10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 _________________________________________________________

FORM 10-Q

_________________________________________________________

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 29, 2019

OR

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission File Number 001-08174

_________________________________________________________

DUCOMMUN INCORPORATED

(Exact name of registrant as specified in its charter)

_________________________________________________________

Delaware	95-0693330
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
200 Sandpointe Avenue, Suite 700, Santa Ana, California	92707-5759
(Address of principal executive offices)	(Zip code)

Registrant’s telephone number, including area code: (657) 335-3665

N/A

(Former name, former address and former fiscal year, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $.01 par value per share	DCO	New York Stock Exchange

_________________________________________________________

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  x  No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x    No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	¨	Accelerated filer	x
Non-accelerated filer	¨	Smaller reporting company	¨
		Emerging growth company	¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.    ¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No  x

As of July 24, 2019, the registrant had 11,531,959 shares of common stock outstanding.

DUCOMMUN INCORPORATED AND SUBSIDIARIES

			Page
PART I. FINANCIAL INFORMATION
	Item 1.	Financial Statements (unaudited)	3
		Condensed Consolidated Balance Sheets as of June 29, 2019 and December 31, 2018	3
		Condensed Consolidated Statements of Income for the Three Months and Six Months Ended June 29, 2019 and June 30, 2018	4
		Condensed Consolidated Statements of Comprehensive Income for the Three Months and Six Months Ended June 29, 2019 and June 30, 2018	5
		Condensed Consolidated Statements of Changes in Shareholders’ Equity for the Three Months and Six Months Ended June 29, 2019 and June 30, 2018	6
		Condensed Consolidated Statements of Cash Flows for the Six Months Ended June 29, 2019 and June 30, 2018	7
		Notes to Condensed Consolidated Financial Statements	8
	Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	23
	Item 3.	Quantitative and Qualitative Disclosures About Market Risk	32
	Item 4.	Controls and Procedures	33
PART II. OTHER INFORMATION
	Item 1.	Legal Proceedings	33
	Item 1A.	Risk Factors	33
	Item 4.	Mine Safety Disclosures	33
	Item 6.	Exhibits	34
Signatures			37

2

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

Ducommun Incorporated and Subsidiaries

Condensed Consolidated Balance Sheets

(Unaudited)

(Dollars in thousands, except share and per share data)

	June 29, 2019			December 31, 2018
Assets
Current Assets
Cash and cash equivalents	$	3,287		$	10,263
Restricted cash	757			—
Accounts receivable, net of allowance for doubtful accounts of $744 and $1,135 at June 29, 2019 and December 31, 2018, respectively	69,355			67,819
Contract assets	100,527			86,665
Inventories	109,327			101,125
Production cost of contracts	11,298			11,679
Other current assets	5,929			6,531
Total Current Assets	300,480			284,082
Property and equipment, net of accumulated depreciation of $161,655 and $154,840 at June 29, 2019 and December 31, 2018, respectively	111,373			107,045
Operating lease right-of-use assets	19,148			—
Goodwill	136,057			136,057
Intangibles, net	106,710			112,092
Non-current deferred income taxes	313			308
Other assets	5,514			5,155
Total Assets	$	679,595		$	644,739
Liabilities and Shareholders’ Equity
Current Liabilities
Accounts payable	$	79,279		$	69,274
Contract liabilities	13,183			17,145
Accrued and other liabilities	33,349			37,786
Operating lease liabilities	2,858			—
Current portion of long-term debt	2,281			2,330
Total Current Liabilities	130,950			126,535
Long-term debt	225,605			228,868
Non-current operating lease liabilities	17,911			—
Non-current deferred income taxes	18,175			18,070
Other long-term liabilities	14,724			14,441
Total Liabilities	407,365			387,914
Commitments and contingencies (Notes 10, 12)
Shareholders’ Equity
Common stock - $0.01 par value; 35,000,000 shares authorized; 11,526,138 and 11,417,863 shares issued and outstanding at June 29, 2019 and December 31, 2018, respectively	115			114
Additional paid-in capital	83,844			83,712
Retained earnings	195,379			180,356
Accumulated other comprehensive loss	(7,108		)	(7,357		)
Total Shareholders’ Equity	272,230			256,825
Total Liabilities and Shareholders’ Equity	$	679,595		$	644,739

See accompanying notes to Condensed Consolidated Financial Statements.

