XML 86 R33.htm IDEA: XBRL DOCUMENT
v3.20.1

STOCK-BASED COMPENSATION PLANS (Tables) | 9 Months Ended
--- | ---
May 31, 2020
Share-based Payment Arrangement [Abstract] |
Schedule of Stock Based Awards Granted | During the nine months ended May 31, 2020 and 2019, the Company granted the following awards under its stock-based compensation plans:
|  | May 31, 2020 |  |  |  | May 31, 2019 |  |
(in thousands, except per share data) |  | Shares Granted |  | Weighted Average Grant Date Fair Value |  | Shares Granted |  | Weighted Average Grant Date Fair Value
Equity method |  | 1,521 |  |  | $ | 18.32 |  |  | 1,505 |  |  | $ | 17.75 |
Liability method |  | 426 |  |  | N/A |  |  | 374 |  |  | N/A |
Schedule of Stock-based Compensation Expense | The following table summarizes total stock-based compensation expense, including fair value remeasurements, which was mainly included in selling, general and administrative expenses on the Company's condensed consolidated statements of earnings:
|  | Three Months Ended May 31, |  |  |  | Nine Months Ended May 31, |  |
(in thousands) |  | 2020 |  | 2019 |  | 2020 |  | 2019
Stock-based compensation expense |  | $ | 6,170 |  |  | $ | 7,342 |  |  | $ | 21,975 |  |  | $ | 17,350 |

X
- Definition Tabular disclosure of quantity granted under stock option or other equity-based compensation plan. + References No definition available. + Details
Name: | cmc_StockBasedAwardsGrantedTableTextBlock
Namespace Prefix: | cmc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration