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Restructuring - Summary of Activity in Restructuring Liability (Parenthetical) (Details) - USD ($) $ in Millions | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring reserve | $ 23.1 |  | $ 28.4 | $ 9.5 | $ 8.7
Employee termination costs |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring reserve | $ 22.3 | [1] | 27.5 | 8.9 | 8.7
Payment period for restructuring costs | 12 months |  |  |  |
Other |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring reserve | $ 0.8 | [2] | $ 0.9 | $ 0.6 | $ 0.0
Payment period for restructuring costs | 9 months |  |  |  |
[1] | We expect the remaining $22.3 million employee termination costs to be substantially paid in the next twelve months.
[2] | We expect the remaining $0.8 million of other costs to be substantially paid in the next nine months.

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