Guarantor Subsidiaries (Cott Corporation, CBI, Cott Guarantor Subsidiaries and our other non-guarantor subsidiaries) - Consolidating Statements of Condensed Cash Flows (Detail) - USD ($) $ in Millions	3 Months Ended			6 Months Ended	9 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Jul. 02, 2016	Jul. 02, 2016	Sep. 30, 2017	Oct. 01, 2016	Dec. 31, 2016
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities from continuing operations	$ 46.2	$ 51.1	$ 85.0	$ 63.4	$ 138.7	$ 71.9
Investing Activities
Acquisitions, net of cash received	(3.4)	(912.5)			(33.4)	(958.7)
Additions to property, plant & equipment	(38.2)	(32.4)	(31.9)	(58.5)	(97.1)	(69.3)
Additions to intangible assets	(3.4)	(1.2)			(6.0)	(2.3)
Proceeds from sale of property, plant & equipment	3.1	1.3			6.0	1.5
Other investing activities	0.5				0.9
Net cash used in investing activities from continuing operations	(41.4)	(944.8)	(34.5)	(105.1)	(129.6)	(1,028.8)
Financing Activities
Payments of long-term debt	(0.3)	(0.8)			(101.9)	(0.9)
Issuance of long-term debt			498.7	498.7	750.0	498.7
Premiums and costs paid upon extinguishment of long-term debt					(7.7)
Financing fees		(9.6)			(11.1)	(9.6)
Issuance of common shares	2.1	2.4			2.9	366.6
Common shares repurchased and cancelled	(0.1)	(3.4)			(1.9)	(4.5)
Dividends paid to common shareowners	(8.4)	(8.4)			(25.1)	(23.1)
Payment of deferred consideration for acquisitions		(10.8)				(10.8)
Other financing activities					0.5
Net cash (used in) provided by financing activities from continuing operations	(6.7)	(30.6)	646.2	717.4	605.7	816.4
Cash Flows from Discontinued Operations
Net cash (used in) provided by operating activities from discontinued operations	47.4	44.9			56.1	87.5
Net cash provided by (used in) investing activities from discontinued operations	(13.3)	(8.2)			(36.7)	(29.3)
Net cash (used in) provided by financing activities from discontinued operations	(9.2)	257.9			(610.5)	128.3
Net cash (used in) provided by discontinued operations	24.9	294.6			(591.1)	186.5
Effect of exchange rate changes on cash	2.0	(4.0)	0.8	(0.2)	6.4	(4.2)
Net increase (decrease) in cash, cash equivalents and restricted cash	25.0	(633.7)	697.5	675.5	30.1	41.8
Cash & cash equivalents, beginning of period	123.2	752.6		77.1	118.1	77.1
Cash & cash equivalents, end of period	148.2	118.9	752.6	752.6	148.2	118.9
Cash & cash equivalents from discontinued operations, end of period	66.2	27.5			66.2	27.5
Cash & cash equivalents from continuing operations, end of period	82.0	91.4			82.0	91.4	$ 78.1
Cott Corporation, CBI, Cott Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities from continuing operations	46.2	51.1			138.7	71.9
Investing Activities
Acquisitions, net of cash received	(3.4)	(912.5)			(33.4)	(958.7)
Additions to property, plant & equipment	(38.2)	(32.4)			(97.1)	(69.3)
Additions to intangible assets	(3.4)	(1.2)			(6.0)	(2.3)
Proceeds from sale of property, plant & equipment	3.1	1.3			6.0	1.5
Other investing activities	0.5				0.9
Net cash used in investing activities from continuing operations	(41.4)	(944.8)			(129.6)	(1,028.8)
Financing Activities
Payments of long-term debt	(0.3)	(0.8)			(101.9)	(0.9)
Issuance of long-term debt					750.0	498.7
Premiums and costs paid upon extinguishment of long-term debt					(7.7)
Financing fees		(9.6)			(11.1)	(9.6)
Issuance of common shares	2.1	2.4			2.9	366.6
Common shares repurchased and cancelled	(0.1)	(3.4)			(1.9)	(4.5)
Dividends paid to common shareowners	(8.4)	(8.4)			(25.1)	(23.1)
Payment of deferred consideration for acquisitions		(10.8)				(10.8)
Other financing activities					0.5
Net cash (used in) provided by financing activities from continuing operations	(6.7)	(30.6)			605.7	816.4
Cash Flows from Discontinued Operations
Net cash (used in) provided by operating activities from discontinued operations	47.4	44.9			56.1	87.5
Net cash provided by (used in) investing activities from discontinued operations	(13.3)	(8.2)			(36.7)	(29.3)
Net cash (used in) provided by financing activities from discontinued operations	(9.2)	257.9			(610.5)	128.3
