XML 12 R1.htm IDEA: XBRL DOCUMENT v3.5.0.2
Document and Entity Information - shares
9 Months Ended
Sep. 24, 2016
Oct. 25, 2016
Entity Registrant Name SUPREME INDUSTRIES INC  
Entity Central Index Key 0000350846  
Document Type 10-Q  
Document Period End Date Sep. 24, 2016  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q3  
Class A Common Stock    
Entity Common Stock, Shares Outstanding   15,347,070
Class B Common Stock    
Entity Common Stock, Shares Outstanding   1,742,257