Segment Reporting - Revenues by Channel Reporting Segment (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Jan. 02, 2016	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Jan. 03, 2015	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Segment Reporting Information [Line Items]
Revenue, net	$ 698.8	$ 755.6	$ 779.8	$ 709.8	$ 543.5	$ 535.0	$ 549.2	$ 475.1	$ 2,944.0	$ 2,102.8	$ 2,094.0
Elimination [Member]
Segment Reporting Information [Line Items]
Revenue, net									(22.6)	(22.3)	(21.0)
Cott North America [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									1,330.9	1,433.5	1,556.2
Cott North America [Member] | Elimination [Member]
Segment Reporting Information [Line Items]
Revenue, net									22.6	22.3	21.0
Cott United Kingdom [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									557.0	597.9	494.3
Private Label Retail [Member]
Segment Reporting Information [Line Items]
Revenue, net									1,406.4	1,511.4	1,654.9
Private Label Retail [Member] | Elimination [Member]
Segment Reporting Information [Line Items]
Revenue, net									(1.6)	(1.2)	(0.2)
Private Label Retail [Member] | Cott North America [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									1,075.9	1,206.4	1,364.1
Private Label Retail [Member] | Cott United Kingdom [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									262.3	296.7	283.4
Branded Retail [Member]
Segment Reporting Information [Line Items]
Revenue, net									371.4	287.6	230.6
Branded Retail [Member] | Elimination [Member]
Segment Reporting Information [Line Items]
Revenue, net									(1.5)	(1.6)	(0.4)
Branded Retail [Member] | Cott North America [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									114.9	108.4	114.0
Branded Retail [Member] | Cott United Kingdom [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									169.8	173.7	111.6
Contract Packaging Inc [Member]
Segment Reporting Information [Line Items]
Revenue, net									241.5	225.6	168.4
Contract Packaging Inc [Member] | Elimination [Member]
Segment Reporting Information [Line Items]
Revenue, net									(6.5)	(6.7)	(7.1)
Contract Packaging Inc [Member] | Cott North America [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									111.8	86.9	54.1
Contract Packaging Inc [Member] | Cott United Kingdom [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									114.0	120.8	97.1
Home and Office Bottled Water Delivery [Member]
Segment Reporting Information [Line Items]
Revenue, net									651.3	12.2
Office Coffee Services [Member]
Segment Reporting Information [Line Items]
Revenue, net									121.3	4.3
Concentrate and Other [Member]
Segment Reporting Information [Line Items]
Revenue, net									152.1	61.7	40.1
Concentrate and Other [Member] | Elimination [Member]
Segment Reporting Information [Line Items]
Revenue, net									(13.0)	(12.8)	(13.3)
Concentrate and Other [Member] | Cott North America [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									28.3	31.8	24.0
Concentrate and Other [Member] | Cott United Kingdom [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									10.9	6.7	2.2
DSS Group Inc [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									1,021.1	28.7
DSS Group Inc [Member] | Private Label Retail [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									65.3	2.1
DSS Group Inc [Member] | Branded Retail [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									84.1	2.6
DSS Group Inc [Member] | Home and Office Bottled Water Delivery [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									651.3	12.2
DSS Group Inc [Member] | Office Coffee Services [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									121.3	4.3
DSS Group Inc [Member] | Concentrate and Other [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									99.1	7.5
All Other [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									57.6	65.0	64.5
All Other [Member] | Private Label Retail [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									4.5	7.4	7.6
All Other [Member] | Branded Retail [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									4.1	4.5	5.4
All Other [Member] | Contract Packaging Inc [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									22.2	24.6	24.3
All Other [Member] | Concentrate and Other [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net									$ 26.8	$ 28.5	$ 27.2