Consolidated Balance Sheets (Parentheticals) - $ / shares	Jul. 01, 2018	Jul. 02, 2017
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)	52,071,293	51,227,779
Treasury stock, shares (in shares)	15,978,790	14,709,731
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)	33,822,823	33,901,603
Treasury stock, shares (in shares)	5,280,000	5,280,000