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v2.4.1.9

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2015 | Dec. 31, 2014
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LIFO debit | $ 3,457 zeus_LIFODebit | $ 3,207 zeus_LIFODebit

X
- Definition A debit applied to the carrying amount of inventory on the current periods balance sheet to adjust for LIFO. + References No definition available. + Details
Name: | zeus_LIFODebit
Namespace Prefix: | zeus_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant