v3.26.3
Fair Value Measurements - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Intangible asset impairment charge $ 2.9  
Intangible Asset, Excluding Goodwill, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration] Special charges  
Operating lease, impairment loss $ 3.1  
Lines of Credit | Credit Agreement    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Long-term debt 200.0 $ 400.0
Estimate of Fair Value Measurement | Senior Unsecured Notes    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Carrying and estimated fair value of financial instruments $ 444.1 $ 446.7