XML 76 R64.htm IDEA: XBRL DOCUMENT
v3.6.0.2

BUSINESS SEGMENTS (Summary of Certain Financial Information from Continuing Operations by Reportable Segment) (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Nov. 30, 2016 | Nov. 30, 2015 | Aug. 31, 2016
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | $ 1,075,063 | $ 1,154,859 |
Adjusted operating profit (loss) |  | 23,352 | 56,061 |
Total assets |  | 3,002,580 |  | $ 3,130,869
Continuing Operations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 1,075,063 | 1,154,859 |
Adjusted operating profit (loss) |  | 23,352 | 56,061 |
Total assets | [1] | 3,001,439 |  | 3,124,082
Americas Recycling |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 154,362 | 154,836 |
Adjusted operating profit (loss) |  | (5,098) | (6,548) |
Total assets | [1] | 194,056 |  | 188,873
Americas Mills |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 203,331 | 217,641 |
Adjusted operating profit (loss) |  | 36,949 | 59,064 |
Total assets | [1] | 791,063 |  | 798,481
Americas Fabrication |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 335,277 | 379,481 |
Adjusted operating profit (loss) |  | 6,711 | 21,345 |
Total assets | [1] | 629,925 |  | 659,165
International Mill |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 134,190 | 120,448 |
Adjusted operating profit (loss) |  | 9,973 | 2,771 |
Total assets | [1] | 360,428 |  | 372,492
International Marketing and Distribution |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 246,153 | 280,062 |
Adjusted operating profit (loss) |  | (966) | (2,169) |
Total assets | [1] | 560,109 |  | 564,068
Corporate |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 1,750 | 2,391 |
Adjusted operating profit (loss) |  | (24,013) | (18,072) |
Total assets | [1] | 950,717 |  | 1,034,053
Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 0 | 0 |
Adjusted operating profit (loss) |  | (204) | (330) |
Total assets | [1] | (484,859) |  | (493,050)
Segments | Continuing Operations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 1,075,063 | 1,154,859 |
Segments | Americas Recycling |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 176,708 | 179,207 |
Segments | Americas Mills |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 347,165 | 384,532 |
Segments | Americas Fabrication |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 338,400 | 382,314 |
Segments | International Mill |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 134,401 | 120,448 |
Segments | International Marketing and Distribution |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 248,160 | 283,037 |
Segments | Corporate |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 1,750 | 2,391 |
Segments | Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | (171,521) | (197,070) |
Intersegment | Continuing Operations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 0 | 0 |
Intersegment | Americas Recycling |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 22,346 | 24,371 |
Intersegment | Americas Mills |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 143,834 | 166,891 |
Intersegment | Americas Fabrication |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 3,123 | 2,833 |
Intersegment | International Mill |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 211 | 0 |
Intersegment | International Marketing and Distribution |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 2,007 | 2,975 |
Intersegment | Corporate |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | 0 | 0 |
Intersegment | Eliminations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales |  | (171,521) | $ (197,070) |
Discontinued operations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disposal Group, Including Discontinued Operation, Assets |  | $ 1,200 |  | $ 6,800
[1] | Excludes total assets from discontinued operations of $1.2 million at November 30, 2016 and $6.8 million at August 31, 2016.

X
- Definition It represents non-GAAP financial measures of adjusted operating profit (loss) from continuing operations. + References No definition available. + Details
Name: | cmc_AdjustedOperatingProfitLossFromContinuingOperation
Namespace Prefix: | cmc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(12)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(11)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_Assets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount classified as assets attributable to disposal group held for sale or disposed of. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=64862545&loc=d3e2941-110230 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=65878427&loc=d3e1107-107759 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721673-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=65878427&loc=SL51721533-107759 + Details
Name: | us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_SalesRevenueGoodsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_SegmentContinuingOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cmc_AmericasRecyclingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cmc_AmericasMillsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cmc_AmericasFabricationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cmc_InternationalMillsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cmc_InternationalMarketingAndDistributionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_IntersegmentEliminationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_MaterialReconcilingItemsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementOperatingActivitiesSegmentAxis=us-gaap_SegmentDiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |