Leases - Summary of Supplemental Cash Flow Information related to Leases (Detail) - USD ($) $ in Millions	6 Months Ended
	Dec. 28, 2024	Dec. 30, 2023
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 77.7	$ 71.9
Operating cash flows from finance leases	26.7	14.5
Financing cash flows from finance leases	84.8	56.5
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	129.7	190.2
Finance leases	$ 299.8	$ 151.6