Restructuring - Summary of Restructuring Charges (Detail) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Jan. 03, 2015	Dec. 28, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 0.1	$ 0.1	$ 2.2	$ 2.4	$ 2.0
Cott North America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring				2.3	1.0
Cott United Kingdom [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring				$ 0.1	0.7
All Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring					$ 0.3