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STOCK-BASED COMPENSATION PLANS (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2021	May 31, 2019	May 31, 2021	May 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period in years			3 years
Stock-based compensation	$ 13,800	$ 6,170	$ 35,558	$ 21,975
Share-based Payment Arrangement, Expense	$ 3,200		$ 5,000
Equity method awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted			1,512,000	1,521,000
Weighted average grant-date fair value			$ 20.51	$ 18.32
Liability method awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted			324,000	426,000
Equivalent shares outstanding	711,148		711,148
Equivalent shares expected to vest	675,590		675,590

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Equivalent number of shares expected to vest under share-based compensation arrangement as of the balance sheet date.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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