Contingencies - Additional Information (Detail) (USD $)	12 Months Ended
Dec. 31, 2014 AirCraft
Loss Contingencies [Line Items]
Number of Boeing aircraft subject to lawsuit	21dco_NumberOfAircraftSubjectToLawsuit
Scenario 1
Loss Contingencies [Line Items]
Estimate of possible loss	1,600,000,000
Scenario 2
Loss Contingencies [Line Items]
Estimate of possible loss	851,000,000
For each false claim made on or before September 28, 1999
Loss Contingencies [Line Items]
Civil penalty	10,000
For each false claim made on or after September 28, 1999
Loss Contingencies [Line Items]
Civil penalty	11,000
Ducommun AeroStructures \| El Mirage and Monrovia, California
Loss Contingencies [Line Items]
Reserve for estimated liability	1,500,000
Ducommun AeroStructures \| Casmalia and West Covina, California
Loss Contingencies [Line Items]
Reserve for estimated liability	400,000
Possible Loss, minimum	400,000
Possible Loss, maximum	3,100,000

Loss Contingency, Civil Penalties

No definition available.

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- Definition

Number of Aircraft Subject to Lawsuit

+ References

No definition available.

+ Details

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- Details

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

+ Details

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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 9

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

+ Details

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- Definition

The estimated maximum amount of possible loss from the contingency.

+ References

+ Details

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- Definition

The estimated minimum amount of possible loss from the contingency.

+ References

+ Details

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