Note O - Earnings Per Share (Details Textual) - shares	3 Months Ended		6 Months Ended
	Dec. 28, 2018	Dec. 29, 2017	Dec. 28, 2018	Dec. 29, 2017
Performance Shares [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	134,400	224,900	134,400	224,900
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	185,300	272,400	185,300	272,400
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	33,600		16,600
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	3,400	9,600	3,400	9,600