Leases - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Aug. 26, 2023	Aug. 27, 2022
Accumulated amortization related to finance lease assets	$ 132.5	$ 97.2
Cash paid for amounts included in the measurement of lease liabilities - operating cash flows from operating leases	335.2	$ 316.0
Land and Building
Additional leases not yet commenced, undiscounted future payments	$ 56.9
Minimum [Member]
Operating lease commencement date	2024
Maximum [Member]
Operating lease commencement date	2025