Segment Reporting - Revenues by Channel Reporting Segment (Detail) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Segment Reporting Information [Line Items]
Revenue, net	$ 896.4	$ 698.4
Elimination [Member]
Segment Reporting Information [Line Items]
Revenue, net	(5.9)	(6.4)
Cott North America [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	301.1	313.3
Cott North America [Member] | Elimination [Member]
Segment Reporting Information [Line Items]
Revenue, net	5.9	6.4
Cott United Kingdom [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	94.2	120.6
Private Label Retail [Member]
Segment Reporting Information [Line Items]
Revenue, net	300.8	316.2
Private Label Retail [Member] | Elimination [Member]
Segment Reporting Information [Line Items]
Revenue, net	(0.4)	(0.4)
Private Label Retail [Member] | Cott North America [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	240.6	248.5
Private Label Retail [Member] | Cott United Kingdom [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	38.3	50.7
Branded Retail [Member]
Segment Reporting Information [Line Items]
Revenue, net	71.7	87.8
Branded Retail [Member] | Elimination [Member]
Segment Reporting Information [Line Items]
Revenue, net	(0.4)	(0.3)
Branded Retail [Member] | Cott North America [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	22.6	26.8
Branded Retail [Member] | Cott United Kingdom [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	29.5	36.2
Contract Packaging Inc [Member]
Segment Reporting Information [Line Items]
Revenue, net	54.0	62.3
Contract Packaging Inc [Member] | Elimination [Member]
Segment Reporting Information [Line Items]
Revenue, net	(1.9)	(2.1)
Contract Packaging Inc [Member] | Cott North America [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	31.1	31.4
Contract Packaging Inc [Member] | Cott United Kingdom [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	21.8	28.3
Home and Office Bottled Water Delivery [Member]
Segment Reporting Information [Line Items]
Revenue, net	229.1	162.0
Coffee and Tea Services [Member]
Segment Reporting Information [Line Items]
Revenue, net	166.2	32.3
Coffee and Tea Services [Member] | Cott United Kingdom [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	0.6	0.8
Concentrate and Other [Member]
Segment Reporting Information [Line Items]
Revenue, net	74.6	37.8
Concentrate and Other [Member] | Elimination [Member]
Segment Reporting Information [Line Items]
Revenue, net	(3.2)	(3.6)
Concentrate and Other [Member] | Cott North America [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	6.8	6.6
Concentrate and Other [Member] | Cott United Kingdom [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	4.0	4.6
Water & Coffee Solutions [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	495.5	257.3
Water & Coffee Solutions [Member] | Private Label Retail [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	21.4	16.9
Water & Coffee Solutions [Member] | Branded Retail [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	19.1	24.3
Water & Coffee Solutions [Member] | Home and Office Bottled Water Delivery [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	229.1	162.0
Water & Coffee Solutions [Member] | Coffee and Tea Services [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	165.6	31.5
Water & Coffee Solutions [Member] | Concentrate and Other [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	60.3	22.6
All Other [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	11.5	13.6
All Other [Member] | Private Label Retail [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	0.9	0.5
All Other [Member] | Branded Retail [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	0.9	0.8
All Other [Member] | Contract Packaging Inc [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	3.0	4.7
All Other [Member] | Concentrate and Other [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue, net	$ 6.7	$ 7.6