Quarterly report pursuant to Section 13 or 15(d)

Cover Page

v3.20.2
Cover Page - shares
 9 Months Ended
Jun. 27, 2020
Jul. 31, 2020
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 27, 2020  
Document Transition Report false  
Entity File Number 001-33268  
Entity Registrant Name CENTRAL GARDEN & PET CO  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 68-0275553  
Entity Address, Address Line One 1340 Treat Blvd.  
Entity Address, Address Line Two Suite 600  
Entity Address, City or Town Walnut Creek  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94597  
City Area Code 925  
Local Phone Number 948-4000  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Amendment Flag false  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q3  
Entity Central Index Key 0000887733  
Current Fiscal Year End Date --09-26  
Common Class    
Document Information [Line Items]    
Title of 12(b) Security Common Stock  
Trading Symbol CENT  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   11,300,810
Class A Common Stock    
Document Information [Line Items]    
Title of 12(b) Security Class A Common Stock  
Trading Symbol CENTA  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   41,748,750
Class B Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   1,647,922