Note M - Earnings Per Share (Details Textual) - shares	3 Months Ended
	Sep. 24, 2021	Sep. 25, 2020
Performance Shares [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	439,100	433,100
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	362,000.0	332,800
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	37,000.0	38,000.0