EMPLOYEES' RETIREMENT PLANS (Benefit Obligation and Fair Value of Plan Assets) (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Oct. 31, 2022	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2021
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Employer contributions	$ 4,100
Actuarial (gain) loss		$ (4,200)
U.K. Pension Plan
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year		52,042	$ 0
Acquisition		0	68,966
Interest cost		2,261	635
Amortization of net actuarial gain		(5,354)	(11,107)
Benefits paid		(2,529)	(942)
Foreign currency translation		(4,480)	5,510
Benefit obligation at end of year		50,900	52,042	$ 0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year		60,454	0
Acquisition		0	83,586
Actual return on plan assets		(13,533)	(15,718)
Employer contributions		297	73
Benefits paid		(2,529)	(942)
Foreign currency translation		(4,833)	6,545
Fair value of plan assets at end of year		49,522	60,454	0
Funded status at end of year (net asset (liability) recognized in the consolidated balance sheets as of August 31,)		(1,378)	8,412
Net actuarial loss		16,477	5,666
U.S. Pension Plan
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year		26,568	33,687
Interest cost		0	709	724
Amortization of net actuarial gain		(47)	(6,010)
Benefits paid		(466)	(1,818)
Settlement		(26,055)	0
Benefit obligation at end of year		0	26,568	33,687
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year		24,440	34,126
Actuarial (gain) loss		(47)	0
Actual return on plan assets		(1,966)	(7,407)
Administrative expenses		0	(461)
Employer contributions		4,094	0
Benefits paid		(466)	(1,818)
Actuarial (gain) loss		(26,055)	0
Fair value of plan assets at end of year		0	24,440	$ 34,126
Funded status at end of year (net asset (liability) recognized in the consolidated balance sheets as of August 31,)		0	(2,128)
Net actuarial loss		$ 0	$ 2,278