3

Ducommun Incorporated and Subsidiaries

Condensed Consolidated Statements of Income

(Unaudited)

(Dollars in thousands, except per share amounts)

	Three Months Ended						Six Months Ended
	June 29, 2019			June 30, 2018			June 29, 2019			June 30, 2018
Net Revenues	$	180,495		$	154,827		$	353,061		$	305,282
Cost of Sales	142,430			122,799			279,302			246,499
Gross Profit	38,065			32,028			73,759			58,783
Selling, General and Administrative Expenses	24,461			21,194			47,307			40,521
Restructuring Charges	—			5,238			—			7,411
Operating Income	13,604			5,596			26,452			10,851
Interest Expense	(4,426		)	(3,763		)	(8,777		)	(6,661		)
Income Before Taxes	9,178			1,833			17,675			4,190
Income Tax Expense (Benefit)	1,363			242			2,388			(1		)
Net Income	$	7,815		$	1,591		$	15,287		$	4,191
Earnings Per Share
Basic earnings per share	$	0.68		$	0.14		$	1.33		$	0.37
Diluted earnings per share	$	0.66		$	0.14		$	1.30		$	0.36
Weighted-Average Number of Common Shares Outstanding
Basic	11,513			11,394			11,475			11,370
Diluted	11,758			11,624			11,754			11,609

See accompanying notes to Condensed Consolidated Financial Statements.

4

Ducommun Incorporated and Subsidiaries

Condensed Consolidated Statements of Comprehensive Income

(Unaudited)

(Dollars in thousands)

	Three Months Ended					Six Months Ended
	June 29, 2019			June 30, 2018		June 29, 2019			June 30, 2018
Net Income	$	7,815		$	1,591	$	15,287		$	4,191
Other Comprehensive Income (Loss), Net of Tax:
Amortization of actuarial loss and prior service costs, net of tax of $51 and $44 for the three months ended June 29, 2019 and June 30, 2018, respectively, and $103 and $89 for the six months ended June 29, 2019 and June 30, 2018, respectively	170			142		340			283
Change in unrealized gains and losses on cash flow hedges, net of tax of $5 and $28 for the three months ended June 29, 2019 and June 30, 2018, respectively, and $27 and $89 for the six months ended June 29, 2019 and June 30, 2018, respectively	(7		)	153		(91		)	465
Other Comprehensive Income (Loss), Net of Tax	163			295		249			748
Comprehensive Income	$	7,978		$	1,886	$	15,536		$	4,939

See accompanying notes to Condensed Consolidated Financial Statements.

5

Ducommun Incorporated and Subsidiaries

Condensed Consolidated Statements of Changes in Shareholders’ Equity

(Unaudited)

(Dollars in thousands)

	Three Months Ended						Six Months Ended
	June 29, 2019			June 30, 2018			June 29, 2019			June 30, 2018
Common Stock and Paid-in-Capital
Balance, Beginning of Period	$	83,485		$	80,635		$	83,826		$	80,336
Stock Options Exercised	742			737			839			858
Stock Awards Vested	2,339			410			6,635			2,717
Stock Repurchased Related to Stock Options Exercised and Stock Awards Vested	(4,414		)	(1,363		)	(10,612		)	(4,739		)
Stock-Based Compensation	1,807			1,026			3,271			2,273
Balance, End of Period	83,959			81,445			83,959			81,445
Retained Earnings
Balance, Beginning of Period	187,564			173,921			180,356			161,364
Net Income	7,815			1,591			15,287			4,191
Adoption of ASC 842 Adjustment	—			—			(264		)	—
Adoption of ASC 606 Adjustment	—			—			—			8,665
Adoption of ASU 2018-02 Adjustment	—			—			—			1,292
Balance, End of Period	195,379			175,512			195,379			175,512
Accumulated Other Comprehensive Loss
Balance, Beginning of Period	(7,271		)	(6,982		)	(7,357		)	(6,117		)
Other Comprehensive Income, Net of Tax	163			295			249			748
Adoption of ASU 2018-02 Adjustment	—			—			—			(1,318		)
Balance, End of Period	(7,108		)	(6,687		)	(7,108		)	(6,687		)
Total Stockholders’ Equity	$	272,230		$	250,270		$	272,230		$	250,270

See accompanying notes to Condensed Consolidated Financial Statements.

6

Ducommun Incorporated and Subsidiaries

Condensed Consolidated Statements of Cash Flows

(Unaudited)

(Dollars in thousands)

	Six Months Ended
	June 29, 2019			June 30, 2018
Cash Flows from Operating Activities
Net Income	$	15,287		$	4,191
Adjustments to Reconcile Net Income to
Net Cash Provided by Operating Activities:
Depreciation and amortization	13,759			12,315
Non-cash operating lease cost	1,373			—
Property and equipment impairment due to restructuring	—			4,375
Stock-based compensation expense	3,271			2,115
Deferred income taxes	181			3,966
Recovery of doubtful accounts	(391		)	(30		)
Other	(297		)	9,050
Changes in Assets and Liabilities:
Accounts receivable	(1,145		)	11,172
Contract assets	(13,862		)	(81,663		)
Inventories	(8,202		)	29,417
Production cost of contracts	(1,161		)	160
Other assets	473			1,475
Accounts payable	7,158			20,117
Contract liabilities	(3,962		)	15,164
Accrued and other liabilities	(4,432		)	(5,597		)
Net Cash Provided by Operating Activities	8,050			26,227
Cash Flows from Investing Activities
Purchases of property and equipment	(7,566		)	(7,513		)
Proceeds from sale of assets	—			67
Payments for acquisition of Certified Thermoplastics Co., LLC, net of cash acquired	—			(30,993		)
Net Cash Used in Investing Activities	(7,566		)	(38,439		)
Cash Flows from Financing Activities
Borrowings from senior secured revolving credit facility	106,800			189,600
Repayments of senior secured revolving credit facility	(104,300		)	(175,000		)
Repayments of term loan	(6,000		)	—
Repayments of other debt and finance lease obligations	(65		)	—
Net cash paid upon issuance of common stock under stock plans	(3,138		)	(1,006		)
Net Cash (Used in) Provided by Financing Activities	(6,703		)	13,594
Net (Decrease) Increase in Cash, Cash Equivalents, and Restricted Cash	(6,219		)	1,382
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	10,263			2,150
Cash, Cash Equivalents, and Restricted Cash at End of Period	$	4,044		$	3,532

See accompanying notes to Condensed Consolidated Financial Statements.

7

Ducommun Incorporated and Subsidiaries

Notes to Condensed Consolidated Financial Statements (Unaudited)

Note 1. Summary of Significant Accounting Policies

Description of Business

We are a leading global provider of engineering and manufacturing services for high-performance products and high-cost-of failure applications used primarily in the aerospace and defense (“A&D”), industrial, medical and other industries (collectively, “Industrial”). Our operations are organized into two primary businesses: Electronic Systems segment and Structural Systems segment, each of which is a reportable operating segment. Electronic Systems designs, engineers and manufactures high-reliability electronic and electromechanical products used in worldwide technology-driven markets including A&D and Industrial end-use markets. Electronic Systems’ product offerings primarily range from prototype development to complex assemblies. Structural Systems designs, engineers and manufactures large, complex contoured aerostructure components and assemblies and supplies composite and metal bonded structures and assemblies. Structural Systems’ products are primarily used on commercial aircraft, military fixed-wing aircraft, and military and commercial rotary-wing aircraft. All reportable operating segments follow the same accounting principles.

Basis of Presentation

The unaudited condensed consolidated financial statements include the accounts of Ducommun Incorporated and its subsidiaries (“Ducommun,” the “Company,” “we,” “us” or “our”), after eliminating intercompany balances and transactions. The December 31, 2018 condensed consolidated balance sheet data was derived from audited financial statements, but does not contain all disclosures required by accounting principles generally accepted in the United States of America (“GAAP”).

Our significant accounting policies were described in Part IV, Item 15(a)(1), “Note 1. Summary of Significant Accounting Policies” in our Annual Report on Form 10-K for the year ended December 31, 2018. We followed the same accounting policies for interim reporting except for the change in our lease accounting practices described below. The financial information included in this Quarterly Report on Form 10-Q should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2018.

In the opinion of management, all adjustments, consisting of recurring accruals, have been made that are necessary to fairly state our condensed consolidated financial position, statements of income, comprehensive income and cash flows in accordance with GAAP for the periods covered by this Quarterly Report on Form 10-Q. The results of operations for the three and six months ended June 29, 2019 are not necessarily indicative of the results to be expected for the full year ending December 31, 2019.

Our fiscal quarters typically end on the Saturday closest to the end of March, June and September for the first three fiscal quarters of each year, and ends on December 31 for our fourth fiscal quarter. As a result of using fiscal quarters for the first three quarters combined with leap years, our first and fourth fiscal quarters can range between 12 1/2 weeks to 13 1/2 weeks while the second and third fiscal quarters remain at a constant 13 weeks per fiscal quarter.

Certain reclassifications have been made to prior period amounts to conform to the current year’s presentation.

Changes in Accounting Policies

We adopted Accounting Standards Codification (“ASC”) 842, “Leases” (“ASC 842”), on January 1, 2019. As a result, we changed our accounting policy for lease accounting as discussed in Note 2.

We applied ASC 842 using the additional transition method and therefore, recognized the cumulative effect of initially applying ASC 842 as an adjustment to the opening condensed consolidated balance sheet at January 1, 2019. Therefore, the comparative information has not been adjusted and continues to be reported under the previous lease accounting standard, ASC 840, “Leases” (“ASC 840”). The details of the significant changes and quantitative impact of the changes are described in Note 2.

Use of Estimates

Certain amounts and disclosures included in the unaudited condensed consolidated financial statements require management to make estimates and judgments that affect the amounts of assets, liabilities (including forward loss reserves), revenues and expenses, and related disclosures of contingent assets and liabilities. These estimates are based on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates.

8

Supplemental Cash Flow Information

	(In thousands)
	Six Months Ended
	June 29, 2019		June 30, 2018
Interest paid	$	7,985	$	5,202
Taxes paid	$	3,389	$	91
Non-cash activities:
Purchases of property and equipment not paid	$	3,671	$	1,589

Earnings Per Share

Basic earnings per share are computed by dividing income available to common shareholders by the weighted-average number of common shares outstanding in each period. Diluted earnings per share is computed by dividing income available to common shareholders by the weighted-average number of common shares outstanding, plus any potentially dilutive shares that could be issued if exercised or converted into common stock in each period.

The net income and weighted-average common shares outstanding used to compute earnings per share were as follows:

	(In thousands, except per share data)				(In thousands, except per share data)
	Three Months Ended				Six Months Ended
	June 29, 2019		June 30, 2018		June 29, 2019		June 30, 2018
Net income	$	7,815	$	1,591	$	15,287	$	4,191
Weighted-average number of common shares outstanding
Basic weighted-average common shares outstanding	11,513		11,394		11,475		11,370
Dilutive potential common shares	245		230		279		239
Diluted weighted-average common shares outstanding	11,758		11,624		11,754		11,609
Earnings per share
Basic	$	0.68	$	0.14	$	1.33	$	0.37
Diluted	$	0.66	$	0.14	$	1.30	$	0.36

Potentially dilutive stock options and stock awards to purchase common stock, as shown below, were excluded from the computation of diluted earnings per share because their inclusion would have been anti-dilutive. However, these shares may be potentially dilutive common shares in the future.

	(In thousands)		(In thousands)
	Three Months Ended		Six Months Ended
	June 29, 2019	June 30, 2018	June 29, 2019	June 30, 2018
Stock options and stock units	66	224	55	186

Fair Value

Assets and liabilities that are measured, recorded or disclosed at fair value on a recurring basis are categorized using the fair value hierarchy. The fair value hierarchy has three levels based on the reliability of the inputs used to determine the fair value. Level 1, the highest level, refers to the values determined based on quoted prices in active markets for identical assets. Level 2 refers to fair values estimated using significant observable inputs. Level 3, the lowest level, includes fair values estimated using significant unobservable inputs.

We have money market funds and they are included as cash and cash equivalents. We also have interest rate cap hedge agreements and the fair value of the interest rate cap hedge agreements were determined using pricing models that use observable market inputs as of the balance sheet date, a Level 2 measurement. The interest rate cap hedge premium as of June 29, 2019 is less than $0.1 million and is included as other current assets.

There were no transfers between Level 1, Level 2, or Level 3 financial instruments in the three months ended June 29, 2019.

