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Income Taxes | 12 Months Ended
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Dec. 31, 2024
Income Taxes |
Income Taxes | Note 12. Income Taxes ​ Reliance and its subsidiaries file numerous consolidated and separate income tax returns in the U.S. federal jurisdiction and in many state and foreign jurisdictions. We are no longer subject to U.S. federal tax examinations for years before 2021 and state and local tax examinations before 2020. Significant components of the provision for income taxes attributable to continuing operations were as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Year Ended December 31,
​ | 2024 |  | 2023 |  | 2022
​ | (in millions)
Current: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Federal | $ | 156.2 | ​ | $ | 277.0 | ​ | $ | 418.9
State | ​ | 39.9 | ​ | ​ | 73.8 | ​ | ​ | 112.9
Foreign | ​ | 29.4 | ​ | ​ | 33.6 | ​ | ​ | 61.1
​ | ​ | 225.5 | ​ | ​ | 384.4 | ​ | ​ | 592.9
Deferred: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Federal | ​ | 31.7 | ​ | ​ | 18.0 | ​ | ​ | (3.7)
State | ​ | 5.9 | ​ | ​ | 0.3 | ​ | ​ | (2.0)
Foreign | ​ | (1.2) | ​ | ​ | (2.1) | ​ | ​ | (1.0)
​ | ​ | 36.4 | ​ | ​ | 16.2 | ​ | ​ | (6.7)
​ | $ | 261.9 | ​ | $ | 400.6 | ​ | $ | 586.2
​ ​ Components of U.S. and international income before income taxes were as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Year Ended December 31,
​ | 2024 |  | 2023 |  | 2022
​ | (in millions)
U.S. | $ | 1,021.3 | ​ | $ | 1,579.4 | ​ | $ | 2,199.2
International | ​ | 118.6 | ​ | ​ | 161.3 | ​ | ​ | 231.2
Income before income taxes | $ | 1,139.9 | ​ | $ | 1,740.7 | ​ | $ | 2,430.4
​ The reconciliation of income tax at the U.S. federal statutory tax rate to income tax expense is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31, | ​
​ | ​ | 2024 | ​ |  | 2023 | ​ |  | 2022 | ​
Income tax at U.S. federal statutory tax rate | ​ | 21.0 | % | ​ | 21.0 | % | ​ | 21.0 | %
State income tax, net of federal tax effect | ​ | 3.1 | ​ | ​ | 3.4 | ​ | ​ | 3.5 | ​
Foreign earnings taxed at higher (lower) rates | ​ | 0.3 | ​ | ​ | (0.1) | ​ | ​ | 0.5 | ​
Net effect of life insurance policies | ​ | (1.6) | ​ | ​ | (1.1) | ​ | ​ | (0.6) | ​
Other, net | ​ | 0.2 | ​ | ​ | (0.2) | ​ | ​ | (0.3) | ​
Effective tax rate | ​ | 23.0 | % | ​ | 23.0 | % | ​ | 24.1 | %
​ Significant components of our deferred tax assets and liabilities are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | December 31,
​ | ​ | ​ |  | 2024 |  | 2023
​ | ​ | ​ | ​ | (in millions)
Deferred tax assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Allowance for credit losses | ​ | ​ | ​ | $ | 6.5 | ​ | $ | 6.8
Inventory costs capitalized for tax purposes | ​ | ​ | ​ | ​ | 13.1 | ​ | ​ | 13.1
Accrued expenses not currently deductible for tax | ​ | ​ | ​ | ​ | 33.0 | ​ | ​ | 32.0
Stock-based compensation | ​ | ​ | ​ | ​ | 10.4 | ​ | ​ | 12.7
Net operating loss carryforwards | ​ | ​ | ​ | ​ | 1.5 | ​ | ​ | 2.5
Tax credits carryforwards | ​ | ​ | ​ | ​ | 0.4 | ​ | ​ | 0.4
Total deferred tax assets | ​ | ​ | ​ | ​ | 64.9 | ​ | ​ | 67.5
Deferred tax liabilities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Property, plant and equipment, net | ​ | ​ | ​ | ​ | (224.3) | ​ | ​ | (208.4)
Goodwill and other intangible assets | ​ | ​ | ​ | ​ | (351.9) | ​ | ​ | (342.8)
LIFO inventories | ​ | ​ | ​ | ​ | (20.7) | ​ | ​ | (6.3)
Other | ​ | ​ | ​ | ​ | (5.5) | ​ | ​ | (4.0)
Total deferred tax liabilities | ​ | ​ | ​ | ​ | (602.4) | ​ | ​ | (561.5)
Net deferred tax liabilities | ​ | ​ | ​ | $ | (537.5) | ​ | $ | (494.0)
​ The Company believes it is more likely than not that it will generate sufficient future taxable income to realize its deferred tax assets. ​ Unrecognized Tax Benefits ​ We are under audit by various state jurisdictions for years 2020 through 2022, but do not anticipate any material adjustments from these examinations. ​ Reconciliation of the beginning and ending balances of the total amounts of unrecognized tax benefits is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Year Ended December 31,
​ | 2024 |  | 2023 |  | 2022
​ | (in millions)
Unrecognized tax benefits at January 1 | $ | 1.2 | ​ | $ | 1.4 | ​ | $ | 1.9
Increases (decreases) in tax positions for prior years | ​ | 0.2 | ​ | ​ | (0.2) | ​ | ​ | 0.8
Increases in tax positions for current year | ​ | — | ​ | ​ | 0.6 | ​ | ​ | —
Settlements | ​ | — | ​ | ​ | (0.2) | ​ | ​ | (0.8)
Lapse of statute of limitations | ​ | (0.5) | ​ | ​ | (0.4) | ​ | ​ | (0.5)
Unrecognized tax benefits at December 31 | $ | 0.9 | ​ | $ | 1.2 | ​ | $ | 1.4
​ As of December 31, 2024, $0.9 million of unrecognized tax benefits would impact the effective tax rate if recognized. Accrued interest and penalties, net of applicable tax effect, related to uncertain tax positions were $0.2 million and $0.1 million as of December 31, 2024 and 2023, respectively. Although the timing, settlement or closure of audits is not certain, we do not anticipate our unrecognized tax benefits will increase or decrease significantly over the next twelve months.

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