Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.6.0.2
Document and Entity Information - shares
 3 Months Ended
Dec. 24, 2016
Jan. 25, 2017
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Dec. 24, 2016  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q1  
Trading Symbol CENT  
Entity Registrant Name CENTRAL GARDEN & PET CO  
Entity Central Index Key 0000887733  
Current Fiscal Year End Date --09-30  
Entity Filer Category Accelerated Filer  
Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   12,084,647
Class A Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   37,592,411
Class B Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   1,652,262