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Restructuring charges, separation costs and impairment charges - Summary of Our Cost Estimates and Other Information (Details) - USD ($) $ in Millions | 3 Months Ended | 5 Months Ended | 11 Months Ended | 19 Months Ended
--- | --- | --- | --- | ---
Mar. 30, 2025 | Mar. 31, 2025 | Mar. 31, 2025 | Mar. 31, 2025
2024 Restructuring plan |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Capital expenditures, expected cash outlays | $ 0.0 |  |  |
Aggregate restructuring charges |  | $ 6.3 |  |
Restructuring reserve | 3.5 |  |  |
Restructuring expenses | 0.3 | $ 0.6 |  |
2024 Restructuring plan | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 9.0 |  |  |
Expected cash outlays | 9.0 |  |  |
2024 Restructuring plan | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 11.0 |  |  |
Expected cash outlays | 11.0 |  |  |
2024 Restructuring plan | Special Termination Benefit And Other Restructuring | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 6.0 |  |  |
2024 Restructuring plan | Special Termination Benefit And Other Restructuring | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 7.0 |  |  |
2024 Restructuring plan | Accelerated Depreciation And Other Costs | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 3.0 |  |  |
2024 Restructuring plan | Accelerated Depreciation And Other Costs | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 4.0 |  |  |
2024 Footprint realignment plan |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Aggregate restructuring charges |  |  | $ 12.3 |
Restructuring reserve | 11.2 |  |  |
Restructuring expenses | 3.8 |  | $ 10.4 |
2024 Footprint realignment plan | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 37.0 |  |  |
Expected cash outlays | 31.0 |  |  |
Capital expenditures, expected cash outlays | 15.0 |  |  |
2024 Footprint realignment plan | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 46.0 |  |  |
Expected cash outlays | 38.0 |  |  |
Capital expenditures, expected cash outlays | 17.0 |  |  |
2024 Footprint realignment plan | Special Termination Benefit And Other Restructuring | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 16.0 |  |  |
2024 Footprint realignment plan | Special Termination Benefit And Other Restructuring | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 20.0 |  |  |
2024 Footprint realignment plan | Accelerated Depreciation And Other Costs | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 21.0 |  |  |
2024 Footprint realignment plan | Accelerated Depreciation And Other Costs | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 26.0 |  |  |
2023 Footprint realignment plan |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Aggregate restructuring charges |  |  |  | $ 3.1
Restructuring reserve | 2.8 |  |  |
Restructuring expenses | 0.6 |  |  | $ 3.3
2023 Footprint realignment plan | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 11.0 |  |  |
Expected cash outlays | 11.0 |  |  |
Capital expenditures, expected cash outlays | 2.0 |  |  |
2023 Footprint realignment plan | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 15.0 |  |  |
Expected cash outlays | 15.0 |  |  |
Capital expenditures, expected cash outlays | 3.0 |  |  |
2023 Footprint realignment plan | Special Termination Benefit And Other Restructuring | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 4.0 |  |  |
2023 Footprint realignment plan | Special Termination Benefit And Other Restructuring | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 6.0 |  |  |
2023 Footprint realignment plan | Accelerated Depreciation And Other Costs | Minimum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | 7.0 |  |  |
2023 Footprint realignment plan | Accelerated Depreciation And Other Costs | Maximum |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Expected restructuring charges | $ 9.0 |  |  |

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