XML 40 R30.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Other Income (Expense), Net (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2022
Other Income and Expenses [Abstract] |
Other Income (Expense), Net | consisted of the following (in millions of dollars):
|  | Quarter Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Interest income |  | $ | 0.4 |  |  | $ | 0.1 |  |  | $ | 0.6 |  |  | $ | 0.2 |
Net periodic postretirement benefit cost |  |  | (1.4 | ) |  |  | (1.2 | ) |  |  | (4.3 | ) |  |  | (3.0 | )
Unrealized (loss) gain on equity securities |  |  | (0.3 | ) |  |  | — |  |  |  | (1.4 | ) |  |  | — |
Gain (loss) on extinguishment of debt |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (35.9 | )
Gain (loss) on disposition of property, plant and equipment |  |  | 8.4 |  |  |  | — |  |  |  | 6.3 |  |  |  | (0.1 | )
Post-acquisition funding received from Alcoa Corporation 1 |  |  | 6.0 |  |  |  | — |  |  |  | 6.0 |  |  |  | — |
All other, net |  |  | (0.4 | ) |  |  | (0.1 | ) |  |  | 0.2 |  |  |  | 0.6 |
Other income (expense), net |  | $ | 12.7 |  |  | $ | (1.2 | ) |  | $ | 7.4 |  |  | $ | (38.2 | )
1 Reimbursement received for repairs and maintenance expenditures on certain machinery and equipment that we had purchased from Alcoa Corporation in connection with our March 31, 2021 acquisition of the Warrick rolling mill.

X
- References No definition available. + Details
Name: | us-gaap_OtherIncomeAndExpensesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
Name: | us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration