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

12 Months Ended

Jun. 30, 2021

Notes Tables

Schedule of Net Funded Status [Table Text Block]

										Other
		Pension								Postretirement
		Benefits								Benefits
		2021				2020				2021				2020
Change in benefit obligation:
Benefit obligation, beginning of year		$	105,520			$	107,322			$	7,059			$	7,451
Service cost			608				653				16				17
Interest cost			2,516				3,305				154				219
Prior service cost			65				-				-				-
Actuarial (gain) loss			(1,577	)			3,161				(395	)			211
Contributions by plan participants			114				93				269				352
Benefits paid			(8,546	)			(9,014	)			(1,001	)			(1,191	)
Benefit obligation, end of year		$	98,700			$	105,520			$	6,102			$	7,059
Change in plan assets:
Fair value of assets, beginning of year		$	83,284			$	87,291			$	-			$	-
Actual return on plan assets			15,325				3,541				-				-
Employer contribution			2,253				1,373				732				839
Contributions by plan participants			114				93				269				352
Benefits paid			(8,546	)			(9,014	)			(1,001	)			(1,191	)
Fair value of assets, end of year		$	92,430			$	83,284			$	-			$	-
Funded status		$	(6,270	)		$	(22,236	)		$	(6,102	)		$	(7,059	)
Amounts recognized in the balance sheet consist of:
Other assets - noncurrent		$	60			$	-			$	-			$	-
Accrued liabilities - current			(423	)			(276	)			(833	)			(1,081	)
Accrued retirement benefits - noncurrent			(5,907	)			(21,960	)			(5,269	)			(5,978	)
Net amount recognized		$	(6,270	)		$	(22,236	)		$	(6,102	)		$	(7,059	)
Amounts recognized in accumulated other comprehensive loss consist of (net of tax):
Net transition obligation		$	133			$	158			$	-			$	-
Prior service cost			94				104				(487	)			(697	)
Actuarial net loss			31,563				43,548				160				463
Net amount recognized		$	31,790			$	43,810			$	(327	)		$	(234	)

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		$	37			$	-
Prior service cost			44				(275	)
Actuarial net loss			2,254				-
Net amount to be recognized		$	2,335			$	(275	)

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

		June 30
		2021				2020
Projected and accumulated benefit obligation		$	53,780			$	105,520
Fair value of plan assets			47,450				83,284

Schedule of Net Benefit Costs [Table Text Block]

		Pension Benefits
		2021				2020
Service cost		$	615			$	648
Interest cost			2,516				3,304
Prior service cost			65				-
Expected return on plan assets			(4,552	)			(4,894	)
Amortization of transition obligation			40				35
Amortization of prior service cost			47				45
Amortization of actuarial net loss			3,246				2,982
Net periodic benefit cost		$	1,977			$	2,120

		Other Postretirement Benefits
		2021				2020
Service cost		$	16			$	17
Interest cost			154				219
Amortization of prior service cost			(274	)			(274	)
Net periodic benefit cost		$	(104	)		$	(38	)

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

						Other
						Postretirement
		Pension				Benefits
Net loss		$	(12,464	)		$	(397	)
Amortization of transition asset			(40	)			-
Amortization of prior service (cost) benefit			(43	)			275
Amortization of net loss			(3,246	)			-
Total recognized in other comprehensive income			(15,793	)			(122	)
Net periodic benefit cost (benefit)			1,977				(104	)
Total recognized in net periodic benefit cost and other comprehensive income		$	(13,816	)		$	(226	)

						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			(2,978	)			-
Total recognized in other comprehensive income			1,712				486
Net periodic benefit cost (benefit)			2,120				(38	)
Total recognized in net periodic benefit cost and other comprehensive income		$	3,832			$	448

Defined Benefit Plan, Assumptions [Table Text Block]

										Other
		Pension Benefits								Postretirement Benefits
Weighted average assumptions used to determine benefit obligations at June 30
		2021				2020				2021				2020
Discount rate			2.63	%			2.49	%			2.47	%			2.37	%
Expected return on plan assets			5.69	%			5.89	%

										Other
		Pension Benefits								Postretirement Benefits
Weighted average assumptions used to determine net periodic benefit costs for years ended June 30
		2021				2020				2021				2020
Discount rate			2.49	%			3.22	%			2.37	%			3.15	%
Expected return on plan assets			5.89	%			6.04	%

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

		Target				June 30
Asset Category		Allocation				2021				2020
Equity securities			51	%			53	%			47	%
Debt securities			40	%			38	%			44	%
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		$	1,043			$	1,043			$	-			$	-
Equity securities:
Company common stock (a)			1,398				1,398				-				-
Common stock (a)			18,201				18,201				-				-
Mutual funds (b)			9,366				9,366				-				-
Annuity contracts (c)			6,646				-				-				6,646
Total		$	36,654			$	30,008			$	-			$	6,646
Investments Measured at Net Asset Value (d)			55,776
Total		$	92,430

		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

		2021				2020
Fixed income funds		$	31,627			$	33,032
International equity securities			4,282				2,840
Real estate			7,747				7,186
Hedged equity mutual funds			12,120				10,200
Total		$	55,776			$	53,258

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

		2021				2020
Beginning balance		$	6,095			$	6,171
Actual return on plan assets:
Relating to assets still held at reporting date			600				75
Purchases, sales and settlements, net			(49	)			(151	)
Ending balance		$	6,646			$	6,095

Schedule of Expected Benefit Payments [Table Text Block]

						Other
		Pension				Postretirement
		Benefits				Benefits
2022		$	8,535			$	843
2023			7,794				769
2024			7,433				693
2025			7,095				608
2026			6,865				544
Years 2027 - 2031			31,435				2,042

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