v3.20.4
BASIS OF PRESENTATION- Debt and Equity Securities (Details) - USD ($)
$ in Thousands
Feb. 28, 2021
Aug. 31, 2020
Equity Securities without Readily Determinable Fair Value [Line Items]    
Equity Method Investments $ 181,238 $ 240,446
Equity Securities Without Readily Determinable Fair Values 124,924 84,068
Investments $ 306,162 $ 324,514
Equity Method Investment, Ownership Percentage 16.00% 22.00%
Equity Method Investments, Fair Value Disclosure $ 847,172 $ 956,308
acn_DuckCreekEquityMethodInvestment [Member]    
Equity Securities without Readily Determinable Fair Value [Line Items]    
Equity Method Investments $ 171,956 $ 230,219