Guarantor Subsidiaries (Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries) - Consolidating Balance Sheets (Detail) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016	Oct. 01, 2016	Jan. 02, 2016
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	$ 82.0	$ 78.1	$ 91.4
Accounts receivable, net of allowance	311.6	276.7
Inventories	142.3	124.6
Prepaid expenses and other current assets	22.2	22.1
Current assets of discontinued operations	426.5	351.7
Total current assets	984.6	853.2
Property, plant & equipment, net	590.4	581.8
Goodwill	1,097.0	1,048.3
Intangible assets, net	763.9	759.0
Deferred tax assets	2.2
Other long-term assets, net	36.8	24.0
Long-term assets of discontinued operations	673.6	673.4
Total assets	4,148.5	3,939.7
Current maturities of long-term debt	2.6	2.9
Accounts payable and accrued liabilities	453.1	368.0
Current liabilities of discontinued operations	519.1	439.2
Total current liabilities	974.8	810.1
Long-term debt	1,534.0	851.4
Deferred tax liabilities	131.9	155.0
Other long-term liabilities	67.5	75.4
Long-term liabilities of discontinued operations	566.5	1,174.0
Total liabilities	3,274.7	3,065.9
Equity
Common shares, no par	915.5	909.3
Additional paid-in-capital	63.3	54.2
(Accumulated deficit) retained earnings	(20.7)	22.9
Accumulated other comprehensive (loss) income	(92.7)	(117.9)	(96.0)	$ (76.2)
Total Cott Corporation equity	865.4	868.5
Non-controlling interests	8.4	5.3
Total equity	873.8	873.8	980.9	$ 645.9
Total liabilities and equity	4,148.5	3,939.7
Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	82.0	78.1	91.4
Accounts receivable, net of allowance	311.6	276.7
Inventories	142.3	124.6
Prepaid expenses and other current assets	22.2	22.1
Current assets of discontinued operations	426.5	351.7
Total current assets	984.6	853.2
Property, plant & equipment, net	590.4	581.8
Goodwill	1,097.0	1,048.3
Intangible assets, net	763.9	759.0
Deferred tax assets	2.2
Other long-term assets, net	36.8	24.0
Long-term assets of discontinued operations	673.6	673.4
Total assets	4,148.5	3,939.7
Current maturities of long-term debt	2.6	2.9
Accounts payable and accrued liabilities	453.1	368.0
Current liabilities of discontinued operations	519.1	439.2
Total current liabilities	974.8	810.1
Long-term debt	1,534.0	851.4
Deferred tax liabilities	131.9	155.0
Other long-term liabilities	67.5	75.4
Long-term liabilities of discontinued operations	566.5	1,174.0
Total liabilities	3,274.7	3,065.9
Equity
Common shares, no par	915.5	909.3
Additional paid-in-capital	63.3	54.2
(Accumulated deficit) retained earnings	(20.7)	22.9
Accumulated other comprehensive (loss) income	(92.7)	(117.9)
Total Cott Corporation equity	865.4	868.5
Non-controlling interests	8.4	5.3
Total equity	873.8	873.8
Total liabilities and equity	4,148.5	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	(8.7)	(11.6)
Prepaid expenses and other current assets		(0.9)
Current assets of discontinued operations	(229.0)	(65.3)
Total current assets	(237.7)	(77.8)
Due from affiliates	(372.9)	(329.6)
Investments in subsidiaries	(3.9)
Long-term assets of discontinued operations	(2,304.5)	(2,233.4)
Total assets	(2,919.0)	(2,640.8)
Accounts payable and accrued liabilities	(155.0)	(21.0)
Current liabilities of discontinued operations	(82.7)	(56.7)
Total current liabilities	(237.7)	(77.7)
Due to affiliates	(1,826.7)	(1,709.0)
Long-term liabilities of discontinued operations	(118.9)	(107.9)
Total liabilities	(2,183.3)	(1,894.6)
Equity
Common shares, no par	(1,252.1)	(1,196.6)
(Accumulated deficit) retained earnings	618.0	617.1
Accumulated other comprehensive (loss) income	(101.6)	(166.7)
Total Cott Corporation equity	(735.7)	(746.2)
Total equity	(735.7)	(746.2)
Total liabilities and equity	(2,919.0)	(2,640.8)
Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member] | Cott Corporation [Member]
Condensed Financial Statements, Captions [Line Items]
Prepaid expenses and other current assets	0.1	1.7
Current assets of discontinued operations	63.2	47.2
Total current assets	63.3	48.9
Other long-term assets, net	0.4	0.5
Long-term assets of discontinued operations	1,425.1	1,353.7
Total assets	1,488.8	1,403.1
Accounts payable and accrued liabilities	8.6	4.2
Current liabilities of discontinued operations	91.6	63.6
Total current liabilities	100.2	67.8
Long-term debt	521.3	464.4
