| Document and Entity Information | Feb. 20, 2020 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0000884713 |
| Document Type | 8-K |
| Document Period End Date | Feb. 20, 2020 |
| Entity Registrant Name | Cott Corporation |
| Entity Incorporation, State or Country Code | Z4 |
| Entity File Number | 001-31410 |
| Entity Tax Identification Number | 98-0154711 |
| Entity Address, Address Line One | Corporate Center III |
| Entity Address, Address Line Three | Suite 400 |
| Entity Address, Address Line Two | 4221 W. Boy Scout Blvd. |
| Entity Address, City or Town | Tampa |
| Entity Address, State or Province | FL |
| Entity Address, Country | US |
| Entity Address, Postal Zip Code | 33607 |
| City Area Code | 813 |
| Local Phone Number | 313-1732 |
| Written Communications | true |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common shares without nominal or par value |
| Trading Symbol | COT |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
