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Summary of Significant Accounting Policies - Schedule of Changes in Restructuring Reserve (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Restructuring Cost and Reserve [Line Items] |  |  |  |
Lease costs |  | $ 160.8 | $ 151.8 | $ 155.4
Costs paid |  | (72.9) | (93.7) |
Balance at end of year |  | 35.1 |  |
Reportable segments |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Balance, beginning of period |  | 46.5 | 90.0 |
Severance costs |  | 61.5 | 47.5 |
Lease costs | [1] | 2.7 | 3.4 |
Other costs |  |  | 2.7 |
Non-cash charges |  | (2.7) | (3.4) |
Costs paid |  | (72.9) | (93.7) |
Balance at end of year |  | 35.1 | 46.5 | 90.0
Reportable segments | Americas |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Balance, beginning of period | [2] | 5.7 | 4.8 |
Severance costs | [2] | 5.1 | 8.6 |
Lease costs | [1],[2] | 1.1 | 0.5 |
Other costs | [2] |  | 0.1 |
Non-cash charges | [2] | (1.1) | (0.5) |
Costs paid | [2] | (8.1) | (7.8) |
Balance at end of year | [2] | 2.7 | 5.7 | 4.8
Reportable segments | Southern Europe |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Balance, beginning of period | [3] | 4.4 | 5.9 |
Severance costs | [3] | 15.4 | 5.4 |
Lease costs | [1],[3] | 0.0 | 0.1 |
Other costs | [3] |  | 0.8 |
Non-cash charges | [3] | 0.0 | (0.1) |
Costs paid | [3] | (11.8) | (7.7) |
Balance at end of year | [3] | 8.0 | 4.4 | 5.9
Reportable segments | Northern Europe |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Balance, beginning of period |  | 32.1 | 78.9 |
Severance costs |  | 42.1 | 28.8 |
Lease costs | [1] | 1.6 | 2.8 |
Other costs |  |  | 1.8 |
Non-cash charges |  | (1.6) | (2.8) |
Costs paid |  | (50.0) | (77.4) |
Balance at end of year |  | 24.2 | 32.1 | 78.9
Reportable segments | APME |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Balance, beginning of period |  | 2.4 | 0.4 |
Severance costs |  | 0.1 | 2.8 |
Lease costs | [1] | 0.0 | 0.0 |
Other costs |  |  | 0.0 |
Non-cash charges |  | 0.0 | 0.0 |
Costs paid |  | (2.3) | (0.8) |
Balance at end of year |  | 0.2 | 2.4 | 0.4
Corporate |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Balance, beginning of period |  | 1.9 | 0.0 |
Severance costs |  | (1.2) | 1.9 |
Lease costs | [1] | 0.0 | 0.0 |
Other costs |  |  | 0.0 |
Non-cash charges |  | 0.0 | 0.0 |
Costs paid |  | (0.7) | 0.0 |
Balance at end of year |  | $ 0.0 | $ 1.9 | $ 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] | Balance related to United States was $3.7 as of December 31, 2023. In 2024, United States incurred $6.0 for severance costs, $0.1 for other costs and paid $5.8, leaving a $4.0 liability as of December 31, 2024. In 2025, United States incurred $2.6 for severance costs and paid $6.0, leaving a $0.6 li ability as of December 31, 2025.
[3] | France had a $2.5 liab ility as of December 31, 2023. In 2024, France incur red $1.3 for severance costs, $0.5 for other costs and paid $3.1, leaving a $1.2 liability as of December 31, 2024. In 2025, France incurred $5.0 for severance costs and paid $3.1, leaving a $3.1 liabilit y as of December 31, 2025. As of December 31, 2023, Italy had a $1.0 liability. In 2024, I taly incurred $1.9 for severance costs, $0.1 for other costs and paid $1.0, leaving a $2.0 lia bility as of December 31, 2024. In 2025, Italy incurred $0.4 f or severance costs and paid $1.8, leaving a $0.6 liability as of December 31, 2025.

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