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Supplemental Financial Statement Information - (Tables) | 9 Months Ended
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Sep. 30, 2023
Other Income and Expenses [Abstract] |
Schedule of Other Expense, Net | Other income (expense), net for the three and nine months ended September 30, 2023 and 2022 was as follows:
(in millions) | Three months ended September 30, | Nine months ended September 30,
| 2023 |  | 2022 | 2023 |  | 2022
Rent and royalty income | $ | 0.7 |  |  | $ | 0.5 |  | $ | 2.0 |  |  | $ | 1.7 |
Gains from disposal of property, plant and equipment, net | — |  |  | 0.1 |  | 0.3 |  |  | 0.3 |
Net equity income (loss) on joint ventures (See Note 5) | (0.7) |  |  | 0.8 |  | (1.0) |  |  | 11.2 |
Litigation reserve | — |  |  | (19.9) |  | — |  |  | (28.5) |
Total other income (expense), net | $ | — |  |  | $ | (18.5) |  | $ | 1.3 |  |  | $ | (15.3) |
Roll Forward of Restructuring Reserve Activity | Restructuring reserves for severance cost activity is as follows:
| Severance and Employee
| Benefit Costs
Balance at December 31, 2022 | $ | 9.8 |
Additions, net | 2.2 |
Payments | (1.1) |
Balance at September 30, 2023 | $ | 10.9 |

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-2 + Details
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