Note O - Earnings Per Share (Details Textual) - shares	3 Months Ended		9 Months Ended
	Mar. 29, 2019	Mar. 30, 2018	Mar. 29, 2019	Mar. 30, 2018
Performance Shares [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	129,100	179,100	129,100	179,100
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	184,300	237,700	184,300	237,700
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	33,100		16,200
Share-based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	3,200	5,400	3,200	5,400