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v3.22.2.2

Pension and Other Postretirement Benefits (Tables) | 9 Months Ended
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Sep. 30, 2022
Retirement Benefits [Abstract] |
Schedule of Net Benefit Costs [Table Text Block] | The components of net periodic pension and retiree medical income were as follows (in millions):
| Three Months Ended September 30, |  |  |
| 2022 |  | 2021 |  |  |
Interest cost | $ | 5.7 |  |  | $ | 5.8 |  |  |  |
Expected return on plan assets | (9.7) |  |  | (9.5) |  |  |  |
Net periodic pension and retiree medical income (1) | $ | (4.0) |  |  | $ | (3.7) |  |  |  |
| Successor |  |  | Predecessor
| Nine Months Ended September 30, 2022 |  | Five Months Ended September 30, 2021 |  |  | Four Months Ended April 30, 2021
Interest cost | $ | 16.8 |  |  | $ | 9.6 |  |  |  | $ | 6.6 |
Expected return on plan assets | (28.8) |  |  | (15.7) |  |  |  | (12.1) |
Amortization of net loss | (0.1) |  |  | — |  |  |  | 0.1 |
Net periodic pension and retiree medical income (1) | $ | (12.1) |  |  | $ | (6.1) |  |  |  | $ | (5.4) |
(1)Included in Other, net, in our Condensed Consolidated Statements of Operations.

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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