Consolidated Balance Sheets (Parentheticals) - $ / shares	Jul. 03, 2016	Jun. 28, 2015
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)	48,846,449	42,875,291
Treasury stock, shares (in shares)	13,589,025	11,874,475
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)	35,263,004	39,310,044
Treasury stock, shares (in shares)	5,280,000	5,280,000
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