v3.25.2
Cover Page - shares
 6 Months Ended
Jun. 28, 2025
Jul. 30, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 28, 2025  
Document Transition Report false  
Entity File Number 001-08174  
Entity Registrant Name DUCOMMUN INCORPORATED  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 95-0693330  
Entity Address, Address Line One 600 Anton Boulevard, Suite 1100  
Entity Address, City or Town Costa Mesa  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 92626-7100  
City Area Code 657  
Local Phone Number 335-3665  
Title of 12(b) Security Common Stock, $.01 par value per share  
Trading Symbol DCO  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   14,923,743
Amendment Flag false  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31  
Entity Central Index Key 0000030305