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Restructuring - Summary of Activity in Restructuring Liability (Parenthetical) (Details) - USD ($) $ in Millions | 9 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring reserve | $ 7.9 |  | $ 8.7 |  | $ 1.9 | $ 4.5
Employee termination costs |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring reserve | $ 6.7 | [1] | 8.7 | [1] | 1.7 | 3.4
Payment period for restructuring costs | 12 months |  |  |  |  |
Other |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring reserve | $ 1.2 | [2] | $ 0.0 | [2] | $ 0.0 | $ 0.0
Payment period for restructuring costs | 12 months |  |  |  |  |
[1] | We expect the remaining $6.7 million employee termination costs to be substantially paid in the next twelve months.
[2] | We expect the remaining $1.2 million of other costs to be substantially paid in the next twelve months.

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