| Document and Entity Information | Oct. 06, 2019 |
| Cover [Abstract] | |
| Current Fiscal Year End Date | --09-27 |
| Amendment Flag | false |
| Entity Central Index Key | 0001584509 |
| Document Type | 8-K |
| Document Period End Date | Oct. 6, 2019 |
| Entity Registrant Name | Aramark |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-36223 |
| Entity Tax Identification Number | 20-8236097 |
| Entity Address, Address Line One | 2400 Market Street |
| Entity Address, City or Town | Philadelphia |
| Entity Address, State or Province | PA |
| Entity Address, Postal Zip Code | 19103 |
| City Area Code | 215 |
| Local Phone Number | 238-3000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Title of 12(b) Security | Common Stock, par value $0.01 per share |
| Trading Symbol | ARMK |
| Security Exchange Name | NYSE |
