Guarantor Subsidiaries (Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries) - Consolidating Balance Sheets (Detail) - USD ($) $ in Millions	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Jul. 02, 2016	Apr. 02, 2016	Jan. 02, 2016
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	$ 123.2	$ 530.5	$ 118.1	$ 249.5	$ 55.1	$ 77.1
Accounts receivable, net of allowance	486.7		403.9
Inventories	324.6		301.4
Prepaid expenses and other current assets	37.6		29.8
Total current assets	972.1		853.2
Property, plant & equipment, net	935.8		929.9
Goodwill	1,217.6		1,175.4
Intangible assets, net	951.3		939.7
Deferred tax assets	1.5		0.2
Other long-term assets, net	39.3		41.3
Total assets	4,117.6		3,939.7
Short-term borrowings	255.0		207.0
Current maturities of long-term debt	6.6		5.7
Accounts payable and accrued liabilities	711.3		597.4
Total current liabilities	972.9		810.1
Long-term debt	2,038.2		1,988.0
Deferred tax liabilities	164.1		157.8
Other long-term liabilities	112.9		110.0
Total liabilities	3,288.1		3,065.9
Equity
Common shares, no par	912.0		909.3
Additional paid-in-capital	61.4		54.2
Retained earnings (deficit)	(54.8)		22.9
Accumulated other comprehensive (loss) income	(96.9)		(117.9)	(90.8)		(76.2)
Total Cott Corporation equity	821.7		868.5
Non-controlling interests	7.8		5.3
Total equity	829.5		873.8	997.2		645.9
Total liabilities and equity	4,117.6		3,939.7
Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	123.2	530.5	118.1	249.5	55.1	77.1
Accounts receivable, net of allowance	486.7		403.9
Inventories	324.6		301.4
Prepaid expenses and other current assets	37.6		29.8
Total current assets	972.1		853.2
Property, plant & equipment, net	935.8		929.9
Goodwill	1,217.6		1,175.4
Intangible assets, net	951.3		939.7
Deferred tax assets	1.5		0.2
Other long-term assets, net	39.3		41.3
Total assets	4,117.6		3,939.7
Short-term borrowings	255.0		207.0
Current maturities of long-term debt	6.6		5.7
Accounts payable and accrued liabilities	711.3		597.4
Total current liabilities	972.9		810.1
Long-term debt	2,038.2		1,988.0
Deferred tax liabilities	164.1		157.8
Other long-term liabilities	112.9		110.0
Total liabilities	3,288.1		3,065.9
Equity
Common shares, no par	912.0		909.3
Additional paid-in-capital	61.4		54.2
Retained earnings (deficit)	(54.8)		22.9
Accumulated other comprehensive (loss) income	(96.9)		(117.9)
Total Cott Corporation equity	821.7		868.5
Non-controlling interests	7.8		5.3
Total equity	829.5		873.8
Total liabilities and equity	4,117.6		3,939.7
Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member] | Elimination Entries [Member]
Condensed Financial Statements, Captions [Line Items]
Accounts receivable, net of allowance	(210.9)		(78.5)
Total current assets	(210.9)		(78.5)
Due from affiliates	(1,903.8)		(1,487.5)
Investments in subsidiaries	(697.9)		(762.4)
Total assets	(2,812.6)		(2,328.4)
Accounts payable and accrued liabilities	(210.9)		(78.5)
Total current liabilities	(210.9)		(78.5)
Due to affiliates	(1,903.8)		(1,487.5)
Total liabilities	(2,114.7)		(1,566.0)
Equity
Common shares, no par	(1,225.1)		(1,196.6)
Retained earnings (deficit)	654.9		600.9
Accumulated other comprehensive (loss) income	(127.7)		(166.7)
Total Cott Corporation equity	(697.9)		(762.4)
Total equity	(697.9)		(762.4)
Total liabilities and equity	(2,812.6)		(2,328.4)
Cott Corporation [Member] | Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	5.1	1.1	4.8	182.6	4.9	20.8
Accounts receivable, net of allowance	36.2		27.4
Inventories	17.4		14.0
Prepaid expenses and other current assets	1.3		1.4
Total current assets	60.0		47.6
Property, plant & equipment, net	27.6		27.5
Goodwill	21.1		20.3
Intangible assets, net	0.1		0.1
Other long-term assets, net	1.3		1.2
Due from affiliates	1,002.8		943.2
Investments in subsidiaries	307.4		361.9
