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Commitments and Contingencies - Additional Information (Detail)
$ in Millions
12 Months Ended
Aug. 26, 2023
USD ($)
Loss Contingencies [Line Items]  
Commitment for construction $ 198.9
Surety bonds $ 43.1
The period of time before expiration of standby letters of credit and surety bonds less than one year
Additional capital contributions to tax credit funds $ 9.3
Standby Letters of Credit  
Loss Contingencies [Line Items]  
Borrowings, outstanding $ 134.0