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Document and Entity Information
Nov. 24, 2025
Cover [Abstract]  
Entity Registrant Name DUCOMMUN INC /DE/
Amendment Flag false
Entity Central Index Key 0000030305
Document Type 8-K
Document Period End Date Nov. 24, 2025
Entity Incorporation State Country Code DE
Entity File Number 001-08174
Entity Tax Identification Number 95-0693330
Entity Address, Address Line One 600 Anton Blvd.
Entity Address, Address Line Two 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
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, $.01 par value per share
Trading Symbol DCO
Security Exchange Name NYSE
Entity Emerging Growth Company false