Segments - Summary of Financial Information by Segment (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Oct. 01, 2017	Jul. 02, 2017	Apr. 02, 2017	Jan. 01, 2017	Oct. 02, 2016	Jul. 03, 2016	Apr. 03, 2016	Dec. 31, 2017	Jan. 01, 2017	Jan. 03, 2016
Net Sales:
Net sales	$ 1,126,149	$ 1,162,526	$ 1,169,291	$ 865,702	$ 841,560	$ 849,028	$ 840,384	$ 625,456	$ 4,323,668	$ 3,156,428	$ 2,306,458
Income from operations:
Income from operations									96,179	127,859	98,144
Depreciation and Amortization:
Depreciation and Amortization									168,841	116,623	80,896
Total Assets:
Total Assets	3,072,960				2,449,484				3,072,960	2,449,484
Operating Segments [Member] | Nonalcoholic Beverages [Member]
Net Sales:
Net sales									4,243,007	3,060,937	2,245,836
Income from operations:
Income from operations									84,775	123,230	92,921
Depreciation and Amortization:
Depreciation and Amortization									160,524	109,716	76,127
Total Assets:
Total Assets	2,958,521				2,349,284				2,958,521	2,349,284
Operating Segments [Member] | All Other [Member]
Net Sales:
Net sales									301,801	234,732	160,191
Income from operations:
Income from operations									11,404	4,629	5,223
Depreciation and Amortization:
Depreciation and Amortization									8,317	6,907	4,769
Total Assets:
Total Assets	119,894				105,785				119,894	105,785
Eliminations [Member]
Net Sales:
Net sales									(221,140)	(139,241)	$ (99,569)
Total Assets:
Total Assets	$ (5,455)				$ (5,585)				$ (5,455)	$ (5,585)