XML 12 R1.htm IDEA: XBRL DOCUMENT v3.5.0.2
Document and Entity Information - shares
9 Months Ended
Jun. 25, 2016
Aug. 01, 2016
Document And Entity Information [Abstract]    
Entity Registrant Name SUBURBAN PROPANE PARTNERS LP  
Entity Central Index Key 0001005210  
Current Fiscal Year End Date --09-24  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   60,789,374
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q3  
Document Type 10-Q  
Trading Symbol SPH  
Amendment Flag false  
Document Period End Date Jun. 25, 2016