Segment Reporting - Segment Reporting Information by Operating Segment (Parenthetical) (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Jan. 02, 2016	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Jan. 03, 2015	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Segment Reporting Information [Line Items]
Revenue, net	$ 698.8	$ 755.6	$ 779.8	$ 709.8	$ 543.5	$ 535.0	$ 549.2	$ 475.1	$ 2,944.0	$ 2,102.8	$ 2,094.0
Elimination [Member]
Segment Reporting Information [Line Items]
Revenue, net									(22.6)	(22.3)	(21.0)
Elimination [Member] | Cott North America [Member]
Segment Reporting Information [Line Items]
Revenue, net									$ 22.6	$ 22.3	$ 21.0