Note M - Earnings Per Share (Details Textual) - shares	3 Months Ended	9 Months Ended
	Mar. 26, 2021	Mar. 26, 2021	Mar. 27, 2020
Performance Shares [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		433,100	214,000.0
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		377,500	231,400
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	9,100	34,800	38,000.0