9

Cash and Cash Equivalents

Cash equivalents consist of highly liquid instruments purchased with original maturities of three months or less. These assets are valued at cost, which approximates fair value, which we classify as Level 1. See Fair Value above.

Restricted Cash

Restricted cash consists of cash withheld from our employees’ salary who have enrolled in our employee stock purchase plan (“ESPP”). An offering period is six months and each employee determines the percentage of their salary that will be withheld during that six month offering period. At the end of the six month offering period, the amounts withheld will be used to purchase our Company’s stock at a discounted price. Employees have the option to withdraw from the ESPP during the six month offering period and the cash withheld to date will be returned to the employee. Thus, the entire balance of restricted cash is short term.

Derivative Instruments

We recognize derivative instruments on our condensed consolidated balance sheets at their fair value. On the date that we enter into a derivative contract, we designate the derivative instrument as a fair value hedge, a cash flow hedge, a hedge of a net investment in a foreign operation, or a derivative instrument that will not be accounted for using hedge accounting methods. As of June 29, 2019, all of our derivative instruments were designated as cash flow hedges.

We record changes in the fair value of a derivative instrument that is highly effective and that is designated and qualifies as a cash flow hedge in other comprehensive income (loss), net of tax until our earnings are affected by the variability of cash flows of the underlying hedge. We record any hedge ineffectiveness and amounts excluded from effectiveness testing in current period earnings within interest expense. We report changes in the fair values of derivative instruments that are not designated or do not qualify for hedge accounting in current period earnings. We classify cash flows from derivative instruments in the condensed consolidated statements of cash flows in the same category as the item being hedged or on a basis consistent with the nature of the instrument. For the three and six months ended June 29, 2019, the impact of cash flow hedges in the respective periods were insignificant.

When we determine that a derivative instrument is not highly effective as a hedge, we discontinue hedge accounting prospectively. In all situations in which we discontinue hedge accounting and the derivative instrument remains outstanding, we will carry the derivative instrument at its fair value on our condensed consolidated balance sheets and recognize subsequent changes in its fair value in our current period earnings.

Inventories

Inventories are stated at the lower of cost or net realizable value with cost being determined using a moving average cost basis for raw materials and actual cost for work-in-process and finished goods. The majority of our inventory is charged to cost of sales as raw materials are placed into production and the related revenue is recognized. Inventoried costs include raw materials, outside processing, direct labor and allocated overhead, adjusted for any abnormal amounts of idle facility expense, freight, handling costs, and wasted materials (spoilage) incurred. We assess the inventory carrying value and reduce it, if necessary, to its net realizable value based on customer orders on hand, and internal demand forecasts using management’s best estimates given information currently available. The majority of our revenue are recognized over time, however, for revenue contracts where revenue is recognized using the point in time method, inventory is not reduced until it is shipped or transfer of control to the customer has occurred. Our ending inventory consists of raw materials, work-in-process, and finished goods.

Production Cost of Contracts

Production cost of contracts includes non-recurring production costs, such as design and engineering costs, and tooling and other special-purpose machinery necessary to build parts as specified in a contract. Production costs of contracts are recorded to cost of sales using the over time revenue recognition model. We review the value of the production cost of contracts on a quarterly basis to ensure when added to the estimated cost to complete, the value is not greater than the estimated realizable value of the related contracts.

Accumulated Other Comprehensive Loss

Accumulated other comprehensive loss, as reflected on the condensed consolidated balance sheets under the equity section, was comprised of cumulative pension and retirement liability adjustments, net of tax, and change in net unrealized gains and losses on cash flow hedges, net of tax.

10

Provision for Estimated Losses on Contracts

We record provisions for the total anticipated losses on contracts, considering total estimated costs to complete the contract compared to total anticipated revenues, in the period in which such losses are identified. The provisions for estimated losses on contracts require us to make certain estimates and assumptions, including those with respect to the future revenue under a contract and the future cost to complete the contract. Our estimate of the future cost to complete a contract may include assumptions as to changes in manufacturing efficiency, operating and material costs, and our ability to resolve claims and assertions with our customers. If any of these or other assumptions and estimates do not materialize in the future, we may be required to adjust the provisions for estimated losses on contracts. The provision for estimated losses on contracts is included as part of contract liabilities on the condensed consolidated balance sheets.

