Note M - Earnings Per Share (Details Textual) - shares	3 Months Ended		9 Months Ended
	Mar. 30, 2018	Mar. 31, 2017	Mar. 30, 2018	Mar. 31, 2017
Performance Shares [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	179,100	181,800	179,100	181,800
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	237,700	269,600	237,700	269,600
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	5,400	13,200	5,400	13,200