Note G - Pension and Other Postretirement Benefit Plans - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 30, 2022	Dec. 31, 2021	Dec. 30, 2022	Dec. 31, 2021
Amortization of actuarial net loss	$ (10)	$ 0	$ (19)	$ 0
Pension Plan [Member]
Service cost	102	130	203	269
Prior service cost	8	10	17	20
Interest cost	868	681	1,736	1,347
Expected return on plan assets	(1,060)	(1,255)	(2,120)	(2,514)
Amortization of transition obligation	9	9	18	18
Amortization of prior service cost	9	(4)	18	(8)
Amortization of actuarial net loss	617	562	1,235	1,124
Net periodic benefit cost	553	133	1,107	256
Service cost	102	130	203	269
Interest cost	868	681	1,736	1,347
Other Postretirement Benefits Plan [Member]
Service cost	2	4	5	8
Interest cost	53	35	106	70
Amortization of prior service cost	(69)	(69)	(137)	(138)
Net periodic benefit cost	(24)	(30)	(45)	(60)
Service cost	2	4	5	8
Interest cost	$ 53	$ 35	$ 106	$ 70