XML 35 R22.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Other Expense, Net | 12 Months Ended
--- | ---
Dec. 31, 2021
Other Income And Expenses [Abstract] |
Other Expense, Net | 13. Other Expense, Net Other expense, net, consisted of the following (in millions of dollars):
|  | Year Ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Interest income |  | $ | 0.2 |  |  | $ | 0.6 |  |  | $ | 0.6 |
Net periodic postretirement benefit cost |  |  | (4.1 | ) |  |  | (4.7 | ) |  |  | (6.5 | )
Realized gain on available for sale securities |  |  | — |  |  |  | 2.0 |  |  |  | 4.4 |
Unrealized (loss) gain on equity securities |  |  | (0.2 | ) |  |  | 0.7 |  |  |  | 0.7 |
(Loss) gain on extinguishment of debt – Note 9 |  |  | (35.9 | ) |  |  | — |  |  |  | (20.3 | )
All other, net |  |  | 1.1 |  |  |  | — |  |  |  | 0.4 |
Other expense, net |  | $ | (38.9 | ) |  | $ | (1.4 | ) |  | $ | (20.7 | )

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 The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -URI http://asc.fasb.org/topic&trid=2122503 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 610 -URI http://asc.fasb.org/topic&trid=49130413 + Details
Name: | us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration