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Note L - Restructuring of Operations (Details Textual) $ in Thousands	3 Months Ended		6 Months Ended		55 Months Ended
	Dec. 27, 2019 USD ($)	Dec. 28, 2018 USD ($)	Dec. 27, 2019 USD ($)	Dec. 28, 2018 USD ($)	Dec. 27, 2019 USD ($)
Restructuring Charges, Total	$ 4,248	$ 434	$ 4,369	$ 607	$ 11,636
Restructuring and Related Cost, Number of Positions Eliminated					203
Payments for Restructuring			2,710
Employee Severance [Member]
Restructuring Charges, Total	1,063	$ 434	1,184	$ 607
Contract Termination [Member]
Restructuring Charges, Total			$ 3,185
Contract Termination [Member] \| Manufacturing Segment [Member]
Restructuring Charges, Total	3,185
Restructuring Reserve, Settled without Cash	2,185
Payments for Restructuring	$ 1,000