Note 2 - Net Income Per Common Share - Basic and Diluted Net Income Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended			6 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 30, 2018	Dec. 29, 2019	Dec. 30, 2018
Net income	$ 74,152	$ 68,578	$ 68,578	$ 58,881	$ 51,312
Basic (in shares)	64,687	64,209		64,595	64,415
Effect of dilutive securities (in shares)	1,714	1,927		1,891	2,068
Adjusted weighted-average shares and assumed conversions (in shares)	66,401	66,136		66,486	66,483
Net income per common share
Basic net income per common share (in dollars per share)	$ 1.15	$ 1.07		$ 0.91	$ 0.80
Diluted net income per common share (in dollars per share)	$ 1.12	$ 1.04		$ 0.89	$ 0.77
Share-based Payment Arrangement, Option [Member]
Effect of dilutive securities (in shares)	997	1,415		1,046	1,476
Restricted Stock [Member]
Effect of dilutive securities (in shares)	717	512		845	592