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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2025
Income Tax Disclosure [Abstract] |
Schedule of Components of Provision for Income Taxes | The components of the provision for income taxes consisted of the following:
Years ended December 31 (dollars in millions) | 2025 |  | 2024 |  | 2023
Current: |  |  |  |  |
Federal | $ | 99.8 |  |  | $ | 124.3 |  |  | $ | 124.9 |
State | 25.4 |  |  | 25.2 |  |  | 28.3 |
International | 34.8 |  |  | 22.5 |  |  | 27.5 |
Deferred: |  |  |  |  |
Federal | 11.9 |  |  | (4.4) |  |  | (4.8) |
State | 2.1 |  |  | (0.5) |  |  | (1.8) |
International | (5.1) |  |  | 0.3 |  |  | 2.8 |
| $ | 168.9 |  |  | $ | 167.4 |  |  | $ | 176.9 |
Schedule of Difference Between Provision for (Benefit From) Income Taxes and U.S. Federal Statutory Rate | The provision for income taxes differs from the U.S. federal statutory rate due to the following items:
Years ended December 31 | 2025 |  | 2024 |  | 2023
| Dollars |  | Percentages |  | Dollars |  | Percentages |  | Dollars |  | Percentages
U.S. federal statutory tax rate | $ | 150.2 |  |  | 21.0 | % |  | $ | 147.2 |  |  | 21.0 | % |  | $ | 154.0 |  |  | 21.0 | %
State and local income tax, net of federal (national) benefit (1) | 21.0 |  |  | 2.9 |  |  | 18.1 |  |  | 2.6 |  |  | 21.0 |  |  | 2.9 |
Foreign tax effects |  |  |  |  |  |  |  |  |  |  |
China |  |  |  |  |  |  |  |  |  |  |
Tax benefit from research and development expenditures | (8.5) |  |  | (1.2) |  |  | (7.9) |  |  | (1.1) |  |  | (10.1) |  |  | (1.4) |
Other | 4.2 |  |  | 0.6 |  |  | 3.2 |  |  | 0.5 |  |  | 5.3 |  |  | 0.7 |
Other foreign jurisdictions | 6.8 |  |  | 1.0 |  |  | 1.5 |  |  | 0.2 |  |  | 6.2 |  |  | 0.9 |
Other Adjustments | (4.8) |  |  | (0.7) |  |  | 5.3 |  |  | 0.7 |  |  | 0.5 |  |  | 0.0 |
| $ | 168.9 |  |  | 23.6 | % |  | $ | 167.4 |  |  | 23.9 | % |  | $ | 176.9 |  |  | 24.1 | %
(1)The state and local jurisdictions that contribute to the majority (greater than 50%) of the tax effect in this category include California, Florida, Illinois, Massachusetts, Maryland, New Jersey, New York and New York City for 2025, California, Illinois, Maryland, Michigan, New Jersey, New York, Pennsylvania and Tennessee for 2024 and California, Florida, Illinois, Massachusetts, New Jersey, New York, Pennsylvania and Tennessee for 2023.
