XML 33 R1.htm IDEA: XBRL DOCUMENT v3.2.0.727
Document and Entity Information - shares
6 Months Ended
Jun. 27, 2015
Jul. 20, 2015
Document and Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 27, 2015  
Entity Registrant Name STURM RUGER & CO INC  
Entity Central Index Key 0000095029  
Trading Symbol RGR  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q2  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   18,701,530