Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2016	Feb. 19, 2016	Jul. 04, 2015
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Jan. 02, 2016
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY
Trading Symbol	COT
Entity Registrant Name	COTT CORP /CN/
Entity Central Index Key	0000884713
Current Fiscal Year End Date	--01-02
Entity Well-known Seasoned Issuer	Yes
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		109,907,005
Entity Public Float			$ 1,057.0