Revenue Recognition

Our customers typically engage us to manufacture products based on designs and specifications provided by the end-use customer. This requires the building of tooling and manufacturing first article inspection products (prototypes) before volume manufacturing. Contracts with our customers generally include a termination for convenience clause.

We have a significant number of contracts that are started and completed within the same year, as well as contracts derived from long-term agreements and programs that can span several years. We recognize revenue under ASC 606, which utilizes a five-step model.

The definition of a contract for us is typically defined as a customer purchase order as this is when we achieve an enforceable right to payment. The majority of our contracts are firm fixed-price contracts. The deliverables within a customer purchase order are analyzed to determine the number of performance obligations. In addition, at times, in order to achieve economies of scale and based on our customer’s forecasted demand, we may build in advance of receiving a purchase order from our customer. When that occurs, we would not recognize revenue until we have received the customer purchase order.

A performance obligation is a promise in a contract to transfer a distinct good or service to the customer, and is the unit of account under ASC 606. A contract’s transaction price is allocated to each distinct performance obligation and recognized as revenue when, or as, control is transferred and the performance obligation is satisfied. The majority of our contracts have a single performance obligation as the promise to transfer the individual goods or services are highly interrelated or met the series guidance. For contracts with multiple performance obligations, we allocate the contract transaction price to each performance obligation using our best estimate of the standalone selling price of each distinct good or service in the contract. The primary method used to estimate the standalone selling price is the expected cost plus a margin approach, under which we forecast our expected costs of satisfying a performance obligation and then add an appropriate margin for that distinct good or service.

The majority of our performance obligations are satisfied over time as work progresses. Typically, revenue is recognized over time using an input measure (i.e., costs incurred to date relative to total estimated costs at completion, also known as cost-to-cost plus reasonable profit) to measure progress. Our typical revenue contract is a firm fixed price contract, and the cost of raw materials could make up a significant amount of the total costs incurred. As such, we believe using the total costs incurred input method would be the most appropriate method. While the cost of raw materials could make up a significant amount of the total costs incurred, there is a direct relationship between our inputs and the transfer of control of goods or services to the customer in the event the customer invokes the termination for convenience clause, we would be entitled to costs incurred to date plus a reasonable profit. The majority of our revenues are recognized over time. Contract costs typically include labor, materials, overhead, and when applicable, subcontractor costs.

Contract estimates are based on various assumptions to project the outcome of future events that can span multiple months or years. These assumptions include labor productivity and availability; the complexity of the work to be performed; the cost and availability of materials; and the performance of subcontractors.

As a significant change in one or more of these estimates could affect the profitability of our contracts, we review and update our contract-related estimates on a regular basis. We recognize adjustments in estimated profit on contracts under the cumulative catch-up method. Under this method, the impact of the adjustment on profit recorded to date is recognized in the period the adjustment is identified. Revenue and profit in future periods of contract performance is recognized using the adjusted estimate. If at any time the estimate of contract profitability indicates an anticipated loss on the contract, we recognize the total loss in the quarter it is identified.

The impact of adjustments in contract estimates on our operating earnings can be reflected in either operating costs and expenses or revenue.

Net cumulative catch up adjustments on profit recorded were not material during the three and six months ended June 29, 2019.

11

Payments under long-term contracts may be received before or after revenue is recognized. When revenue is recognized before we bill our customer, a contract asset is created for the work performed but not yet billed. Similarly, when we receive payment before we ship our products to our customer, a contract liability is created for the advance or progress payment.

Contract Assets and Contract Liabilities

Contract assets consist of our right to payment for work performed but not yet billed. Contract assets are transferred to accounts receivable when we ship the products to our customers and meet the shipping terms within the revenue contract. Contract liabilities consist of advance or progress payments received from our customers prior to the time transfer of control occurs plus the estimated losses on contracts.

Contract assets and contract liabilities from revenue contracts with customers are as follows:

	(In thousands)
	June 29, 2019		December 31, 2018
Contract assets	$	100,527	$	86,665
Contract liabilities	$	13,183	$	17,145

Remaining performance obligations are defined as customer placed purchase orders (“POs”) with firm fixed price and firm delivery dates. Our remaining performance obligations as of June 29, 2019 totaled $666.5 million. We anticipate recognizing an estimated 70% of our remaining performance obligations as revenue during the next 12 months with the remaining performance obligations being recognized in the remainder of 2020 and beyond.