Net cash (used in) provided by discontinued operations	24.9	294.6			(591.1)	186.5
Effect of exchange rate changes on cash	2.0	(4.0)			6.4	(4.2)
Net increase (decrease) in cash, cash equivalents and restricted cash	25.0	(633.7)			30.1	41.8
Cash & cash equivalents, beginning of period	123.2	752.6		77.1	118.1	77.1
Cash & cash equivalents, end of period	148.2	118.9	752.6	752.6	148.2	118.9
Cash & cash equivalents from discontinued operations, end of period	66.2	27.5			66.2	27.5
Cash & cash equivalents from continuing operations, end of period	82.0	91.4			82.0	91.4	78.1
Cott Corporation, CBI, Cott Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member] | Elimination Entries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities from continuing operations	102.2	(54.5)			(10.0)	(103.7)
Investing Activities
Intercompany loan to affiliate					750.0
Net cash used in investing activities from continuing operations					750.0
Financing Activities
Proceeds from intercompany loan from affiliate	(109.5)				(109.5)
Intercompany dividends		13.9			10.9	26.1
Net cash (used in) provided by financing activities from continuing operations	(109.5)	13.9			(98.6)	26.1
Cash Flows from Discontinued Operations
Net cash (used in) provided by operating activities from discontinued operations	(103.8)	37.8			(4.3)	58.6
Net cash provided by (used in) investing activities from discontinued operations	109.5				109.5
Net cash (used in) provided by financing activities from discontinued operations	1.6	2.8			(746.6)	19.0
Net cash (used in) provided by discontinued operations	7.3	40.6			(641.4)	77.6
Cott Corporation, CBI, Cott Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member] | Cott Corporation [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities from continuing operations	(0.1)	(0.3)			0.5	1.4
Investing Activities
Acquisitions, net of cash received		(911.3)				(954.0)
Net cash used in investing activities from continuing operations		(911.3)				(954.0)
Financing Activities
Issuance of long-term debt						498.7
Financing fees		(9.6)				(9.6)
Issuance of common shares	2.1	2.4			2.9	366.6
Common shares repurchased and cancelled	(0.1)	(3.4)			(1.9)	(4.5)
Dividends paid to common shareowners	(8.4)	(8.4)			(25.1)	(23.1)
Net cash (used in) provided by financing activities from continuing operations	(6.4)	(19.0)			(24.1)	828.1
Cash Flows from Discontinued Operations
Net cash (used in) provided by operating activities from discontinued operations	7.6	252.2			27.0	112.2
Net cash provided by (used in) investing activities from discontinued operations	(0.5)	0.4			(1.9)	(0.6)
Net cash (used in) provided by financing activities from discontinued operations		(2.3)				(5.2)
Net cash (used in) provided by discontinued operations	7.1	250.3			25.1	106.4
Effect of exchange rate changes on cash	0.1	(4.1)			(0.5)	(1.4)
Net increase (decrease) in cash, cash equivalents and restricted cash	0.7	(684.4)			1.0	(19.5)
Cash & cash equivalents, beginning of period	5.1	685.7		20.8	4.8	20.8
Cash & cash equivalents, end of period	5.8	1.3	685.7	685.7	5.8	1.3
Cash & cash equivalents from discontinued operations, end of period	5.8	1.3			5.8	1.3
Cott Corporation, CBI, Cott Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member] | Subsidiaries [Member] | Cott Beverages Inc. [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities from continuing operations		0.4				0.4
Investing Activities
Additions to property, plant & equipment		(0.4)				(0.4)
Net cash used in investing activities from continuing operations		(0.4)				(0.4)
Cash Flows from Discontinued Operations
Net cash (used in) provided by operating activities from discontinued operations	132.8	(258.1)			15.7	(112.3)
Net cash provided by (used in) investing activities from discontinued operations	(117.7)	(5.0)			(138.0)	(18.0)
Net cash (used in) provided by financing activities from discontinued operations	(7.8)	262.9			142.6	131.5
Net cash (used in) provided by discontinued operations	7.3	(0.2)			20.3	1.2
Net increase (decrease) in cash, cash equivalents and restricted cash	7.3	(0.2)			20.3	1.2
