Segment Reporting - Segment Reporting Information by Operating Segment (Detail) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Revenue, net	$ 896.4	$ 698.4
Depreciation and amortization	64.4	52.5
Operating income (loss)	10.8	14.7
Additions to property, plant & equipment	40.6	29.5
Total assets	4,417.3		$ 3,939.7
Operating Segments [Member] | Cott North America [Member]
Segment Reporting Information [Line Items]
Revenue, net	301.1	313.3
Depreciation and amortization	17.8	18.3
Operating income (loss)	1.1	0.6
Additions to property, plant & equipment	8.3	9.4
Total assets	1,318.8		862.9
Operating Segments [Member] | Cott United Kingdom [Member]
Segment Reporting Information [Line Items]
Revenue, net	94.2	120.6
Depreciation and amortization	4.8	5.5
Operating income (loss)		9.9
Additions to property, plant & equipment	3.6	2.0
Total assets	320.9		316.5
Operating Segments [Member] | Water & Coffee Solutions [Member]
Segment Reporting Information [Line Items]
Revenue, net	495.5	257.3
Depreciation and amortization	41.6	28.4
Operating income (loss)	14.9	5.7
Additions to property, plant & equipment	28.1	17.8
Total assets	2,750.9		2,735.1
Operating Segments [Member] | All Other [Member]
Segment Reporting Information [Line Items]
Revenue, net	11.5	13.6
Depreciation and amortization	0.2	0.3
Operating income (loss)	1.6	2.5
Additions to property, plant & equipment	0.6	0.3
Total assets	26.7		$ 25.2
Corporate [Member]
Segment Reporting Information [Line Items]
Operating income (loss)	(6.8)	(4.0)
Elimination [Member]
Segment Reporting Information [Line Items]
Revenue, net	(5.9)	(6.4)
Elimination [Member] | Cott North America [Member]
Segment Reporting Information [Line Items]
Revenue, net	$ 5.9	$ 6.4