Note A - Basis of Presentation (Details Textual) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Sep. 28, 2018	Dec. 28, 2018
Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect
Retained Earnings [Member]
Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect	6,903	$ 6,903
AOCI Attributable to Parent [Member]
Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect	$ (6,903)	$ (6,903)