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Summary of Significant Accounting Policies - Schedule of Changes in Restructuring Reserve (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Restructuring Cost and Reserve [Line Items] |  |  |
Balance, beginning of period |  | $ 13.2 | $ 23.3
Severance costs |  | 113.9 | 2.6
Other costs |  | 35.3 | 1.0
Payments for Restructuring |  | (72.4) | (13.7)
Balance at end of year |  | 90.0 | 13.2
Reportable segments | Americas |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Balance, beginning of period | [1] | 1.0 | 1.0
Severance costs | [1] | 11.5 | 1.7
Other costs | [1] | 0.0 | 0.0
Payments for Restructuring | [1] | (7.7) | (1.7)
Balance at end of year | [1] | 4.8 | 1.0
Reportable segments | Southern Europe |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Balance, beginning of period | [2] | 1.0 | 0.8
Severance costs | [2] | 11.3 | 0.0
Other costs | [2] | 2.3 | 0.9
Payments for Restructuring | [2] | (8.7) | (0.7)
Balance at end of year | [2] | 5.9 | 1.0
Reportable segments | Northern Europe |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Balance, beginning of period |  | 11.0 | 21.5
Severance costs |  | 87.4 | 0.8
Other costs |  | 33.0 | 0.0
Payments for Restructuring |  | 52.5 | 11.3
Balance at end of year |  | 78.9 | 11.0
Reportable segments | APME |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Balance, beginning of period |  | 0.2 | 0.0
Severance costs |  | 3.3 | 0.1
Other costs |  | 0.0 | 0.1
Payments for Restructuring |  | 3.1 | 0.0
Balance at end of year |  | 0.4 | 0.2
Corporate |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Balance, beginning of period |  | 0.0 | 0.0
Severance costs |  | 0.4 | 0.0
Other costs |  | 0.0 |
Payments for Restructuring |  | (0.4) | 0.0
Balance at end of year |  | $ 0.0 | $ 0.0
[1] | Balance related to United States was $0.2 as of December 31, 2021. In 2022, United States incurred $0.8 for severance costs and paid $0.4, leaving a $0.6 liability as of December 31, 2022. In 2023, United States incurred $7.7 for severance costs and paid $4.6, leaving a $3.7 liability as of December 31, 2023.
[2] | France had a $0.6 liability as of December 31, 2021. In 2022, France incurred $0.9 for other costs and paid $0.6, leaving a $0.9 liability as of December 31, 2022. In 2023, France incurred $2.1 for severance costs, $0.4 for other costs and paid $0.9, leaving a $2.5 liability as of December 31, 2023. Balance related to Italy was $$0.3 as of December 31, 2021. In 2022, Italy paid $0.3, leaving no liability as of December 31, 2022. In 2023, Italy incurred $1.6 for severance costs and paid $0.6, leaving a $1.0 liability as of December 31, 2023.

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