Guarantor Subsidiaries (Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries) - Condensed Consolidating Statement of Cash Flows (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	$ 269.8	$ 254.6	$ 56.7
Investing Activities
Acquisition, net of cash received	(959.4)	(24.0)	(798.5)
Additions to property, plant & equipment	(139.8)	(110.8)	(46.7)
Additions to intangible assets	(8.1)	(4.6)	(6.9)
Proceeds from sale of property, plant & equipment	8.8	40.9	1.8
Proceeds from insurance recoveries	1.5
Other investing activities	0.4	(1.2)
Net cash used in investing activities	(1,096.6)	(99.7)	(850.3)
Financing Activities
Payments of long-term debt	(3.6)	(3.7)	(393.6)
Issuance of long-term debt	498.7		1,150.0
Borrowings under ABL	2,403.2	994.5	959.0
Payments under ABL	(2,320.3)	(1,101.8)	(779.6)
Distributions to non-controlling interests	(7.7)	(8.5)	(8.5)
Issuance of common shares	366.8	143.1
Financing fees	(13.5)	(0.6)	(24.0)
Preferred shares repurchased and cancelled		(148.8)
Common shares repurchased and cancelled	(5.7)	(0.8)	(12.1)
Dividends paid to common and preferred shareholders	(31.4)	(31.0)	(22.8)
Payment of deferred consideration for acquisitions	(10.8)	(2.5)	(32.4)
Other financing activities			(0.3)
Net cash provided by (used in) financing activities	875.7	(160.1)	835.7
Effect of exchange rate changes on cash	(7.9)	(3.9)	(3.1)
Net (decrease) increase cash & cash equivalents	41.0	(9.1)	39.0
Cash & cash equivalents, beginning of period	77.1	86.2	47.2
Cash & cash equivalents, end of period	118.1	77.1	86.2
Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	269.8	254.6	56.7
Investing Activities
Acquisition, net of cash received	(959.4)	(24.0)	(798.5)
Additions to property, plant & equipment	(139.8)	(110.8)	(46.7)
Additions to intangible assets	(8.1)	(4.6)	(6.9)
Proceeds from sale of property, plant & equipment	8.8	40.9	1.8
Proceeds from insurance recoveries	1.5
Other investing activities	0.4	(1.2)
Net cash used in investing activities	(1,096.6)	(99.7)	(850.3)
Financing Activities
Payments of long-term debt	(3.6)	(3.7)	(393.6)
Issuance of long-term debt	498.7		1,150.0
Borrowings under ABL	2,403.2	994.5	959.0
Payments under ABL	(2,320.3)	(1,101.8)	(779.6)
Distributions to non-controlling interests	(7.7)	(8.5)	(8.5)
Issuance of common shares	366.8	143.1
Financing fees	(13.5)	(0.6)	(24.0)
Preferred shares repurchased and cancelled		(148.8)
Common shares repurchased and cancelled	(5.7)	(0.8)	(12.1)
Dividends paid to common and preferred shareholders	(31.4)	(31.0)	(22.8)
Payment of deferred consideration for acquisitions	(10.8)	(2.5)	(32.4)
Other financing activities			(0.3)
Net cash provided by (used in) financing activities	875.7	(160.1)	835.7
Effect of exchange rate changes on cash	(7.9)	(3.9)	(3.1)
Net (decrease) increase cash & cash equivalents	41.0	(9.1)	39.0
Cash & cash equivalents, beginning of period	77.1	86.2	47.2
Cash & cash equivalents, end of period	118.1	77.1	86.2
Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member] | Elimination Entries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	(61.7)	(30.2)	(63.8)
Financing Activities
Intercompany dividends	61.7	30.2	63.8
Net cash provided by (used in) financing activities	61.7	30.2	63.8
Cott Corporation [Member] | Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	127.5	56.2	42.0
Investing Activities
Acquisition, net of cash received	(954.0)
Additions to property, plant & equipment	(1.5)	(2.0)	(1.9)
Proceeds from sale of property, plant & equipment	0.8
