Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The carrying amounts of goodwill, by operating segment, for the years ended December 31, 2016 and 2015 were as follows:

	(In thousands)
	Structural Systems			Electronic Systems			Consolidated Ducommun
Gross goodwill	$	57,243		$	182,048		$	239,291
Accumulated goodwill impairment	(57,243		)	(81,722		)	(138,965		)
Transfer to assets held for sale	—			(17,772		)	(17,772		)
Balance at December 31, 2015	$	—		$	82,554		$	82,554
Balance at December 31, 2016	$	—		$	82,554		$	82,554

Other Intangible Assets

Intangible assets are as follows:

		(In thousands)
		December 31, 2016						December 31, 2015
	Wtd. Avg Life (Yrs)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived assets
Customer relationships	18	$	159,200	$	58,352	$	100,848	$	159,200	$	49,463	$	109,737
Contract renewal	14	1,845		1,362		483		1,845		1,230		615
Technology	15	400		158		242		400		131		269
Total		$	161,445	$	59,872	$	101,573	$	161,445	$	50,824	$	110,621

The carrying amount of other intangible assets by operating segment as of December 31, 2016 and 2015 was as follows:

	(In thousands)
	December 31, 2016						December 31, 2015
	Gross		Accumulated Amortization		Net Carrying Value		Gross		Accumulated Amortization		Net Carrying Value
Other intangible assets
Structural Systems	$	19,300	$	15,555	$	3,745	$	19,300	$	14,433	$	4,867
Electronic Systems	142,145		44,317		97,828		142,145		36,391		105,754
Total	$	161,445	$	59,872	$	101,573	$	161,445	$	50,824	$	110,621

Summary of Future Amortization Expense

Future amortization expense by operating segment is expected to be as follows:

	(In thousands)
	Structural Systems		Electronic Systems		Consolidated Ducommun
2017	$	907	$	7,927	$	8,834
2018	737		7,927		8,664
2019	591		7,926		8,517
2020	490		7,883		8,373
2021	381		7,794		8,175
Thereafter	639		58,371		59,010
	$	3,745	$	97,828	$	101,573