XML 68 R54.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Note 7 - Derivative Instruments - Impact from Derivatives on Consolidated Statements of Comprehensive Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Derivatives | $ (31) | $ (164) | $ (2,842)
Interest Rate Swap [Member] | ABL Credit Facility [Member] |  |  |
Derivatives |  | (98) | (365)
Interest Rate Swap [Member] | Chicago Tube and Iron Company Acquisition [Member] |  |  |
Derivatives | (31) | (66) | (77)
Cash Flow Metals Hedges [Member] |  |  |
Derivatives |  |  | (2,400)
Metal Swaps [Member] |  |  |
Derivatives | 475 | 68 | (2,304)
Embedded Customer Derivatives [Member] |  |  |
Derivatives | $ (475) | $ (68) | $ 2,304

X
- Definition Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 + Details
Name: | us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=zeus_ChicagoTubeAndIronCompanyAcquisitionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=zeus_CashFlowMetalsHedgesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=zeus_MetalSwapsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=zeus_EmbeddedCustomerDerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |