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SHAREHOLDERS EQUITY - Options outstanding and exercisable (Details) - $ / shares shares in Thousands | 9 Months Ended | 12 Months Ended
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May 31, 2022 | Aug. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based payment arrangement, option, exercise price range, lower range limit (in usd per share) | $ 6.85 |
Share-based payment arrangement, option, exercise price range, upper range limit (in usd per share) | $ 66.14 |
Options, outstanding, number (in shares) | 1,276 | 1,184
Awards outstanding weighted average remaining contractual life | 6 years 3 months 29 days | 6 years 5 months 19 days
Options, outstanding, weighted average exercise price (in usd per share) | $ 28.31 | $ 25.63
Awards exercisable (in shares) | 722 |
Awards exercisable weighted average remaining contractual life | 4 years 7 months 28 days |
Share-based compensation arrangement by share-based payment award, options, exercisable, weighted average exercise price (in usd per share) | $ 16.96 |
$6.85 to $9.77 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based payment arrangement, option, exercise price range, lower range limit (in usd per share) | 6.85 |
Share-based payment arrangement, option, exercise price range, upper range limit (in usd per share) | $ 9.77 |
Options, outstanding, number (in shares) | 296 |
Awards outstanding weighted average remaining contractual life | 3 years 7 days |
Options, outstanding, weighted average exercise price (in usd per share) | $ 8.33 |
Awards exercisable (in shares) | 296 |
Awards exercisable weighted average remaining contractual life | 3 years 7 days |
Share-based compensation arrangement by share-based payment award, options, exercisable, weighted average exercise price (in usd per share) | $ 8.33 |
$9.78 to $18.76 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based payment arrangement, option, exercise price range, lower range limit (in usd per share) | 9.78 |
Share-based payment arrangement, option, exercise price range, upper range limit (in usd per share) | $ 18.76 |
Options, outstanding, number (in shares) | 208 |
Awards outstanding weighted average remaining contractual life | 4 years 6 months 29 days |
Options, outstanding, weighted average exercise price (in usd per share) | $ 10.37 |
Awards exercisable (in shares) | 207 |
Awards exercisable weighted average remaining contractual life | 4 years 6 months 29 days |
Share-based compensation arrangement by share-based payment award, options, exercisable, weighted average exercise price (in usd per share) | $ 10.35 |
$18.77 to $33.40 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based payment arrangement, option, exercise price range, lower range limit (in usd per share) | 18.77 |
Share-based payment arrangement, option, exercise price range, upper range limit (in usd per share) | $ 33.40 |
Options, outstanding, number (in shares) | 253 |
Awards outstanding weighted average remaining contractual life | 6 years 7 months 20 days |
Options, outstanding, weighted average exercise price (in usd per share) | $ 25.15 |
Awards exercisable (in shares) | 129 |
Awards exercisable weighted average remaining contractual life | 6 years 3 months 3 days |
Share-based compensation arrangement by share-based payment award, options, exercisable, weighted average exercise price (in usd per share) | $ 24.11 |
$33.41 to $47.63 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based payment arrangement, option, exercise price range, lower range limit (in usd per share) | 33.41 |
Share-based payment arrangement, option, exercise price range, upper range limit (in usd per share) | $ 47.63 |
Options, outstanding, number (in shares) | 240 |
Awards outstanding weighted average remaining contractual life | 8 years 10 months 9 days |
Options, outstanding, weighted average exercise price (in usd per share) | $ 38.37 |
Awards exercisable (in shares) | 34 |
Awards exercisable weighted average remaining contractual life | 7 years 3 months 21 days |
Share-based compensation arrangement by share-based payment award, options, exercisable, weighted average exercise price (in usd per share) | $ 35.75 |
$47.64 to $66.14 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based payment arrangement, option, exercise price range, lower range limit (in usd per share) | 47.64 |
Share-based payment arrangement, option, exercise price range, upper range limit (in usd per share) | $ 66.14 |
Options, outstanding, number (in shares) | 279 |
Awards outstanding weighted average remaining contractual life | 8 years 8 months 8 days |
Options, outstanding, weighted average exercise price (in usd per share) | $ 57.06 |
Awards exercisable (in shares) | 56 |
Awards exercisable weighted average remaining contractual life | 8 years 4 months 20 days |
Share-based compensation arrangement by share-based payment award, options, exercisable, weighted average exercise price (in usd per share) | $ 58.93 |

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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