Deferred tax liabilities		0.9
Long-term liabilities of discontinued operations	1.9	1.5
Total liabilities	623.4	534.6
Equity
Common shares, no par	915.5	909.3
Additional paid-in-capital	63.3	54.2
(Accumulated deficit) retained earnings	(20.7)	22.9
Accumulated other comprehensive (loss) income	(92.7)	(117.9)
Total Cott Corporation equity	865.4	868.5
Total equity	865.4	868.5
Total liabilities and equity	1,488.8	1,403.1
Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member] | Subsidiaries [Member] | DSS Group Inc [Member]
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	20.8	22.7	35.4
Accounts receivable, net of allowance	137.4	121.7
Inventories	30.2	29.2
Prepaid expenses and other current assets	8.5	7.1
Total current assets	196.9	180.7
Property, plant & equipment, net	371.2	364.5
Goodwill	587.2	582.0
Intangible assets, net	353.1	356.8
Other long-term assets, net	14.6	14.6
Total assets	1,523.0	1,498.6
Current maturities of long-term debt	0.1
Accounts payable and accrued liabilities	275.6	135.1
Total current liabilities	275.7	135.1
Long-term debt	271.2	384.2
Deferred tax liabilities	82.6	81.2
Other long-term liabilities	39.5	38.0
Due to affiliates	543.3	543.3
Total liabilities	1,212.3	1,181.8
Equity
Common shares, no par	355.5	355.4
(Accumulated deficit) retained earnings	(44.6)	(38.4)
Accumulated other comprehensive (loss) income	(0.2)	(0.2)
Total Cott Corporation equity	310.7	316.8
Total equity	310.7	316.8
Total liabilities and equity	1,523.0	1,498.6
Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member] | Guarantor Subsidiaries [Member] | DSS Group Inc [Member]
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	34.4	23.6	21.1
Accounts receivable, net of allowance	89.0	82.6
Inventories	96.5	79.9
Prepaid expenses and other current assets	7.1	10.0
Current assets of discontinued operations	563.4	346.6
Total current assets	790.4	542.7
Property, plant & equipment, net	112.2	115.8
Goodwill	189.6	183.6
Intangible assets, net	203.6	204.4
Other long-term assets, net	5.6	6.6
Due from affiliates	1.1
Investments in subsidiaries	3.9
Long-term assets of discontinued operations	1,546.1	1,548.9
Total assets	2,852.5	2,602.0
Current maturities of long-term debt		0.1
Accounts payable and accrued liabilities	187.1	124.9
Current liabilities of discontinued operations	500.2	423.8
Total current liabilities	687.3	548.8
Long-term debt	738.8
Deferred tax liabilities	18.6	46.5
Other long-term liabilities	17.2	16.9
Due to affiliates	424.8	390.6
Long-term liabilities of discontinued operations	655.4	1,255.8
Total liabilities	2,542.1	2,258.6
Equity
Common shares, no par	752.1	691.5
(Accumulated deficit) retained earnings	(534.8)	(505.9)
Accumulated other comprehensive (loss) income	93.1	157.8
Total Cott Corporation equity	310.4	343.4
Total equity	310.4	343.4
Total liabilities and equity	2,852.5	2,602.0
Cott Corporation, DSS, Guarantor Subsidiaries and our other non-guarantor subsidiaries [Member] | Non-Guarantor Subsidiaries [Member] | DSS Group Inc [Member]
Condensed Financial Statements, Captions [Line Items]
Cash & cash equivalents	26.8	31.8	$ 34.9
Accounts receivable, net of allowance	93.9	84.0
Inventories	15.6	15.5
Prepaid expenses and other current assets	6.5	4.2
Current assets of discontinued operations	28.9	23.2
Total current assets	171.7	158.7
Property, plant & equipment, net	107.0	101.5
Goodwill	320.2	282.7
Intangible assets, net	207.2	197.8
Deferred tax assets	2.2
Other long-term assets, net	16.2	2.3
Due from affiliates	371.8	329.6
Long-term assets of discontinued operations	6.9	4.2
Total assets	1,203.2	1,076.8
Current maturities of long-term debt	2.5	2.8
Accounts payable and accrued liabilities	136.8	124.8
Current liabilities of discontinued operations	10.0	8.5
Total current liabilities	149.3	136.1
Long-term debt	2.7	2.8
Deferred tax liabilities	30.7	26.4
Other long-term liabilities	10.8	20.5
Due to affiliates	858.6	775.1
Long-term liabilities of discontinued operations	28.1	24.6
Total liabilities	1,080.2	985.5
Equity
Common shares, no par	144.5	149.7
(Accumulated deficit) retained earnings	(38.6)	(72.8)
Accumulated other comprehensive (loss) income	8.7	9.1
Total Cott Corporation equity	114.6	86.0
Non-controlling interests	8.4	5.3
Total equity	123.0	91.3
Total liabilities and equity	$ 1,203.2	$ 1,076.8