Net cash used in investing activities	(954.7)	(2.0)	(1.9)
Financing Activities
Payments of long-term debt		(0.1)	(0.1)
Issuance of long-term debt	498.7
Borrowings under ABL	176.4
Payments under ABL	(178.7)
Issuance of common shares	366.8	143.1
Financing fees	(13.5)
Preferred shares repurchased and cancelled		(148.8)
Common shares repurchased and cancelled	(5.7)	(0.8)	(12.1)
Dividends paid to common and preferred shareholders	(31.4)	(31.0)	(22.8)
Net cash provided by (used in) financing activities	812.6	(37.6)	(35.0)
Effect of exchange rate changes on cash	(1.4)	(2.0)	(0.4)
Net (decrease) increase cash & cash equivalents	(16.0)	14.6	4.7
Cash & cash equivalents, beginning of period	20.8	6.2	1.5
Cash & cash equivalents, end of period	4.8	20.8	6.2
DSS Group Inc [Member] | Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	90.8	58.4	9.2
Investing Activities
Acquisition, net of cash received	(5.4)	(24.0)
Additions to property, plant & equipment	(72.4)	(67.2)	(3.6)
Additions to intangible assets	(3.8)	(3.1)
Proceeds from sale of property, plant & equipment	0.7	14.3
Net cash used in investing activities	(80.9)	(80.0)	(3.6)
Financing Activities
Intercompany financing transactions			28.8
Net cash provided by (used in) financing activities			28.8
Net (decrease) increase cash & cash equivalents	9.9	(21.6)	34.4
Cash & cash equivalents, beginning of period	12.8	34.4
Cash & cash equivalents, end of period	22.7	12.8	34.4
Guarantor Subsidiaries [Member] | Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	25.1	152.9	56.6
Investing Activities
Acquisition, net of cash received			(798.5)
Additions to property, plant & equipment	(54.4)	(40.3)	(40.4)
Additions to intangible assets	(3.9)	(1.5)	(6.9)
Proceeds from sale of property, plant & equipment	5.4	26.6	1.8
Proceeds from insurance recoveries	1.5
Other investing activities	0.4	(1.2)
Net cash used in investing activities	(51.0)	(16.4)	(844.0)
Financing Activities
Payments of long-term debt	(2.9)	(2.9)	(392.4)
Issuance of long-term debt			1,150.0
Borrowings under ABL	2,225.2	994.5	959.0
Payments under ABL	(2,140.2)	(1,101.8)	(779.6)
Financing fees		(0.6)	(24.0)
Payment of deferred consideration for acquisitions	(10.8)	(2.5)	(32.4)
Intercompany financing transactions			(28.8)
Other financing activities			(0.3)
Intercompany dividends	(27.0)	(21.4)	(63.8)
Net cash provided by (used in) financing activities	44.3	(134.7)	787.7
Effect of exchange rate changes on cash	(4.7)	(1.6)	(2.3)
Net (decrease) increase cash & cash equivalents	13.7	0.2	(2.0)
Cash & cash equivalents, beginning of period	38.4	38.2	40.2
Cash & cash equivalents, end of period	52.1	38.4	38.2
Non-Guarantor Subsidiaries [Member] | Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	88.1	17.3	12.7
Investing Activities
Additions to property, plant & equipment	(11.5)	(1.3)	(0.8)
Additions to intangible assets	(0.4)
Proceeds from sale of property, plant & equipment	1.9
Net cash used in investing activities	(10.0)	(1.3)	(0.8)
Financing Activities
Payments of long-term debt	(0.7)	(0.7)	(1.1)
Borrowings under ABL	1.6
Payments under ABL	(1.4)
Distributions to non-controlling interests	(7.7)	(8.5)	(8.5)
Intercompany dividends	(34.7)	(8.8)
Net cash provided by (used in) financing activities	(42.9)	(18.0)	(9.6)
Effect of exchange rate changes on cash	(1.8)	(0.3)	(0.4)
Net (decrease) increase cash & cash equivalents	33.4	(2.3)	1.9
Cash & cash equivalents, beginning of period	5.1	7.4	5.5
Cash & cash equivalents, end of period	$ 38.5	$ 5.1	$ 7.4