XML 87 R73.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Note 15 - Segment Information - Segment Reporting Information by Capital Expenditures (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Capital expenditures |  |  |
Capital expenditures | $ 10,160 | $ 6,824 | $ 7,317
Assets |  |  |
Assets | 604,158 | 556,068 |
Specialty Metals Flat Products [Member] |  |  |
Capital expenditures |  |  |
Capital expenditures | 7,325 | 5,105 | 4,295
Assets |  |  |
Assets | 409,116 | 363,626 |
Tubular and Pipe Products [Member] |  |  |
Capital expenditures |  |  |
Capital expenditures | 2,833 | 1,719 | 3,022
Assets |  |  |
Assets | 194,787 | 192,088 |
Corporate Segment [Member] |  |  |
Capital expenditures |  |  |
Capital expenditures | 2 |  |
Assets |  |  |
Assets | $ 255 | $ 354 |

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

X
- Definition Expenses incurred during the reporting period regarding the purchases of fixed assets. + References No definition available. + Details
Name: | zeus_CapitalExpenditures
Namespace Prefix: | zeus_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=zeus_TubularAndPipeProductsMember
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: |