Hedging Transactions and Derivative Financial Instruments - Summary of Fair Value of Coffee Futures Assets and Liabilities (Detail) - Coffee Futures - USD ($) $ in Millions	Jun. 30, 2018	Dec. 30, 2017
Derivative [Line Items]
Coffee futures assets	$ 2.2	$ 0.6
Coffee futures liabilities	(5.0)	(1.8)
Net asset (liability)	$ (2.8)	$ (1.2)

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

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