Summary of Significant Accounting Policies - Additional Information (Detail)					3 Months Ended								12 Months Ended
	Aug. 11, 2016	Aug. 02, 2016 USD ($)	Jan. 04, 2016 USD ($)	Jan. 03, 2015 USD ($)	Dec. 31, 2016 USD ($)	Oct. 01, 2016 USD ($)	Jul. 02, 2016 USD ($)	Apr. 02, 2016 USD ($)	Jan. 02, 2016 USD ($)	Oct. 03, 2015 USD ($)	Jul. 04, 2015 USD ($)	Apr. 04, 2015 USD ($)	Dec. 31, 2016 USD ($) Segment	Jan. 02, 2016 USD ($)	Jan. 03, 2015 USD ($)	Apr. 11, 2016 USD ($)	May 30, 2014 USD ($)
Significant Accounting Policies [Line Items]
Additional Revenue				$ 29,100,000
Additional Operating income				1,100,000	$ (3,700,000)	$ 34,600,000	$ 36,600,000	$ 14,700,000	$ 18,000,000	$ 28,600,000	$ 46,100,000	$ 6,700,000	$ 82,200,000	$ 99,400,000	$ 15,700,000
Number of reporting segments | Segment													4
Vesting period of share-based compensation awards, in years													3 years
Estimated forfeitures included in the calculation of share-based compensation													0.00%	0.00%	0.00%
Number of operating segments | Segment													5
Goodwill				743,600,000	1,175,400,000				759,600,000				$ 1,175,400,000	$ 759,600,000	$ 743,600,000
Total intangible assets - Net					939,700,000				684,100,000				939,700,000	684,100,000
Intangible assets subject to amortization, net of accumulated amortization					637,600,000				456,000,000				637,600,000	456,000,000
Intangible assets impairment													0	0	0
Acquired rights					302,100,000				228,100,000				302,100,000	228,100,000
Impairment of long-lived assets													0	0	1,000,000
Loss on disposal of property, plant & equipment, net					2,200,000	800,000	$ 2,200,000	900,000	4,200,000	$ 1,100,000	$ 200,000	$ 1,400,000	6,100,000	6,900,000	1,700,000
Adjustment for new accounting pronouncement													(25,600,000)	22,700,000	61,400,000
Cumulative effect adjustment															0
Adjustments for New Accounting Pronouncement [Member]
Significant Accounting Policies [Line Items]
Adjustment for new accounting pronouncement						$ 1,300,000		$ 500,000					2,800,000
Cumulative effect adjustment													$ 2,800,000
Cott North America [Member]
Significant Accounting Policies [Line Items]
Discount rate													8.00%
Goodwill					$ 120,500,000								$ 120,500,000
Weighted-average terminal growth rate													1.00%
Percentage of fair value exceeding carrying value of reporting units					35.20%								35.20%
Customer Relationships [Member]
Significant Accounting Policies [Line Items]
Intangible assets subject to amortization, net of accumulated amortization					$ 596,700,000				422,900,000				$ 596,700,000	422,900,000
Information Technology [Member]
Significant Accounting Policies [Line Items]
Intangible assets subject to amortization, net of accumulated amortization					32,500,000				24,900,000				32,500,000	24,900,000
Trademarks [Member]
Significant Accounting Policies [Line Items]
Intangible assets subject to amortization, net of accumulated amortization					3,700,000				4,900,000				$ 3,700,000	4,900,000
DSS Group Inc [Member]
Significant Accounting Policies [Line Items]
Description of customer deposits													The Company generally collects deposits on three- and five-gallon bottles used by its HOD customers.
Discount rate													9.00%
Goodwill					$ 603,800,000								$ 603,800,000
Weighted-average terminal growth rate													2.50%
Percentage of fair value exceeding carrying value of reporting units					7.10%								7.10%
Water & Coffee Solutions [Member]
Significant Accounting Policies [Line Items]
Additional Revenue														12,500,000
Additional Operating income														$ 100,000
Number of shipping days														4 days
Advertising costs													$ 20,800,000	$ 18,000,000	400,000
Goodwill				$ 556,900,000	$ 1,003,600,000				$ 579,100,000				1,003,600,000	579,100,000	556,900,000
Water & Coffee Solutions [Member] | Selling, General and Administrative Expenses [Member]
Significant Accounting Policies [Line Items]
Shipping and handling costs													360,400,000	$ 281,900,000	10,600,000
RCI [Member]
Significant Accounting Policies [Line Items]
Goodwill					4,500,000								4,500,000
Impairment charges													0
Aimia Foods Holdings Limited [Member]
Significant Accounting Policies [Line Items]
Goodwill					40,200,000								40,200,000
Impairment charges													0
Core U.K. Operations [Member]
Significant Accounting Policies [Line Items]
Goodwill					$ 6,600,000								6,600,000
Impairment charges													$ 0
DSS Trademarks [Member]
Significant Accounting Policies [Line Items]
Percentage of fair value exceeding carrying value of reporting units					2.60%								2.60%
Aimia Foods Holdings Limited [Member]
Significant Accounting Policies [Line Items]
Acquisition Date													May 30, 2014	May 30, 2014
Goodwill																	$ 54,500,000
Aimia Foods Holdings Limited [Member] | Customer Relationships [Member]
Significant Accounting Policies [Line Items]
Acquired customer relationships															76,500,000
DSS Group Inc [Member]
Significant Accounting Policies [Line Items]
Goodwill					$ 574,400,000								$ 574,400,000
DSS Group Inc [Member] | Customer Relationships [Member]
Significant Accounting Policies [Line Items]
Acquired customer relationships															$ 219,800,000
Aquaterra Corporation [Member]
Significant Accounting Policies [Line Items]
Acquisition Date			Jan. 04, 2016
Goodwill			$ 19,200,000		21,200,000								21,200,000
Aquaterra Corporation [Member] | Customer Relationships [Member]
Significant Accounting Policies [Line Items]
Acquired customer relationships													11,400,000
Eden Acquisition [Member]
Significant Accounting Policies [Line Items]
Acquisition Date		Aug. 02, 2016
Goodwill		$ 277,200,000			299,700,000								299,700,000
Eden Acquisition [Member] | Customer Relationships [Member]
Significant Accounting Policies [Line Items]
Acquired customer relationships													134,100,000
S&D Acquisition [Member]
Significant Accounting Policies [Line Items]
Acquisition Date	Aug. 11, 2016
Goodwill					$ 117,100,000								117,100,000			$ 127,500,000
S&D Acquisition [Member] | Customer Relationships [Member]
Significant Accounting Policies [Line Items]
Acquired customer relationships													$ 113,700,000
Calypso [Member]
Significant Accounting Policies [Line Items]
Terminal growth rate						1.00%
Discount rate						12.50%