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Accumulated Other Comprehensive Income (Loss) - Changes in AOCI by Component (Details) - USD ($)
$ in Thousands
3 Months Ended
Nov. 27, 2021
Nov. 28, 2020
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Beginning balance $ 1,056,943 $ 827,466
Ending balance 1,159,258 871,558
Defined Benefit Pension Items    
Accumulated Other Comprehensive Income (Loss) [Roll Forward]    
Beginning balance (491) (526)
Amounts reclassified from AOCI 9 9
Net current-period OCI 9 9
Ending balance $ (482) $ (517)