Note 3 - Disposition of Assets (Details Textual) $ in Millions	Sep. 17, 2021 USD ($)
Sale of Operations, Consideration Received or Receivable	$ 58.4
Estimated Working Capital Adjustment	12.6
Sale of Operations, Property and Equipment	9.5
Sale of Operations, Gain (Loss) on Sale of Operations, Before Tax	$ 3.5

Amount of consideration received or receivable for the sale of operations.

No definition available.

Name:	zeus_SaleOfOperationsConsiderationReceivedOrReceivable
Namespace Prefix:	zeus_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant