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Business Combinations - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Nov. 08, 2019
May 30, 2020
Aug. 31, 2019
Aug. 28, 2021
Aug. 29, 2020
Aug. 31, 2019
Business Acquisition [Line Items]            
Acquisition related costs     $ 652,000 $ 725,000 $ 9,761,000 $ 0
Newmar Corporation            
Business Acquisition [Line Items]            
Percent of voting interest acquired 100.00%          
Stock consideration discount 7.00%          
Purchase price adjustments   $ 3,316,000        
Weighted-average useful life 10 years 6 months          
Transaction costs         10,413,000  
Acquisition related costs       $ 0 $ 9,761,000