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Commitments and Contingencies - Aggregate Minimum Payments Under all Operating Leases and Vessel Charter Agreements (Detail)
$ in Millions
Dec. 29, 2017
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2018 $ 44.1
2019 38.0
2020 16.8
2021 10.2
2022 8.7
Thereafter 27.8
Total $ 145.6