SEGMENT INFORMATION - Profit or loss information (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Segment Information | ||||
| Net sales | $ 4,630.0 | $ 3,659.8 | $ 8,656.0 | $ 7,144.5 |
| Cost of sales (exclusive of depreciation and amortization shown below) | 3,329.5 | 2,571.9 | 6,183.6 | 5,023.3 |
| Depreciation and amortization | 69.5 | 69.7 | 138.7 | 138.4 |
| Interest expense | 18.2 | 14.3 | 33.6 | 25.8 |
| Income tax provision | 106.2 | 70.1 | 190.1 | 132.0 |
| Net income | 323.6 | 234.2 | 589.2 | 434.7 |
| Metals Service Centers | Operating segments | ||||
| Segment Information | ||||
| Net sales | 4,630.0 | 3,659.8 | 8,656.0 | 7,144.5 |
| Cost of sales (exclusive of depreciation and amortization shown below) | 3,329.5 | 2,571.9 | 6,183.6 | 5,023.3 |
| Compensation expense | 488.6 | 434.6 | 941.3 | 854.7 |
| Other segment items | 294.4 | 265.0 | 579.5 | 535.6 |
| Depreciation and amortization | 69.5 | 69.7 | 138.7 | 138.4 |
| Interest expense | 18.2 | 14.3 | 33.6 | 25.8 |
| Income tax provision | 106.2 | 70.1 | 190.1 | 132.0 |
| Net income | 323.6 | 234.2 | 589.2 | 434.7 |
| Other Segment Disclosures | ||||
| Purchases of property, plant and equipment | $ 93.4 | $ 87.6 | $ 157.6 | $ 174.5 |
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- Definition Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Other employee benefit expense includes, but is not limited to, service component of net periodic benefit cost for defined benefit plan. Excludes compensation cost in cost of good and service sold. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Cost of product sold and service rendered, excluding depreciation, depletion, and amortization. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of interest expense classified as nonoperating. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expenditure for addition to long-lived asset included in determination of segment asset by chief operating decision maker (CODM) or otherwise regularly provided to CODM. Long-lived asset excludes financial instrument, long-term customer relationship of financial institution, mortgage and other servicing rights, deferred policy acquisition cost, and deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of other expense (income) and loss (gain) calculated as difference between segment revenue and separately disclosed expense category to arrive at segment profit (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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