Schedule of Components of Earnings Before Income Taxes | Components of earnings before income taxes were as follows:
Years ended December 31 (dollars in millions) | 2025 |  | 2024 |  | 2023
U.S. | $ | 586.0 |  |  | $ | 577.2 |  |  | $ | 596.4 |
International | 129.1 |  |  | 123.8 |  |  | 137.1 |
| $ | 715.1 |  |  | $ | 701.0 |  |  | $ | 733.5 |
Schedule of Income Tax Paid | Supplemental cash flow information is as follows:
Years ended December 31 (dollars in millions) | 2025 |  | 2024 |  | 2023
Net change in current assets and liabilities, net of acquisitions: |  |  |  |  |
Receivables | $ | (36.4) |  |  | $ | 49.0 |  |  | $ | (16.4) |
Inventories | 56.9 |  |  | (40.5) |  |  | 18.1 |
Other current assets | 8.3 |  |  | 7.1 |  |  | 7.2 |
Trade payables | (97.9) |  |  | (5.9) |  |  | (21.4) |
Accrued liabilities, including payroll and benefits | 16.5 |  |  | (32.9) |  |  | 28.4 |
Income taxes | (3.1) |  |  | 0.6 |  |  | 4.1 |
| $ | (55.7) |  |  | $ | (22.6) |  |  | $ | 20.0 |
The cash taxes paid by the Company were as follows:
Years ended December 31 (dollars in millions) | 2025 |  | 2024 |  | 2023
Federal | $ | 119.2 |  |  | $ | 136.1 |  |  | $ | 134.8 |
State | 21.7 |  |  | 28.2 |  |  | 25.7 |
International |  |  |  |  |
Canada | 11.4 |  |  | 11.4 |  |  | 11.6 |
China | 9.3 |  |  | 8.3 |  |  | 15.0 |
Other foreign jurisdictions | 3.6 |  |  | 3.7 |  |  | 2.4 |
| $ | 165.2 |  |  | $ | 187.7 |  |  | $ | 189.5 |
Schedule of Tax Effects of Temporary Differences of Assets and Liabilities | The tax effects of temporary differences of assets and liabilities between income tax and financial reporting are as follows:
December 31 (dollars in millions) | 2025 |  | 2024
| Assets |  | Liabilities |  | Assets |  | Liabilities
Employee benefits | $ | 18.7 |  |  | $ | — |  |  | $ | 16.7 |  |  | $ | — |
Product liability and warranties | 55.9 |  |  | — |  |  | 51.6 |  |  | — |
Inventories | 3.1 |  |  | — |  |  | 2.0 |  |  | — |
Accounts receivable | 12.4 |  |  | — |  |  | 12.0 |  |  | — |
Property, plant and equipment | — |  |  | 51.9 |  |  | — |  |  | 49.8 |
Intangibles | — |  |  | 80.9 |  |  | — |  |  | 58.6 |
Environmental liabilities | 1.3 |  |  | — |  |  | 1.4 |  |  | — |
Undistributed foreign earnings | — |  |  | 4.8 |  |  | — |  |  | 3.5 |
Tax loss and credit carryovers | 22.7 |  |  | — |  |  | 9.7 |  |  | — |
All other | 11.2 |  |  | — |  |  | 11.0 |  |  | — |
Valuation allowance | (10.4) |  |  | — |  |  | (6.1) |  |  | — |
| $ | 114.9 |  |  | $ | 137.6 |  |  | $ | 98.3 |  |  | $ | 111.9 |
Net liability |  |  | $ | 22.7 |  |  |  |  | $ | 13.6 |
Schedule of Reconciliation of Tax Loss Carryovers, Credit Carryovers and Valuation Allowances | A reconciliation of the beginning and ending amounts of tax loss carryovers, credit carryovers and valuation allowances is as follows:
| Net Operating Losses and Tax Credits |  | Valuation Allowances
December 31 (dollars in millions) | 2025 |  | 2024 |  | 2025 |  | 2024
Beginning balance | $ | 9.7 |  |  | $ | 12.3 |  |  | $ | 6.1 |  |  | $ | 11.7 |
Change in balance | 13.0 |  |  | (2.6) |  |  | 4.3 |  |  | (5.6) |
Ending balance | $ | 22.7 |  |  | $ | 9.7 |  |  | $ | 10.4 |  |  | $ | 6.1 |
Schedule of Reconciliation of Unrecognized Tax Benefits | A reconciliation of the beginning and ending amount of unrecognized benefits is as follows:
(dollars in millions) | 2025 |  | 2024
Balance at January 1 | $ | 16.2 |  |  | $ | 17.2 |
Change to tax positions from prior years | (3.2) |  |  | (1.0) |
Balance at December 31 | $ | 13.0 |  |  | $ | 16.2 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-9 + Details
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