v3.26.3
Income Taxes - Additional information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Jul. 04, 2025
Aug. 31, 2026
Aug. 31, 2025
Aug. 31, 2024
Operating Loss Carryforwards [Line Items]        
Percentage of provisions for bonus depreciation on assets 100.00%      
Deferred tax assets, valuation allowance   $ 23.0 $ 13.9  
Net increase (decrease) in the valuation allowance   9.1    
Accrued interest related to unrecognized tax benefits   0.7 1.2  
Increase (reduction) in interest (benefit) expense relating to reserves for uncertain tax provisions   (0.5) $ 0.4 $ 0.2
Federal        
Operating Loss Carryforwards [Line Items]        
Credit carryforwards   $ 27.0    
Credit carryforwards expiration year   2028    
Net operating loss carryforwards that do not expire   $ 77.1    
State        
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards   $ 100.9    
Credit carryforwards expiration year   2031    
Net operating loss carryforwards that do not expire   $ 47.6    
Foreign        
Operating Loss Carryforwards [Line Items]        
Operating loss carryforwards   $ 24.2    
Operating loss carryforwards expiration year   2029    
Net operating loss carryforwards that do not expire   $ 46.8