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Property, Plant and Equipment - Future Minimum Rental Payments for Operating Leases (Detail)
$ in Millions
Dec. 30, 2017
USD ($)
Property, Plant and Equipment [Abstract]  
2018 $ 31.2
2019 30.2
2020 26.8
2021 25.1
2022 23.3
Thereafter 120.8
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals $ 19.1