EMPLOYEES' RETIREMENT PLANS (Net Periodic Benefit Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense
U.K. Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 2,261	$ 635
Expected return on plan assets	(2,589)	(1,067)
Total net periodic benefit gain	(328)	(432)
Net actuarial loss arising during measurement period	10,811	5,666
U.S. Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Expected administrative expenses	0	50	$ 290
Interest cost	0	709	724
Expected return on plan assets	0	(1,579)	(1,493)
Settlements, curtailments and other	4,245	0	0
Total net periodic benefit gain	4,245	(820)	(479)
Net actuarial loss arising during measurement period	$ (2,278)	$ 3,388	$ (4,344)