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Pension Plans and Postretirement Benefits (Estimated Future Benefit Payments) (Details)
$ in Millions
Dec. 29, 2019
USD ($)
Postretirement Plans  
Defined Benefit Plan Disclosure [Line Items]  
2020 $ 0.9
2021 0.8
2022 0.8
2023 0.7
2024 0.7
2025-2029 2.7
Total 6.6
United States | Pension Benefits  
Defined Benefit Plan Disclosure [Line Items]  
2020 55.0
2021 55.0
2022 56.6
2023 55.8
2024 55.4
2025-2029 271.7
Total 549.5
Foreign Plan | Pension Benefits  
Defined Benefit Plan Disclosure [Line Items]  
2020 2.5
2021 2.1
2022 2.1
2023 2.4
2024 2.5
2025-2029 12.6
Total $ 24.2