Document and Entity Information
| Document and Entity Information | Jun. 28, 2024 |
| Document And Entity Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Jun. 28, 2024 |
| Entity Registrant Name | DUCOMMUN INCORPORATED |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-08174 |
| Entity Tax Identification Number | 95-0693330 |
| Entity Address Address Line 1 | 600 Anton Blvd. |
| Entity Address Address Line 2 | Suite 1100 |
| Entity Address City Or Town | Costa Mesa |
| Entity Address State Or Province | CA |
| Entity Address Postal Zip Code | 92626 |
| 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 |
| Current Fiscal Year End Date | --12-31 |
| Entity Central Index Key | 0000030305 |
| Amendment Flag | false |
| Former Address [Member] | |
| Document And Entity Information [Line Items] | |
| Entity Address Address Line 1 | 200 Sandpointe Avenue |
| Entity Address Address Line 2 | Suite 700 |
| Entity Address City Or Town | Santa Ana |
| Entity Address State Or Province | CA |
| Entity Address Postal Zip Code | 92707-5759 |