ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (AOCI by Components) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2021
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance	$ (114,451)	$ (84,820)	$ (103,764)
Other comprehensive income (loss) before reclassifications(1)	118,262	(7,458)	21,321
Reclassification for gain(2)	(7,589)	(22,173)	(2,377)
Total other comprehensive income (loss), net of income taxes	110,673	(29,631)	18,944
Balance	(3,778)	(114,451)	(84,820)
Other comprehensive income (loss), net unrealized holding gain, tax	1,100	33,000	6,700
Other comprehensive (income) loss, defined benefit plan, tax	(3,900)	(2,600)	900
Other comprehensive income (loss), derivative, after reclassification, tax	2,200	5,300	400
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance	(245,897)	(105,680)	(87,933)
Other comprehensive income (loss) before reclassifications(1)	119,852	(140,217)	(17,747)
Reclassification for gain(2)	0	0	0
Total other comprehensive income (loss), net of income taxes	119,852	(140,217)	(17,747)
Balance	(126,045)	(245,897)	(105,680)
Derivatives
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance	138,242	21,781	(11,334)
Other comprehensive income (loss) before reclassifications(1)	6,395	138,634	35,492
Reclassification for gain(2)	(9,380)	(22,173)	(2,377)
Total other comprehensive income (loss), net of income taxes	(2,985)	116,461	33,115
Balance	135,257	138,242	21,781
Defined Benefit Pension Plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance	(6,796)	(921)	(4,497)
Other comprehensive income (loss) before reclassifications(1)	(7,985)	(5,875)	3,576
Reclassification for gain(2)	1,791	0	0
Total other comprehensive income (loss), net of income taxes	(6,194)	(5,875)	3,576
Balance	$ (12,990)	$ (6,796)	$ (921)