Goodwill and Other Intangible Assets - Future Amortization Expense of Other Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Finite Lived Intangible Assets Future Amortization Expense [Line Items]
2014	$ 10,361
2015	10,032
2016	9,427
2017	9,213
2018	9,042
Thereafter	84,452
Finite Lived Intangible Assets, Amortization Expense, Net, Total	132,527
Ducommun AeroStructures
Finite Lived Intangible Assets Future Amortization Expense [Line Items]
2014	1,717
2015	1,386
2016	1,123
2017	907
2018	737
Thereafter	2,100
Finite Lived Intangible Assets, Amortization Expense, Net, Total	7,970
Ducommun LaBarge Technologies
Finite Lived Intangible Assets Future Amortization Expense [Line Items]
2014	8,644
2015	8,646
2016	8,304
2017	8,306
2018	8,305
Thereafter	82,352
Finite Lived Intangible Assets, Amortization Expense, Net, Total	$ 124,557