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Defined Benefit Pension Plans and Other Postretirement Benefit Plans - Estimated Future Payments (Details)
$ in Millions
Feb. 02, 2019
USD ($)
Pension Benefits  
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract]  
2019 $ 7.0
2020 6.7
2021 6.4
2022 6.4
2023 6.2
2024 – 2028 27.1
Other Benefits  
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract]  
2019 0.4
2020 0.4
2021 0.4
2022 0.4
2023 0.4
2024 – 2028 $ 1.9