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Cover Page - shares
 6 Months Ended
Apr. 02, 2021
Apr. 30, 2021
Cover [Abstract]    
Document Type 10-Q  
Document Period End Date Apr. 02, 2021  
Entity File Number 001-36223  
Entity Registrant Name Aramark  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 20-8236097  
Entity Address, Address Line One 2400 Market Street  
Entity Address, Postal Zip Code 19103  
Entity Address, City or Town Philadelphia,  
Entity Address, State or Province PA  
City Area Code 215  
Local Phone Number 238-3000  
Title of 12(b) Security Common Stock,  
Trading Symbol ARMK  
Security Exchange Name NYSE  
Entity Filer Category Large Accelerated Filer  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Document Quarterly Report true  
Document Transition Report false  
Amendment Flag false  
Entity Central Index Key 0001584509  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q2  
Entity Common Stock, Shares Outstanding   254,941,590
Current Fiscal Year End Date --10-01