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Other Income (Expense) - Net - Computation of Other Income (Expense) - Net (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 02, 2022 | Jul. 03, 2021 | Jul. 02, 2022 | Jul. 03, 2021
Other Income and Expenses [Abstract] |  |  |  |
Interest income | $ 1.6 | $ 0.4 | $ 2.1 | $ 0.8
Net foreign exchange gain (loss) | (1.6) | 0.2 | (2.6) | 0.0
Net periodic pension and postretirement benefits – non-service | 9.3 | 3.8 | 18.1 | 7.6
Foreign currency translation loss from sale of equity interest | 0.0 | (1.0) | 0.0 | (1.0)
Other | 0.0 | 0.0 | 0.0 | 0.3
Total other income (expense) – net | $ 9.3 | $ 3.4 | $ 17.6 | $ 7.7

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