Quarterly Financial Information - Schedule of Quarterly Financial Information (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 29, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Oct. 01, 2011	Jul. 02, 2011	Apr. 02, 2011	Dec. 29, 2012		Dec. 31, 2011		Jan. 01, 2011
Revenue	$ 517.2	$ 583.8	$ 625.8	$ 523.8	$ 549.2	$ 611.3	$ 640.0	$ 534.1	$ 2,250.6	[1]	$ 2,334.6	[2]	$ 1,803.3	[3]
Cost of sales	456.6	510.6	533.5	460.4	497.8	543.7	552.0	464.5	1,961.1		2,058.0		1,537.0
Gross Profit	60.6	73.2	92.3	63.4	51.4	67.6	88.0	69.6	289.5		276.6		266.3
Selling, general and administrative expenses	43.6	43.8	48.8	41.8	44.4	38.1	45.1	45.1	178.0		172.7		166.7
Loss on disposal of property, plant and equipment	0.1	0.8	0.3	0.6	0.7	0.5			1.8		1.2		1.1
Asset impairments					0.6						0.6
Intangible asset impairments					1.4						1.4
Operating income	16.9	28.6	43.2	21.0	4.3	29.0	42.9	24.5	109.7		100.7		99.0
Net income (loss) attributed to Cott Corporation	$ 2.3	$ 14.5	$ 25.1	$ 5.9	$ (11.9)	$ 16.2	$ 26.5	$ 6.8	$ 47.8		$ 37.6		$ 54.7
Basic	$ 0.02	$ 0.15	$ 0.27	$ 0.06	$ (0.13)	$ 0.17	$ 0.28	$ 0.07	$ 0.51		$ 0.40		$ 0.64
Diluted	$ 0.02	$ 0.15	$ 0.26	$ 0.06	$ (0.12)	$ 0.17	$ 0.28	$ 0.07	$ 0.50		$ 0.40		$ 0.63

[1] Intersegment revenue between North America and the other reporting segments was $16.4 million for the year ended December 29, 2012.

[2] Intersegment revenue between North America and the other reporting segments was $14.7 million for the year ended December 31, 2011.

[3] Intersegment revenue between North America and the other reporting segments was $19.0 million for the year ended January 1, 2011.