Total assets	1,420.3		1,401.8
Accounts payable and accrued liabilities	91.5		66.5
Total current liabilities	91.5		66.5
Long-term debt	504.3		464.3
Deferred tax liabilities	1.0		1.0
Other long-term liabilities	0.7		0.5
Due to affiliates	1.1		1.0
Total liabilities	598.6		533.3
Equity
Common shares, no par	912.0		909.3
Additional paid-in-capital	61.4		54.2
Retained earnings (deficit)	(54.8)		22.9
Accumulated other comprehensive (loss) income	(96.9)		(117.9)
Total Cott Corporation equity	821.7		868.5
Total equity	821.7		868.5
Total liabilities and equity	1,420.3		1,401.8
DSS Group Inc [Member] | Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	22.7	22.4	22.7	26.4	20.5	12.8
Accounts receivable, net of allowance	127.4		121.7
Inventories	29.4		29.2
Prepaid expenses and other current assets	6.9		7.1
Total current assets	186.4		180.7
Property, plant & equipment, net	368.6		364.5
Goodwill	586.6		582.0
Intangible assets, net	362.0		356.8
Other long-term assets, net	14.2		14.6
Total assets	1,517.8		1,498.6
Accounts payable and accrued liabilities	273.2		135.1
Total current liabilities	273.2		135.1
Long-term debt	272.4		384.2
Deferred tax liabilities	82.2		81.2
Other long-term liabilities	39.2		38.0
Due to affiliates	543.3		543.3
Total liabilities	1,210.3		1,181.8
Equity
Common shares, no par	355.5		355.4
Retained earnings (deficit)	(47.8)		(38.4)
Accumulated other comprehensive (loss) income	(0.2)		(0.2)
Total Cott Corporation equity	307.5		316.8
Total equity	307.5		316.8
Total liabilities and equity	1,517.8		1,498.6
Guarantor Subsidiaries [Member] | Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	67.3	468.8	52.1	33.2	25.0	38.4
Accounts receivable, net of allowance	428.3		239.6
Inventories	253.9		237.1
Prepaid expenses and other current assets	17.5		16.6
Total current assets	767.0		545.4
Property, plant & equipment, net	421.5		430.7
Goodwill	301.3		290.4
Intangible assets, net	383.0		385.0
Other long-term assets, net	20.8		23.1
Due from affiliates	544.4		544.3
Investments in subsidiaries	390.5		400.5
Total assets	2,828.5		2,619.4
Short-term borrowings	255.0		207.0
Current maturities of long-term debt	3.0		2.7
Accounts payable and accrued liabilities	422.1		341.0
Total current liabilities	680.1		550.7
Long-term debt	1,258.7		1,136.7
Deferred tax liabilities	48.5		49.0
Other long-term liabilities	48.8		49.9
Due to affiliates	500.6		453.4
Total liabilities	2,536.7		2,239.7
Equity
Common shares, no par	729.2		691.5
Retained earnings (deficit)	(551.3)		(469.6)
Accumulated other comprehensive (loss) income	113.9		157.8
Total Cott Corporation equity	291.8		379.7
Total equity	291.8		379.7
Total liabilities and equity	2,828.5		2,619.4
Non-Guarantor Subsidiaries [Member] | Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	28.1	$ 38.2	38.5	$ 7.3	$ 4.7	$ 5.1
Accounts receivable, net of allowance	105.7		93.7
Inventories	23.9		21.1
Prepaid expenses and other current assets	11.9		4.7
Total current assets	169.6		158.0
Property, plant & equipment, net	118.1		107.2
Goodwill	308.6		282.7
Intangible assets, net	206.2		197.8
Deferred tax assets	1.5		0.2
Other long-term assets, net	3.0		2.4
Due from affiliates	356.6
Total assets	1,163.6		748.3
Current maturities of long-term debt	3.6		3.0
Accounts payable and accrued liabilities	135.4		133.3
Total current liabilities	139.0		136.3
Long-term debt	2.8		2.8
Deferred tax liabilities	32.4		26.6
Other long-term liabilities	24.2		21.6
Due to affiliates	858.8		489.8
Total liabilities	1,057.2		677.1
Equity
Common shares, no par	140.4		149.7
Retained earnings (deficit)	(55.8)		(92.9)
Accumulated other comprehensive (loss) income	14.0		9.1
Total Cott Corporation equity	98.6		65.9
Non-controlling interests	7.8		5.3
Total equity	106.4		71.2
Total liabilities and equity	$ 1,163.6		$ 748.3