Segments - Summary of Financial Information by Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2017	Apr. 03, 2016	Jan. 01, 2017
Net sales:
Net sales	$ 865,702	$ 625,456
Income from operations:
Income from operations	13,608	12,401
Depreciation and amortization:
Depreciation and amortization	34,981	24,390
Capital expenditures (exclusive of acquisition):
Capital expenditures (exclusive of acquisition)	35,311	31,652
Total assets:
Total assets	2,664,820		$ 2,449,484
Operating Segments [Member] | Nonalcoholic Beverages [Member]
Net sales:
Net sales	832,395	606,928
Income from operations:
Income from operations	11,534	10,968
Depreciation and amortization:
Depreciation and amortization	33,002	22,908
Capital expenditures (exclusive of acquisition):
Capital expenditures (exclusive of acquisition)	31,197	24,994
Total assets:
Total assets	2,562,969		2,349,284
Operating Segments [Member] | All Other [Member]
Net sales:
Net sales	76,792	45,709
Income from operations:
Income from operations	2,074	1,433
Depreciation and amortization:
Depreciation and amortization	1,979	1,482
Capital expenditures (exclusive of acquisition):
Capital expenditures (exclusive of acquisition)	4,114	6,658
Total assets:
Total assets	107,608		105,785
Eliminations [Member]
Net sales:
Net sales	(43,485)	$ (27,181)
Total assets:
Total assets	$ (5,757)		$ (5,585)