Income Taxes - Schedule of Income Tax Expense (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jul. 02, 2022
Current income tax expense:
Federal	$ 109.2	$ 95.3	$ 38.2
State	36.2	28.8	10.6
Foreign	4.8	2.7	1.0
Total current income tax expense	150.2	126.8	49.8
Deferred income tax expense (benefit):
Federal	10.3	17.8	1.0
State	0.2	2.3	4.4
Foreign	0.2	(0.1)	(0.6)
Total deferred income tax expense	10.7	20.0	4.8
Total income tax expense, net	$ 160.9	$ 146.8	$ 54.6