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EMPLOYEES' RETIREMENT PLANS (Benefit Obligation and Fair Value of Plan Assets) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Aug. 31, 2022 | Aug. 31, 2021 | Aug. 31, 2020
U.K. Pension Plan |  |  |
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] |  |  |
Benefit obligation at beginning of year | $ 0 |  |
Acquisition | 68,966 |  |
Service cost | 0 |  |
Interest cost | 635 |  |
Amortization of net actuarial gain | (11,107) |  |
Benefits paid | (942) |  |
Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) | 5,510 |  |
Benefit obligation at end of year | 52,042 | $ 0 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at beginning of year | 0 |  |
Acquisition | 83,586 |  |
Actual return on plan assets | (15,718) |  |
Administrative expenses | 0 |  |
Employer contributions | 73 |  |
Benefits paid | (942) |  |
Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) | 6,545 |  |
Fair value of plan assets at end of year | 60,454 | 0 |
Funded status at end of year (net asset (liability) recognized in the consolidated balance sheets as of August 31,) | 8,412 |  |
Net actuarial (gain) loss | 5,666 |  |
U.S. Pension Plan |  |  |
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] |  |  |
Benefit obligation at beginning of year | 33,687 | 36,130 |
Acquisition | 0 | 0 |
Service cost | 0 | 0 | $ 335
Interest cost | 709 | 724 | 892
Amortization of net actuarial gain | (6,010) | (1,557) |
Benefits paid | (1,818) | (1,610) |
Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) | 0 | 0 |
Benefit obligation at end of year | 26,568 | 33,687 | 36,130
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] |  |  |
Fair value of plan assets at beginning of year | 34,126 | 29,201 |
Acquisition | 0 | 0 |
Actual return on plan assets | (7,407) | 4,042 |
Administrative expenses | (461) | (52) |
Employer contributions | 0 | 2,545 |
Benefits paid | (1,818) | (1,610) |
Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) | 0 | 0 |
Fair value of plan assets at end of year | 24,440 | 34,126 | $ 29,201
Funded status at end of year (net asset (liability) recognized in the consolidated balance sheets as of August 31,) | (2,128) | 439 |
Net actuarial (gain) loss | $ 2,278 | $ (1,110) |

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- Definition Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i-k) -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580 + Details
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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 + Details
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