Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The carrying amounts of goodwill, by operating segment, for the years ended December 31, 2018 and 2017 were as follows:

	(In thousands)
	Electronic Systems			Structural Systems		Consolidated Ducommun
Gross goodwill	$	199,157		$	—	$	199,157
Accumulated goodwill impairment	(81,722		)	—		(81,722		)
Balance at December 31, 2017	117,435			—		117,435
Goodwill from acquisition during the period	—			18,622		18,622
Balance at December 31, 2018	$	117,435		$	18,622	$	136,057

Other Intangible Assets

Intangible assets are as follows:

		(In thousands)
		December 31, 2018						December 31, 2017
	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	17	$	187,200	$	77,824	$	109,376	$	180,300	$	67,449	$	112,851
Trade names	13	2,500		193		2,307		1,300		26		1,274
Contract renewal	14	1,845		1,625		220		1,845		1,493		352
Technology	15	400		211		189		400		184		216
Total		$	191,945	$	79,853	$	112,092	$	183,845	$	69,152	$	114,693

The carrying amount of other intangible assets by operating segment as of December 31, 2018 and 2017 was as follows:

	(In thousands)
	December 31, 2018						December 31, 2017
	Gross		Accumulated Amortization		Net Carrying Value		Gross		Accumulated Amortization		Net Carrying Value
Other intangible assets
Electronic Systems	$	164,545	$	62,108	$	102,437	$	164,545	$	52,688	$	111,857
Structural Systems	27,400		17,745		9,655		19,300		16,464		2,836
Total	$	191,945	$	79,853	$	112,092	$	183,845	$	69,152	$	114,693

Summary of Future Amortization Expense

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

	(In thousands)
	Electronic Systems		Structural Systems		Consolidated Ducommun
2019	$	9,419	$	1,401	$	10,820
2020	9,348		1,300		10,648
2021	9,287		1,191		10,478
2022	9,288		1,130		10,418
2023	9,287		1,072		10,359
Thereafter	55,808		3,561		59,369
	$	102,437	$	9,655	$	112,092