| Cover Page Cover Page | Nov. 10, 2020 | Aug. 11, 2020 |
| Cover [Abstract] | ||
| Document Type | 8-K | |
| Document Period End Date | Nov. 10, 2020 | |
| Entity Registrant Name | COVETRUS, INC. | |
| Entity Incorporation, State or Country Code | DE | |
| Entity File Number | 001-38794 | |
| Entity Tax Identification Number | 83-1448706 | |
| Entity Address, Address Line One | 7 Custom House Street | |
| Entity Address, City or Town | Portland | |
| Entity Address, State or Province | ME | |
| Entity Address, Postal Zip Code | 04101 | |
| City Area Code | 888 | |
| Local Phone Number | 280-2221 | |
| Title of 12(b) Security | Common Stock, par value $0.01 per share | |
| Trading Symbol | CVET | |
| Security Exchange Name | NASDAQ | |
| Written Communications | false | |
| Soliciting Material | false | |
| Pre-commencement Tender Offer | false | |
| Pre-commencement Issuer Tender Offer | false | |
| Entity Emerging Growth Company | false | |
| Amendment Flag | false | |
| Entity Central Index Key | 0001752836 |
