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Restructuring (Tables) | 6 Months Ended
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Jun. 30, 2024
2024 Plan |
Restructuring Cost and Reserve [Line Items] |
Summary of Activity Relating to Restructuring Plan Liabilities | The following table summarizes activity relating to the 2024 Restructuring Plan liabilities (in millions of dollars):
BALANCE, March 31, 2024 |  | $ | — |
Restructuring costs |  |  | 6.8 |
Costs paid or otherwise settled 1 |  |  | (0.6 | )
BALANCE, June 30, 2024 |  | $ | 6.2 |
1. Cash paid during the quarter ended June 30, 2024 was $0.6 million.
2022 Plan |
Restructuring Cost and Reserve [Line Items] |
Summary of Activity Relating to Restructuring Plan Liabilities | The following table summarizes activity relating to the 2022 Restructuring Plan liabilities (in millions of dollars):
BALANCE, December 31, 2023 |  | $ | 1.2 |
Restructuring costs |  |  | 0.1 |
Costs paid or otherwise settled 1 |  |  | (1.2 | )
BALANCE, March 31, 2024 |  |  | 0.1 |
Restructuring costs |  |  | — |
Costs paid or otherwise settled 1 |  |  | (0.1 | )
BALANCE, June 30, 2024 |  | $ | — |
1. Cash paid during the quarters ended March 31, 2024 and June 30, 2024 was $1.1 million and $0.1 million, respectively.

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