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Restructuring Costs - Schedule of Changes in Restructuring Reserve (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2024
Restructuring Cost and Reserve [Line Items] |  |  |
Balance, beginning of period |  |  | $ 90.0
Severance costs |  |  | 34.1
Lease costs | [1] |  | 3.0
Other Costs |  |  | 0.5
Non-cash charges |  |  | (3.0)
Costs paid |  | $ (19.7) | (70.7)
Balance, end of period |  | 53.9 | 53.9
Reportable segments | Americas |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Balance, beginning of period | [2] |  | 4.8
Severance costs | [2] |  | 4.4
Lease costs | [1],[2] |  | 0.4
Other Costs | [2] |  | 0.0
Non-cash charges | [2] |  | (0.4)
Costs paid | [2] |  | (4.2)
Balance, end of period | [2] | 5.0 | 5.0
Reportable segments | Southern Europe |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Balance, beginning of period | [3] |  | 5.9
Severance costs | [3] |  | 3.3
Lease costs | [1],[3] |  | 0.1
Other Costs | [3] |  | 0.4
Non-cash charges | [3] |  | (0.1)
Costs paid | [3] |  | (4.6)
Balance, end of period | [3] | 5.0 | 5.0
Reportable segments | Northern Europe |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Balance, beginning of period |  |  | 78.9
Severance costs |  |  | 24.1
Lease costs | [1] |  | 2.5
Other Costs |  |  | 0.1
Non-cash charges |  |  | (2.5)
Costs paid |  |  | (61.6)
Balance, end of period |  | 41.5 | 41.5
Reportable segments | APME |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Balance, beginning of period |  |  | 0.4
Severance costs |  |  | 2.3
Lease costs | [1] |  | 0.0
Other Costs |  |  | 0.0
Non-cash charges |  |  | 0.0
Costs paid |  |  | (0.3)
Balance, end of period |  | 2.4 | 2.4
Corporate |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Balance, beginning of period |  |  | 0.0
Severance costs |  |  | 0.0
Lease costs | [1] |  | 0.0
Other Costs |  |  | 0.0
Non-cash charges |  |  | 0.0
Costs paid |  |  | 0.0
Balance, end of period |  | $ 0.0 | $ 0.0
[1] | Liabilities related to exited leased facilities are recorded within our short-term and long-term operating lease liabilities within our Consolidated Balance Sheets.
[2] | Balances related to the United States were $3.7 and $3.2 as of December 31, 2023 and September 30, 2024, respectively
[3] | Balances related to France were $2.5 and $3.0 as of December 31, 2023 and September 30, 2024, respectively. Balances related to Italy were $1.0 and $0.5 as of December 31, 2023 and September 30, 2024, respectively.

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