SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS AND RESERVES (Details) - USD ($) $ in Thousands		12 Months Ended
		Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2020
Allowance for doubtful accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period		$ 5,553	$ 9,597	$ 8,403
Additions, Charged to Cost and Expense		300	(1,429)	1,079
Additions, Charged to Other Accounts	[1]	193	138	2,220
Deductions, Charged to Cost and Expense		0	0	0
Deductions, Charged to Other Accounts	[2]	(1,056)	(2,753)	(2,105)
Balance at End of Period		4,990	5,553	9,597
Deferred tax valuation allowance
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period		278,099	281,849	283,560
Additions, Charged to Cost and Expense		3,328	20,058	4,733
Additions, Charged to Other Accounts		0	0	0
Deductions, Charged to Cost and Expense		(12,880)	(23,808)	(6,444)
Deductions, Charged to Other Accounts		0	0	0
Balance at End of Period		$ 268,547	278,099	281,849
Before Reclassification | Allowance for doubtful accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period			$ 9,597
Balance at End of Period				$ 9,597

[1] Recoveries and translation adjustments.

[2] accounts charged to the allowance.