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Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Dec. 29, 2024 | Dec. 31, 2023 | Jan. 01, 2023
--- | --- | --- | ---
Deferred income tax assets |  |  |
Net operating loss tax carryovers | $ 73.4 | $ 133.0 |
Pensions | 6.0 | 2.2 |
Postretirement benefits other than pensions | 45.2 | 48.5 |
Tax credits | 44.0 | 43.5 |
Research and development | 25.7 | 20.7 |
Inventory valuation | 24.3 | 1.1 |
Other items | 102.8 | 107.5 |
Gross deferred income tax assets | 321.4 | 356.5 |
Valuation allowance for deferred tax assets | (57.7) | (60.3) | $ (266.9)
Total deferred income tax assets | 263.7 | 296.2 |
Deferred income tax liabilities |  |  |
Bases of property, plant and equipment | 180.5 | 124.8 |
Basis of amortizable intangible assets | 13.4 | 14.9 |
Other items | 28.0 | 25.5 |
Total deferred tax liabilities | 221.9 | 165.2 |
Net deferred tax asset | $ 41.8 | $ 131.0 |

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