Revenue by Category

In addition to the revenue categories disclosed above, the following table reflects our revenue disaggregated by major end-use market:

	(In thousands)				(In thousands)
	Three Months Ended				Six Months Ended
	June 29 2019		June 30, 2018		June 29 2019		June 30, 2018
Consolidated Ducommun
Military and space	$	77,189	$	70,326	$	150,886	$	136,681
Commercial aerospace	91,988		71,844		180,456		142,676
Industrial	11,318		12,657		21,719		25,925
Total	$	180,495	$	154,827	$	353,061	$	305,282
Electronic Systems
Military and space	$	60,272	$	54,368	$	117,704	$	106,901
Commercial aerospace	17,670		17,477		34,034		34,084
Industrial	11,318		12,657		21,719		25,925
Total	$	89,260	$	84,502	$	173,457	$	166,910
Structural Systems
Military and space	$	16,917	$	15,958	$	33,182	$	29,780
Commercial aerospace	74,318		54,367		146,422		108,592
Total	$	91,235	$	70,325	$	179,604	$	138,372

Recent Accounting Pronouncements

New Accounting Guidance Adopted in 2019

In August 2017, the FASB issued ASU 2017-12, “Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging” (“ASU 2017-12”), which intends to improve and simplify accounting rules around hedge accounting. ASU 2017-12 refines and expands hedge accounting for both financial (i.e., interest rate) and commodity risks. In addition, it creates more transparency around how economic results are presented, both on the face of the financial statements and in the footnotes. The new guidance is effective for annual periods beginning after December 15, 2018, including interim periods within those annual periods, which is our interim period beginning January 1, 2019. Early adoption is permitted, including adoption in any

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interim period after the issuance of ASU 2017-12. The adoption of this standard did not have a material impact on our condensed consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04, “Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment” (“ASU 2017-04”), which simplifies the subsequent measurement of goodwill, the amendments eliminate Step Two from the goodwill impairment test. The annual, or interim, goodwill impairment test is performed by comparing the fair value of a reporting unit with its carrying amount. An impairment charge should be recognized for the amount by which the carrying amount exceeds the reporting unit’s fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. In addition, income tax effects from any tax deductible goodwill on the carrying amount of the reporting unit should be considered when measuring the goodwill impairment loss, if applicable. The amendments also eliminate the requirements for any reporting unit with a zero or negative carrying amount to perform a qualitative assessment and, if it fails that qualitative test, to perform Step Two of the goodwill impairment test. An entity still has the option to perform the qualitative assessment for a reporting unit to determine if the quantitative impairment test is necessary. The new guidance is effective for annual or interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. The adoption of this standard did not have a material impact on our condensed consolidated financial statements.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842)” (“ASU 2016-02”), which requires lessees to present right-of-use assets and lease liabilities on the balance sheet. Lessees are required to apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements or the additional transition method. Under the additional transition method, the cumulative effect of applying the new guidance is recognized as an adjustment to certain captions on the balance sheet, including the opening balance of retained earnings in the first quarter of 2019, and the prior years’ financial information will be presented under the prior accounting standard, ASC 840, “Leases,” (“ASC 840”). Additional guidance was issued subsequently as follows:

• July 2018, the FASB issued ASU 2018-11, “Leases (Topic 842): Targeted Improvements” (“ASU 2018-11”); and

• July 2018, the FASB issued ASU 2018-10, “Codification Improvements to Topic 842, Leases” (“ASU 2018-10”)

All the new guidance is effective for us beginning January 1, 2019. The cumulative impact to our retained earnings at January 1, 2019 was a net decrease of $0.3 million. See Note 2.

Recently Issued Accounting Standards

In April 2019, the FASB issued ASU 2019-04, “Codification Improvements to Topic 326, Financial Instruments - Credit Losses, Topic 815, Derivatives and Hedging, and Topic 825, Financial Statements” (“ASU 2019-04”), which clarify, correct, and improve various aspects of the guidance in ASU 2016-01, ASU 2016-13, and ASU 2017-12. The new guidance is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2020. We are evaluating the impact of this standard.

In March 2019, the FASB issued ASU 2019-01, “Leases (Topic 842): Codification Improvements” (“ASU 2019-01”), which addresses various lessor implementation issues and clarifies that lessees and lessors are exempt from certain interim disclosure requirements associated with the adoption of ASC 842. The new guidance is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2020. Early adoption is permitted. We are evaluating the impact of this standard.

