XML 9 R1.htm IDEA: XBRL DOCUMENT v3.19.2
Cover
Jul. 31, 2019
Jul. 31, 2019
Cover [Abstract]    
Document Type 8-K  
Amendment Flag false  
Document Period End Date Jul. 31, 2019  
Entity File Number 001-10435  
Entity Registrant Name STURM RUGER & COMPANY INC  
Entity Central Index Key 0000095029  
Entity Tax Identification Number 06-0633559  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One One Lacy Place  
Entity Address, City or Town Southport  
Entity Address, State or Province CT  
Entity Address, Postal Zip Code 06890  
City Area Code (203)  
Local Phone Number 259-7843  
Written Communications false  
Soliciting Material false  
Pre-commencement Tender Offer false  
Pre-commencement Issuer Tender Offer false  
Title of 12(b) Security Common Stock  
Trading Symbol RGR  
Security Exchange Name NYSE  
Entity Emerging Growth Company   false