Note L - Restructuring of Operations - Roll-forward of Restructuring Activity (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		31 Months Ended
	Dec. 29, 2017	Dec. 30, 2016	Dec. 29, 2017	Dec. 30, 2016	Dec. 29, 2017
Accrued restructuring liability			$ 92
Additions during the year	$ 831	$ 816	2,049	$ 1,074	$ 7,924
Payments and adjustments			(2,127)
Accrued restructuring liability	$ 14		$ 14		$ 14