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Restructuring Activities - Total Costs Incurred and Expected to be Incurred (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Restructuring Cost and Reserve [Line Items] |  |  |  |
Incurred cost | $ 1.8 | $ 1.7 | $ 9.4 | $ 33.0
Severance related personnel costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Incurred cost | 0.0 | 0.0 | 0.0 | 8.9
Lease termination costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Incurred cost | 1.7 | 1.7 | 7.5 | 18.8
Accelerated depreciation |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Incurred cost | $ 0.1 | $ 0.0 | $ 1.9 | $ 5.3

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