Hedging Transactions and Derivative Financial Instruments - Summary of Reconciliation of Company's Derivatives by Contract Type (Detail) - USD ($) $ in Millions	Dec. 29, 2018	Dec. 30, 2017
Derivative [Line Items]
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	$ 0.0	$ 0.0
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	(10.9)	(1.2)
Aggregate Margin Account Balances	12.9	5.3
Coffee Futures
Derivative [Line Items]
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	0.0	0.0
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	$ (10.9)	$ (1.2)