XML 97 R81.htm IDEA: XBRL DOCUMENT v3.20.2
Commitments and Contingencies - Additional Information (Detail)
$ in Millions
12 Months Ended
Aug. 29, 2020
USD ($)
Loss Contingencies [Line Items]  
Commitment for construction $ 50.9
Surety bonds $ 56.7
The period of time before expiration of standby letters of credit and surety bonds less than one year
Standby Letters of Credit  
Loss Contingencies [Line Items]  
Borrowings, outstanding $ 246.9