Cash & cash equivalents, beginning of period	16.1	2.4		1.0	3.1	1.0
Cash & cash equivalents, end of period	23.4	2.2	2.4	2.4	23.4	2.2
Cash & cash equivalents from discontinued operations, end of period	23.4	2.2			23.4	2.2
Cott Corporation, CBI, Cott Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member] | Guarantor Subsidiaries [Member] | Cott Beverages Inc. [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities from continuing operations	(70.6)	53.0			118.4	121.2
Investing Activities
Acquisitions, net of cash received	(1.1)	(1.2)			(30.0)	(4.7)
Additions to property, plant & equipment	(30.0)	(27.9)			(73.1)	(64.8)
Additions to intangible assets	(3.1)	(1.2)			(5.1)	(2.3)
Proceeds from sale of property, plant & equipment	1.1	0.9			3.3	1.1
Intercompany loan to affiliate					(750.0)
Other investing activities	0.5				0.9
Net cash used in investing activities from continuing operations	(32.6)	(29.4)			(854.0)	(70.7)
Financing Activities
Payments of long-term debt	(0.2)	(0.2)			(100.2)	(0.3)
Issuance of long-term debt					750.0
Premiums and costs paid upon extinguishment of long-term debt					(7.7)
Financing fees					(11.1)
Proceeds from intercompany loan from affiliate	109.5				109.5
Payment of deferred consideration for acquisitions		(10.8)				(10.8)
Intercompany dividends						(12.2)
Net cash (used in) provided by financing activities from continuing operations	109.3	(11.0)			740.5	(23.3)
Cash Flows from Discontinued Operations
Net cash (used in) provided by operating activities from discontinued operations	4.7	7.7			6.1	13.9
Net cash provided by (used in) investing activities from discontinued operations	(4.1)	(3.5)			(4.9)	(10.0)
Net cash (used in) provided by financing activities from discontinued operations	(0.1)				(0.2)	(4.5)
Net cash (used in) provided by discontinued operations	0.5	4.2			1.0	(0.6)
Effect of exchange rate changes on cash	1.1	(0.5)			4.0	(3.3)
Net increase (decrease) in cash, cash equivalents and restricted cash	7.7	16.3			9.9	23.3
Cash & cash equivalents, beginning of period	73.9	57.2		50.2	71.7	50.2
Cash & cash equivalents, end of period	81.6	73.5	57.2	57.2	81.6	73.5
Cash & cash equivalents from discontinued operations, end of period	26.4	17.0			26.4	17.0
Cash & cash equivalents from continuing operations, end of period	55.2	56.5			55.2	56.5	46.3
Cott Corporation, CBI, Cott Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member] | Non-Guarantor Subsidiaries [Member] | Cott Beverages Inc. [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities from continuing operations	14.7	52.5			29.8	52.6
Investing Activities
Acquisitions, net of cash received	(2.3)				(3.4)
Additions to property, plant & equipment	(8.2)	(4.1)			(24.0)	(4.1)
Additions to intangible assets	(0.3)				(0.9)
Proceeds from sale of property, plant & equipment	2.0	0.4			2.7	0.4
Net cash used in investing activities from continuing operations	(8.8)	(3.7)			(25.6)	(3.7)
Financing Activities
Payments of long-term debt	(0.1)	(0.6)			(1.7)	(0.6)
Other financing activities					0.5
Intercompany dividends		(13.9)			(10.9)	(13.9)
Net cash (used in) provided by financing activities from continuing operations	(0.1)	(14.5)			(12.1)	(14.5)
Cash Flows from Discontinued Operations
Net cash (used in) provided by operating activities from discontinued operations	6.1	5.3			11.6	15.1
Net cash provided by (used in) investing activities from discontinued operations	(0.5)	(0.1)			(1.4)	(0.7)
Net cash (used in) provided by financing activities from discontinued operations	(2.9)	(5.5)			(6.3)	(12.5)
Net cash (used in) provided by discontinued operations	2.7	(0.3)			3.9	1.9
Effect of exchange rate changes on cash	0.8	0.6			2.9	0.5
Net increase (decrease) in cash, cash equivalents and restricted cash	9.3	34.6			(1.1)	36.8
Cash & cash equivalents, beginning of period	28.1	7.3		5.1	38.5	5.1
Cash & cash equivalents, end of period	37.4	41.9	$ 7.3	$ 7.3	37.4	41.9
Cash & cash equivalents from discontinued operations, end of period	10.6	7.0			10.6	7.0
Cash & cash equivalents from continuing operations, end of period	$ 26.8	$ 34.9			$ 26.8	$ 34.9	$ 31.8