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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Cash flows from (used for) operating activities: |  |  |
Net income | $ 3,856 | $ 33,759 | $ 18,963
Adjustments to reconcile net income to net cash from operating activities - |  |  |
Depreciation and amortization | 19,548 | 18,035 | 18,587
(Gain) loss on disposition of property and equipment | (222) | 64 | (52)
Stock-based compensation | 2,188 | 1,529 | 1,096
Intangibles and other long-term assets | (3,835) | 1,970 | (2,874)
Deferred income taxes and other long-term liabilities | 1,220 | (1,467) | (8,988)
| 22,755 | 53,890 | 26,732
Changes in working capital: |  |  |
Accounts receivable | 42,141 | (35,906) | (30,835)
Inventories | 95,836 | (78,662) | (20,781)
Prepaid expenses and other | 2,464 | 47 | (1,303)
Accounts payable | (33,651) | 2,898 | 3,918
Change in outstanding checks | 7,053 | 1,038 | 658
Accrued payroll and other accrued liabilities | (7,040) | 6,194 | 2,570
| 106,803 | (104,391) | (45,773)
Net cash from (used for) operating activities | 129,558 | (50,501) | (19,041)
Cash flows from (used for) investing activities: |  |  |
Acquisitions | (11,133) | (21,907) |
Capital expenditures | (10,165) | (25,715) | (10,160)
Proceeds from disposition of property and equipment | 269 | 126 | 991
Net cash used for investing activities | (21,029) | (47,496) | (9,169)
Cash flows from (used for) financing activities: |  |  |
Credit facility revolver borrowings | 536,944 | 597,867 | 387,220
Credit facility revolver repayments | (646,549) | (491,572) | (355,584)
Principal payments under capital lease obligation |  | (7) |
Industrial revenue bond repayments |  | (930) | (895)
Credit facility fees and expenses | (100) | (171) | (969)
Proceeds from employee stock options |  |  | 10
Repurchase of common stock | (1,522) |  |
Dividends paid | (879) | (880) | (878)
Net cash from (used for) financing activities | (112,106) | 104,307 | 28,904
Cash and cash equivalents: |  |  |
Net change | (3,577) | 6,310 | 694
Beginning balance | 9,319 | 3,009 | 2,315
Ending balance | 5,742 | 9,319 | 3,009
Cash paid during the period |  |  |
Interest paid | 10,951 | 10,241 | 6,433
Income taxes paid | $ 460 | $ 11,316 | $ 9,357

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Namespace Prefix: | zeus_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations, but not including changes in working capital. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References No definition available. + Details
Name: | zeus_NetCashProvidedByUsedInOperatingActivitiesExcludingChangesInWorkingCapital
Namespace Prefix: | zeus_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proceeds from exercise of stock options including tax benefits and employee stock purchases. + References No definition available. + Details
Name: | zeus_ProceedsFromExerciseOfStockOptionsIncludingTaxBenefitsAndEmployeeStockPurchases
Namespace Prefix: | zeus_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration