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v3.23.2

Components of Accumulated Other Comprehensive Loss - Components of AOCL (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Other comprehensive loss before income tax effect | $ (92.9) |  | $ (92.9) |  | $ (96.3)
Defined benefit plan liabilities | 2.2 |  | 2.2 |  | 2.3
Accumulated other comprehensive loss | (90.7) |  | (90.7) |  | (94.0)
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |  |
Beginning balance |  |  | 399.3 |  |
Net amount reclassified to net income (loss) | 2.2 | $ 0.8 | 3.3 | $ 1.4 |
Ending balance | 372.9 |  | 372.9 |  |
Defined benefit plan liabilities |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Other comprehensive loss before income tax effect | (94.6) |  | (94.6) |  | (98.0)
Defined benefit plan liabilities | 2.6 |  | 2.6 |  | 2.6
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |  |
Beginning balance | (94.4) | (83.4) | (95.6) | (84.0) |
Net amount reclassified to net income (loss) | 2.2 | 0.8 | 3.4 | 1.4 |
Ending balance | (92.2) | (82.6) | (92.2) | (82.6) |
Unrealized gain on financial instruments |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Other comprehensive loss before income tax effect | 1.7 |  | 1.7 |  | 1.7
Defined benefit plan liabilities | (0.4) |  | (0.4) |  | $ (0.3)
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |  |
Beginning balance | 1.5 | 1.7 | 1.6 | 1.7 |
Net amount reclassified to net income (loss) | 0.0 | (0.0) | (0.1) | 0.0 |
Ending balance | 1.5 | 1.7 | 1.5 | 1.7 |
Accumulated other comprehensive loss |  |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |  |
Beginning balance | (92.9) | (81.7) | (94.0) | (82.3) |
Ending balance | $ (90.7) | $ (80.9) | $ (90.7) | $ (80.9) |

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