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Supplemental Financial Statement Information - (Notes) | 3 Months Ended
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Mar. 31, 2023
Other Income and Expenses [Abstract] |
Supplemental Financial Statement Information | Supplemental Financial Statement Information Other income (expense), net for the three months ended March 31, 2023 and 2022 was as follows:
(in millions) | Three months ended March 31,
| 2023 |  | 2022
Rent and royalty income | $ | 0.6 |  |  | $ | 0.7 |
Gains from disposal of property, plant and equipment, net | 0.3 |  |  | — |
Net equity income (loss) on joint ventures (See Note 5) | (0.3) |  |  | 0.4 |
Litigation reserve | — |  |  | (8.6) |
Total other income (expense), net | $ | 0.6 |  |  | $ | (7.5) |
Restructuring Restructuring charges for the first quarter ended March 31, 2022 were a net credit of $1.1 million for a reduction in severance-related reserves related to approximately 20 employees based on changes in planned operating rates and revised workforce reduction estimates. This amount was presented as a restructuring credit in the consolidated statements of operations and is excluded from segment EBITDA. Restructuring reserves for severance cost activity is as follows:
| Severance and Employee
| Benefit Costs
Balance at December 31, 2022 | $ | 9.8 |
Payments | (0.2) |
Balance at March 31, 2023 | $ | 9.6 |
The $9.6 million restructuring reserve balance at March 31, 2023 includes $5.2 million recorded in other current liabilities and $4.4 million recorded in other long-term liabilities on the consolidated balance sheet. Supplier Financing The Company participates in supplier financing programs with two financial institutions to offer its suppliers the option for access to payment in advance of an invoice due date. Under such programs, the two financial institutions provide early payment to suppliers at their request for invoices that ATI has confirmed as valid at a pre-determined discount rate commensurate with the creditworthiness of ATI. As of March 31, 2023 and December 31, 2022, the Company had $20.5 million and $23.7 million, respectively, reported in accounts payable on the consolidated balance sheets under such programs.

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