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ENVIRONMENTAL (Tables) | 12 Months Ended
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Dec. 31, 2023
Environmental Remediation Obligations [Abstract] |
Rollforward of environmental liabilities | Our liabilities for future environmental expenditures were as follows:
| December 31,
| 2023 |  | 2022
Environmental Liabilities | ($ in millions)
Beginning balance | $ | 146.6 |  |  | $ | 147.3 |
Charges to income | 30.1 |  |  | 24.2 |
Remedial and investigatory spending | (25.9) |  |  | (24.6) |
Other | 2.8 |  |  | (0.3) |
Ending balance | $ | 153.6 |  |  | $ | 146.6 |
Environmental Provisions Charged to Income Table | Environmental provisions charged to income, which are included in cost of goods sold, were as follows:
| Years ended December 31,
| 2023 |  | 2022 |  | 2021
Environmental Expense | ($ in millions)
Provisions charged to income | $ | 30.1 |  |  | $ | 24.2 |  |  | $ | 16.2 |
Insurance recoveries(1) | (6.4) |  |  | (1.0) |  |  | (2.2) |
Environmental expense | $ | 23.7 |  |  | $ | 23.2 |  |  | $ | 14.0 |

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