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Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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Revision of Previously Reported Financial Information - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017	Jun. 30, 2018	Mar. 31, 2018	Jan. 30, 2018	Dec. 30, 2017
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accounts payable and accrued liabilities	$ 463.4		$ 463.4		$ 431.8	$ 450.1		$ 412.9
Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Accounts payable and accrued liabilities					$ 10.3	$ 10.3
Discontinued Operations, Disposed of by Sale \| Traditional CSD and Juice Business
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Aggregate deal consideration							$ 1,250.0
Gain on sale of discontinued operations	$ 0.6	$ 0.0	$ 427.6	$ 0.0