Segments - Summary of Financial Information by Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 01, 2017	Oct. 02, 2016	Oct. 01, 2017	Oct. 02, 2016	Jan. 01, 2017
Net sales:
Net sales	$ 1,162,526	$ 849,028	$ 3,197,519	$ 2,314,868
Income from operations:
Income from operations	36,130	39,801	97,051	106,938
Depreciation and amortization:
Depreciation and amortization	43,246	31,057	120,293	83,386
Capital expenditures (exclusive of acquisitions):
Capital expenditures (exclusive of acquisitions)	38,644	44,664	112,973	119,369
Total assets:
Total assets	2,911,096		2,911,096		$ 2,449,484
Operating Segments [Member] | Nonalcoholic Beverages [Member]
Net sales:
Net sales	1,103,017	826,683	3,043,587	2,251,491
Income from operations:
Income from operations	32,525	38,421	86,228	102,267
Depreciation and amortization:
Depreciation and amortization	41,151	29,263	114,166	78,469
Capital expenditures (exclusive of acquisitions):
Capital expenditures (exclusive of acquisitions)	33,675	33,675	99,021	94,501
Total assets:
Total assets	2,797,485		2,797,485		2,349,284
Operating Segments [Member] | All Other [Member]
Net sales:
Net sales	120,660	59,530	317,121	163,636
Income from operations:
Income from operations	3,605	1,380	10,823	4,671
Depreciation and amortization:
Depreciation and amortization	2,095	1,794	6,127	4,917
Capital expenditures (exclusive of acquisitions):
Capital expenditures (exclusive of acquisitions)	4,969	10,989	13,952	24,868
Total assets:
Total assets	118,862		118,862		105,785
Eliminations [Member]
Net sales:
Net sales	(61,151)	$ (37,185)	(163,189)	$ (100,259)
Total assets:
Total assets	$ (5,251)		$ (5,251)		$ (5,585)