Income Taxes - Schedule Effective Income Tax Rate from Continuing Operation (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jul. 02, 2022
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Federal income tax expense computed at statutory rate	$ 125.3	$ 114.2	$ 35.1
State income taxes, net of federal income tax benefit	29.1	25.3	13.1
Foreign taxes	5.0	2.5	0.0
Non-deductible expenses and other	10.9	6.9	9.6
Stock-based compensation	(4.5)	(1.2)	(1.9)
Other, including federal credits	(4.9)	(0.9)	(1.3)
Total income tax expense, net	$ 160.9	$ 146.8	$ 54.6