| Document And Entity Information | Dec. 10, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Document Period End Date | Dec. 10, 2021 |
| Entity Registrant Name | Aveanna Healthcare Holdings Inc. |
| Entity Central Index Key | 0001832332 |
| Entity Emerging Growth Company | false |
| Entity File Number | 001-40362 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 81-4717209 |
| Entity Address, Address Line One | 400 Interstate North Parkway SE |
| Entity Address, City or Town | Atlanta |
| Entity Address, State or Province | GA |
| Entity Address, Postal Zip Code | 30339 |
| City Area Code | 770 |
| Local Phone Number | 441-1580 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.01 per share |
| Trading Symbol | AVAH |
| Security Exchange Name | NASDAQ |
| Amendment Description |
