Commitments and Contingencies - Changes to Environmental Liabilities (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 01, 2025	Feb. 24, 2024
Accrual for Environmental Loss Contingencies [Roll Forward]
Beginning balance	$ 31,255
Costs incurred for which reserves have been provided	(1,215)
Insurance proceeds	89
Interest accretion	640	$ 632
Changes in discount rates	(624)
Revisions in estimates	733
Ending balance	$ 30,878
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]	Accounts Payable and Accrued Liabilities, Noncurrent