Segment Reporting - Segment Reporting Information by Operating Segment (Detail) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015	Jan. 02, 2016
Segment Reporting Information [Line Items]
Revenue, net	$ 698.4	$ 709.8
Depreciation and amortization	52.5	57.4
Operating (loss) income	14.7	6.7
Additions to property, plant & equipment	29.5	27.3
Total assets	2,927.6		$ 2,887.3
Operating Segments [Member] | Cott North America [Member]
Segment Reporting Information [Line Items]
Revenue, net	313.3	328.7
Depreciation and amortization	18.3	21.3
Operating (loss) income	0.6	7.2
Additions to property, plant & equipment	9.4	7.2
Total assets	930.0		943.1
Operating Segments [Member] | Cott United Kingdom [Member]
Segment Reporting Information [Line Items]
Revenue, net	120.6	132.2
Depreciation and amortization	5.5	5.5
Operating (loss) income	9.9	3.9
Additions to property, plant & equipment	2.0	1.7
Total assets	387.4		402.5
Operating Segments [Member] | DSS Group Inc [Member]
Segment Reporting Information [Line Items]
Revenue, net	257.3	240.3
Depreciation and amortization	28.4	30.2
Operating (loss) income	5.7	(1.5)
Additions to property, plant & equipment	17.8	18.4
Total assets	1,580.1		1,513.1
Operating Segments [Member] | All Other [Member]
Segment Reporting Information [Line Items]
Revenue, net	13.6	13.0
Depreciation and amortization	0.3	0.4
Operating (loss) income	2.5	1.6
Additions to property, plant & equipment	0.3
Total assets	30.1		$ 28.6
Corporate [Member]
Segment Reporting Information [Line Items]
Operating (loss) income	(4.0)	(4.5)
Elimination [Member]
Segment Reporting Information [Line Items]
Revenue, net	(6.4)	(4.4)
Elimination [Member] | Cott North America [Member]
Segment Reporting Information [Line Items]
Revenue, net	$ 6.4	$ 4.4