Revisions - Effect of Revision on Consolidated Statement of Operations (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Apr. 04, 2015	Mar. 29, 2014
Cost of sales	$ 508.5	$ 418.9
Gross profit	201.3	56.2
Operating income	6.7	4.3
(Loss) income before income taxes	10.6	3.2
Income tax (benefit) expense	(9.4)	(0.5)
Net (loss) income	(1.2)	(2.7)
Net loss attributed to Cott Corporation	(6.0)	(4.1)
Scenario, Previously Reported [Member]
Cost of sales		424.8
Gross profit		50.3
Operating income		4.1
(Loss) income before income taxes		(3.4)
Income tax (benefit) expense		(0.9)
Net (loss) income		(2.5)
Net loss attributed to Cott Corporation		(3.9)
Scenario, Actual [Member]
Cost of sales		424.6
Gross profit		50.5
Operating income		4.3
(Loss) income before income taxes		(3.2)
Income tax (benefit) expense		(0.5)
Net (loss) income		(2.7)
Net loss attributed to Cott Corporation		(4.1)
Scenario, Adjustment [Member]
Cost of sales		(0.2)
Gross profit		0.2
Operating income		0.2
(Loss) income before income taxes		0.2
Income tax (benefit) expense		0.4
Net (loss) income		(0.2)
Net loss attributed to Cott Corporation		$ (0.2)