Consolidated Balance Sheets (Parentheticals) - $ / shares	Jul. 03, 2022	Jun. 27, 2021
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	10,000,000	10,000,000
Preferred stock, issued (in shares)	0	0
Common Class A [Member]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	200,000,000	200,000,000
Common stock, issued (in shares)	57,706,389	55,675,661
Treasury stock, shares (in shares)	20,418,396	18,825,841
Common Class B [Member]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	200,000,000	200,000,000
Common stock, issued (in shares)	32,529,614	33,433,614
Treasury stock, shares (in shares)	5,280,000	5,280,000