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ENVIRONMENTAL (Tables) | 9 Months Ended
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Sep. 30, 2018
Environmental Remediation Obligations [Abstract] |
Environmental Provisions (Credited) Charged to Income Table | Environmental provisions (credited) charged to income, which are included in cost of goods sold, were as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
| ($ in millions)
Provisions (credited) charged to income | $ | (0.8 | ) |  | $ | 1.8 |  |  | $ | 5.9 |  |  | $ | 6.2 |
Insurance recoveries for costs incurred and expensed | (110.0 | ) |  | — |  |  | (110.0 | ) |  | — |
Environmental (income) expense | $ | (110.8 | ) |  | $ | 1.8 |  |  | $ | (104.1 | ) |  | $ | 6.2 |

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