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v3.25.0.1

Segment information - Reconciliation of Segment Operating Income to Consolidated Income Before Income Taxes (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total gross profit | $ 585.9 | $ 551.3 | $ 529.6
Selling, general and administrative expense | (424.2) | (450.3) | (453.2)
Research and development expense | (25.2) | (24.1) | (24.2)
Goodwill impairment | (39.1) | 0.0 | 0.0
Interest expense | (31.9) | (30.8) | (32.4)
Other (expense), net | (140.8) | (393.9) | (82.4)
Loss before income taxes | (75.3) | (347.8) | (62.6)
Operating Segments |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total gross profit | 561.1 | 554.7 | 550.8
Segment Reconciling Items |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Total gross profit | $ 24.8 | $ (3.4) | $ (21.2)

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