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Revenue (Tables) | 9 Months Ended
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Sep. 30, 2023
Revenue from Contract with Customer [Abstract] |
Summary of Revenues Disaggregated by Product Line | The following table presents our revenues disaggregated by product line (dollars in millions):
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Packaging |  | $ | 1,759.8 |  |  | $ | 1,940.2 |  |  | $ | 5,358.7 |  |  | $ | 5,971.6 |
Paper |  |  | 157.9 |  |  |  | 165.3 |  |  |  | 451.6 |  |  |  | 468.6 |
Corporate and Other |  |  | 18.3 |  |  |  | 20.4 |  |  |  | 54.2 |  |  |  | 59.4 |
Total revenue |  | $ | 1,936.0 |  |  | $ | 2,125.9 |  |  | $ | 5,864.5 |  |  | $ | 6,499.6 |

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