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Accumulated Other Comprehensive Loss (Tables) | 9 Months Ended
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Sep. 30, 2022
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] | Accumulated other comprehensive loss, net of tax, is comprised of the following:
| Pension Plan Adjustments | Other Post Retirement Employee Benefit Plan Adjustments | Total
Balance at December 31, 2020 | $ | (54.5) |  | $ | 0.2 |  | $ | (54.3) |
Other comprehensive income (loss) before reclassifications | — |  | (2.8) |  | (2.8) |
Amounts reclassified from accumulated other comprehensive loss | 5.7 |  | 0.2 |  | 5.8 |
Balance at September 30, 2021 | $ | (48.9) |  | $ | (2.4) |  | $ | (51.3) |
Balance at December 31, 2021 | $ | (42.8) |  | $ | 0.3 |  | $ | (42.6) |
Amounts reclassified from accumulated other comprehensive loss | 3.5 |  | — |  | 3.5 |
Balance at September 30, 2022 | $ | (39.4) |  | $ | 0.3 |  | $ | (39.1) |

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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