FAIR VALUE MEASURES - Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	Aug. 31, 2023	Aug. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative instruments	$ 4,383	$ 12,412
Total assets measured at fair value	173,718	224,961
Derivative instruments	608	8,307
Contingent liability	8,008
Total liabilities measured at fair value	8,616	8,307
Series of Individually Immaterial Business Acquisitions
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent liability	7,900
Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mutual funds	32,210	33,219
Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	137,125	179,330
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative instruments	0	0
Total assets measured at fair value	137,125	179,330
Derivative instruments	0	0
Contingent liability	0
Total liabilities measured at fair value	0	0
Level 1 | Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mutual funds	0	0
Level 1 | Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	137,125	179,330
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative instruments	4,383	12,412
Total assets measured at fair value	36,593	45,631
Derivative instruments	608	8,307
Contingent liability	0
Total liabilities measured at fair value	608	8,307
Level 2 | Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mutual funds	32,210	33,219
Level 2 | Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	0	0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative instruments	0	0
Total assets measured at fair value	0	0
Derivative instruments	0	0
Contingent liability	8,008
Total liabilities measured at fair value	8,008	0
Level 3 | Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mutual funds	0	0
Level 3 | Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	$ 0	$ 0