SEGMENT INFORMATION - Geographic Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2025	Aug. 31, 2024	Aug. 31, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 2,321,748	$ 2,203,056	$ 2,085,508
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,415,864	1,340,350	1,265,002
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	231,009	221,850	223,809
Other European Countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	349,275	341,278	316,034
All Other Countries
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 325,600	$ 299,578	$ 280,663