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EMPLOYEES' RETIREMENT PLANS (Fair Value of Plan Assets) (Details) - U.K. Pension Plan - USD ($)
$ in Thousands
Aug. 31, 2026
Aug. 31, 2025
Aug. 31, 2024
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 45,018 $ 46,730 $ 51,415
Fair value of U.K. Pension Plan assets 45,018 46,730  
Fixed income securities      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 44,168 46,201  
Fixed income securities | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Fixed income securities | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 44,168 46,201  
Fixed income securities | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Cash and other      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 850 529  
Cash and other | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 850 529  
Cash and other | Significant Other Observable Inputs (Level 2)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Cash and other | Significant Unobservable Inputs (Level 3)      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 0 $ 0