Significant Accounting Policies and New Accounting Pronouncements - Additional Information (Detail) - ASU 2017-07 [Member] - Other Expense [Member] - Nonalcoholic Beverages [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Oct. 01, 2017	Sep. 30, 2018	Oct. 01, 2017
Non-service Cost Components of Net Periodic Benefit Cost [Member]
Significant Accounting Policies And New Accounting Pronouncements [Line Items]
Net periodic benefit cost	$ 0.6		$ 2.0
Non-service Cost Components of Net Periodic Benefit Cost and Other Benefit Plan Charges [Member]
Significant Accounting Policies And New Accounting Pronouncements [Line Items]
Net periodic benefit cost		$ 1.3		$ 4.0