Distribution Agreements, Net - Reconciliation of Activity for Other Identifiable Intangible Assets Net (Detail) - Distribution Agreements [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Jan. 01, 2017
Finite Lived Intangible Assets [Line Items]
Total Other Identifiable Intangible Assets, Beginning Balance	$ 234,988	$ 129,786
Conversion to distribution rights from franchise rights	533,040
System Transformation Transactions acquisitions	213,000	86,650
October 2017 Divestitures	(65,043)
Measurement period adjustment	16,000
Glacéau Distribution Agreement		21,032
Other distribution agreements	44	1,695
Additional accumulated amortization	(18,677)	(4,175)
Total Other Identifiable Intangible Assets, Ending Balance	$ 913,352	$ 234,988