarial net loss		3,246		-
Net amount to be recognized	$	3,326		(275	)

Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Table Text Block]

	June 30
	2020		2019
Projected and accumulated benefit obligation	$	105,520	$	102,879
Fair value of plan assets		83,284		82,845

Schedule of Net Benefit Costs [Table Text Block]

	Pension Benefits
	2020			2019
Service cost	$	648		$	792
Interest cost		3,304			4,019
Expected return on plan assets		(4,894	)		(5,238	)
Amortization of transition obligation		35			34
Amortization of prior service cost		45			64
Amortization of actuarial net loss		2,982			2,710
Net periodic benefit cost	$	2,120			2,381

	Other Postretirement Benefits
	2020			2019
Service cost	$	17		$	18
Interest cost		219			304
Amortization of prior service cost		(274	)		(274	)
Net periodic benefit cost	$	(38	)	$	48

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

				Other
				Postretirement
	Pension			Benefits
Net loss	$	4,770		$	211
Amortization of transition asset		(35	)		-
Amortization of prior service (cost) benefit		(45	)		275
Amortization of net (loss) gain		(2,978	)		-
Total recognized in other comprehensive income		1,712			486
Net periodic benefit cost		2,120			(38	)
Total recognized in net periodic benefit cost and other comprehensive income	$	3,832		$	448

				Other
				Postretirement
	Pension			Benefits
Net loss	$	8,098		$	18
Prior service cost		(211	)		-
Amortization of transition asset		(34	)		-
Amortization of prior service (cost) benefit		(64	)		275
Amortization of net (loss) gain		(2,711	)		-
Total recognized in other comprehensive income		5,078			293
Net periodic benefit cost		2,381			48
Total recognized in net periodic benefit cost and other comprehensive income	$	7,459		$	341

Defined Benefit Plan, Assumptions [Table Text Block]

							Other
	Pension Benefits						Postretirement Benefits
Weighted average assumptions used to determine benefit obligations at June 30
	2020			2019			2020			2019
Discount rate		2.49	%		3.22	%		2.37	%		3.15	%
Expected return on plan assets		5.89	%		6.04	%

							Other
	Pension Benefits						Postretirement Benefits
Weighted average assumptions used to determine net periodic benefit costs for years ended June 30
	2020			2019			2020			2019
Discount rate		3.22	%		4.01	%		3.15	%		4.09	%
Expected return on plan assets		6.04	%		6.74	%

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

	Target			June 30
Asset Category	Allocation			2020			2019
Equity securities		51	%		47	%		49	%
Debt securities		40	%		44	%		42	%
Real estate		9	%		9	%		9	%
		100	%		100	%		100	%

Schedule of Allocation of Plan Assets [Table Text Block]

	Total		Level I		Level II		Level III
Cash and cash equivalents	$	920	$	920	$	-	$	-
Equity securities:
Company common stock (a)		544		544		-		-
Common stock (a)		14,551		14,551		-		-
Mutual funds (b)		7,916		7,916		-		-
Annuity contracts (c)		6,095		-		-		6,095
Total	$	30,026	$	23,931	$	-	$	6,095
Investments Measured at Net Asset Value (d)		53,258
Total	$	83,284

	Total		Level I		Level II		Level III
Cash and cash equivalents	$	971	$	971	$	-	$	-
Equity securities:
Company common stock (a)		1,483		1,483		-		-
Common stock (a)		16,713		16,713		-		-
Mutual funds (b)		7,963		7,963		-		-
Annuity contracts (c)		6,171		-		-		6,171
Total	$	33,301	$	27,130	$	-	$	6,171
Investments Measured at Net Asset Value (d)		53,990
Total	$	87,291

	2020		2019
Fixed income funds	$	33,032	$	33,568
International equity securities		2,840		3,168
Real estate		7,186		7,069
Hedged equity mutual funds		10,200		10,185
Total	$	53,258	$	53,990

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

	2020			2019
Beginning balance	$	6,171		$	6,113
Actual return on plan assets:
Relating to assets still held at reporting date		75			216
Purchases, sales and settlements, net		(151	)		(158	)
Ending balance	$	6,095		$	6,171

Schedule of Expected Benefit Payments [Table Text Block]

			Other
	Pension		Postretirement
	Benefits		Benefits
2021	$	8,944	$	1,094
2022		8,230		843
2023		7,936		769
2024		7,547		693
2025		7,197		608
Years 2026 - 2030		32,605		2,273