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Note L - Restructuring of Operations and Other Operating Income- Roll-forward of Restructuring Activity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		58 Months Ended
	Mar. 27, 2020	Mar. 29, 2019	Mar. 27, 2020	Mar. 29, 2019	Mar. 27, 2020	Jun. 30, 2019
Accrued restructuring liability	$ 371		$ 371		$ 371
Additions	532	$ 131	4,902	$ 738	$ 12,169
Payments, adjustments and write-offs during the year			(4,531)
Employee Severance [Member]
Additions	$ 532	$ 131	1,717	$ 738
Contract Termination [Member]
Additions			$ 3,185