XML 157 R76.htm IDEA: XBRL DOCUMENT
v3.20.2

CREDIT ARRANGEMENTS (Long-term Debt) (Details) - USD ($) $ in Thousands | Aug. 31, 2020 | May 31, 2020 | Aug. 31, 2019 | Jul. 31, 2017 | May 31, 2013
--- | --- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |  |
Total long-term debt including current maturities | $ 1,092,266 |  | $ 1,254,921 |  |
Less debt issuance costs | 8,581 |  | 10,268 |  |
Total amounts outstanding | 1,083,685 |  | 1,244,653 |  |
Current maturities of long-term debt and short-term borrowings | 18,149 |  | 17,439 |  |
Long-term debt | $ 1,065,536 |  | 1,227,214 |  |
2027 Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate | 5.375% |  |  | 5.375% |
Total long-term debt including current maturities | $ 300,000 |  | 300,000 |  |
2026 Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate | 5.75% | 5.75% |  |  |
Total long-term debt including current maturities | $ 350,000 |  | 350,000 |  |
2023 Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate | 4.875% |  |  |  | 4.875%
Total long-term debt including current maturities | $ 330,000 |  | 330,000 |  |
Other |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate | 5.10% |  |  |  |
Total long-term debt including current maturities | $ 21,329 |  | 23,168 |  |
Short-term borrowings |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total long-term debt including current maturities | $ 0 |  | 3,929 |  |
Short-term borrowings | Poland Program |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate | 0.98% |  |  |  |
Finance leases |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total long-term debt including current maturities | $ 50,224 |  | 37,699 |  |
Revolving credit agreement | Poland Term Loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate | 1.73% |  |  |  |
Total long-term debt including current maturities | $ 40,713 |  | 0 |  |
Revolving credit agreement | Term Loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Weighted average interest rate | 3.148% |  |  |  |
Total long-term debt including current maturities | $ 0 |  | $ 210,125 |  |

X
- Definition Long-term Debt and Capital Lease Obligations, Net + References No definition available. + Details
Name: | cmc_LongtermDebtandCapitalLeaseObligationsNet
Namespace Prefix: | cmc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of short-term and long-term debt and lease obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13,16) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
Name: | us-gaap_DebtAndCapitalLeaseObligations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399 + Details
Name: | us-gaap_DeferredFinanceCostsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of long-term debt and lease obligation, classified as noncurrent. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtAndCapitalLeaseObligations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of long-term debt and lease obligation, classified as current. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Weighted average interest rate of long-term debt outstanding calculated at point in time. + References No definition available. + Details
Name: | us-gaap_LongtermDebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=cmc_A300MillionNotesat5.375dueJuly2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=cmc_A350millionnotesat5.75dueApril2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=cmc_A330MillionNotesAt4875DueMay2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=cmc_OtherDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_ShortTermDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cmc_PolandProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=cmc_FinanceLeasesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=cmc_PolandTermLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_MediumTermNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |