Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions		12 Months Ended
		Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net income (loss)		$ 383.5	$ 7.1	$ (71.5)
Other comprehensive income (loss):
Currency translation adjustment		(16.1)	27.2	(42.0)
Pension benefit plan, net of tax	[1],[2]	17.1	(2.4)	(4.3)
Unrealized (loss) gain on derivative instruments, net of tax	[3]	(8.3)	(1.3)	4.6
Total other comprehensive (loss) income		(7.3)	23.5	(41.7)
Comprehensive income (loss)		376.2	30.6	(113.2)
Less: Comprehensive income attributable to non-controlling interests		0.6	8.5	6.3
Comprehensive income (loss) attributable to Cott Corporation		375.6	22.1	(119.5)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax		0.1	$ (0.6)	$ (0.3)
Derivative instruments, tax (benefit) expense		2.5
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax		$ (3.6)

[1] Net of $3.6 million of associated tax impact that resulted in an increase to the gain on sale of discontinued operations for the year ended December 29, 2018.

[2] Net of the effect of a $0.1 million tax expense, $0.6 million tax benefit and $0.3 million tax benefit for the years ended December 29, 2018, December 30, 2017 and December 31, 2016, respectively.

[3] Net of the effect of a 2.5 million tax benefit for the year ended December 29, 2018.