Revisions - Effect of Revision on Consolidated Statement of Operations (Detail) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014		Jul. 04, 2015	Jun. 28, 2014
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenue, net	$ 779.8	$ 549.2		$ 1,489.6	$ 1,024.3
Cost of sales	539.2	470.2		1,047.7	889.1
Gross profit	240.6	79.0		441.9	135.2
Selling, general and administrative expenses	190.2	50.7		378.7	97.6
Loss (gain) on disposal of property, plant & equipment	0.2	(0.1)		1.6
Operating income	46.1	26.2		52.8	30.5
(Loss) income before income taxes	17.2	(2.0)		6.6	(5.2)
Income tax expense	(1.1)	2.5		(10.5)	2.0
Net (loss) income	18.3	(4.5)		17.1	(7.2)
Net (loss) income attributed to Cott Corporation	$ 2.2	(5.9)		$ (3.8)	(10.0)
Scenario, Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenue, net		550.9			1,026.0
Cost of sales		477.1	[1]		901.9
Gross profit		73.8			124.1
Selling, general and administrative expenses		46.9			89.2
Loss (gain) on disposal of property, plant & equipment		0.4			0.5
Operating income		26.1			30.2
(Loss) income before income taxes		(2.1)			(5.5)
Income tax expense					1.6
Net (loss) income		(4.6)			(7.1)
Net (loss) income attributed to Cott Corporation		(6.0)			(9.9)
Scenario, Actual [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenue, net		549.2			1,024.3
Cost of sales		476.0	[1]		900.6
Gross profit		73.2			123.7
Selling, general and administrative expenses		46.7			89.0
Loss (gain) on disposal of property, plant & equipment		(0.1)
Operating income		26.2			30.5
(Loss) income before income taxes		(2.0)			(5.2)
Income tax expense					2.0
Net (loss) income		(4.5)			(7.2)
Net (loss) income attributed to Cott Corporation		(5.9)			(10.0)
Scenario, Adjustment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenue, net		(1.7)			(1.7)
Cost of sales		(1.1)	[1]		(1.3)
Gross profit		(0.6)			(0.4)
Selling, general and administrative expenses		(0.2)			(0.2)
Loss (gain) on disposal of property, plant & equipment		(0.5)			(0.5)
Operating income		0.1			0.3
(Loss) income before income taxes		0.1			0.3
Income tax expense					0.4
Net (loss) income		0.1			(0.1)
Net (loss) income attributed to Cott Corporation		$ 0.1			$ (0.1)

[1] Net of the effect of $0.1 million and $0.2 million tax expense for the three and six months ended July 4, 2015, respectively, and net of the effect of nil and $0.1 million tax expense for the three and six months ended June 28, 2014, respectively.