Note G - Pension and Other Postretirement Benefit Plans - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 29, 2017	Sep. 30, 2016
Pension Plan [Member]
Service cost	$ 262	$ 221
Interest cost	1,074	1,125
Expected return on plan assets	(1,525)	(1,442)
Amortization of transition obligation	9	9
Amortization of prior service cost	1	1
Amortization of actuarial net loss	759	899
Net periodic benefit cost	580	813
Other Postretirement Benefits Plan [Member]
Service cost	5	6
Interest cost	92	122
Amortization of actuarial net loss	3	182
Net periodic benefit cost	$ 100	$ 310