In August 2018, the FASB issued ASU 2018-14, “Compensation - Retirement Benefits - Defined Benefit Plans - General (Topic 715-20): Disclosure Framework - Changes to the Disclosure Requirements for Defined Benefit Plans” (“ASU 2018-14”), which will remove disclosures that no longer are considered cost-beneficial, clarify the specific requirements of disclosures, and add disclosure requirements identified as relevant. The new guidance is effective for fiscal years beginning after December 15, 2020, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2021. Early adoption is permitted. We are evaluating the impact of this standard.

In August 2018, the FASB issued ASU 2018-13, “Fair Value Measurement (Topic 820): Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurement” (“ASU 2018-13”), which should improve the effectiveness of fair value measurement disclosures by removing certain requirements, modifying certain requirements, and adding certain new requirements. The new guidance is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2020. Early adoption is permitted. We are evaluating the impact of this standard.

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments” (“ASU 2016-13”), which is intended to improve financial reporting by requiring timelier recording of credit losses on loans and other financial instruments held by financial institutions and other organizations. ASU 2016-13 requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical

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experience, current conditions, and reasonable and supportable forecasts. Financial institutions and other organizations will now use forward-looking information to better inform their credit loss estimates. Many of the loss estimation techniques applied today will still be permitted, although the inputs to those techniques will change to reflect the full amount of expected credit losses. Organizations will continue to use judgment to determine which loss estimation method is appropriate for their circumstances. ASU 2016-13 requires enhanced disclosures to help investors and other financial statement users better understand significant estimates and judgments used in estimating credit losses, as well as the credit quality and underwriting standards of an organization’s portfolio. These disclosures include qualitative and quantitative requirements that provide additional information about the amounts recorded in the financial statements. The new guidance is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2020. We are evaluating the impact of this standard.

Note 2. Adoption of Accounting Standards Codification 842

We adopted ASC 842 with an initial application as of January 1, 2019. We utilized the additional transition method, under which the cumulative effect of initially applying the new guidance is recognized as an adjustment to certain captions on the condensed consolidated balance sheet, including the opening balance of retained earnings in the six months ended June 29, 2019. As part of the adoption of ASC 842, we have elected to utilize the following practical expedients that are permitted under ASC 842:

• Need not reassess whether any expired or existing contracts are or contain leases;

• Need not reassess the lease classification for any expired or existing leases;

• Need not reassess initial direct costs for any existing leases;

• As an accounting policy election by class of underlying asset, choose not to separate nonlease components from lease components and instead to account for each separate lease component and the nonlease components associated with that lease component as a single lease component; and

• As an accounting policy election not to apply the recognition requirements in ASC 842 to short term leases (a lease at commencement date has a lease term of 12 months or less and does not contain a purchase option that the lessee is reasonably certain to exercise).

The net impact to the various captions on our January 1, 2019 opening unaudited condensed consolidated balance sheets was as follows:

	(In thousands)
	December 31, 2018					January 1, 2019
Unaudited Condensed Consolidated Balance Sheets	Balances Without Adoption of ASC 842		Effect of Adoption			Balances With Adoption of ASC 842
Assets
Other current assets	$	6,531	$	(208	)	$	6,323
Operating lease right-of-use assets	$	—	$	18,985		$	18,985
Non-current deferred income taxes	$	308	$	5		$	313
Other assets	$	5,155	$	254		$	5,409
Liabilities
Operating lease liabilities	$	—	$	2,544		$	2,544
Accrued and other liabilities	$	37,786	$	(329	)	$	37,457
Non-current operating lease liabilities	$	—	$	18,117		$	18,117
Non-current deferred income taxes	$	18,070	$	(76	)	$	17,994
Other long-term liabilities	$	14,441	$	(956	)	$	13,485
Shareholders’ Equity
Retained earnings	$	180,356	$	264		$	180,620

The net impact to retained earnings as a result of adopting ASC 842 on the January 1, 2019 opening balance sheet was shown as a change in “other” on the condensed consolidated statements of cash flows.

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We have operating and finance leases for manufacturing facilities, corporate offices, and various equipment. Our leases have remaining lease terms of 1 year to 10 years, some of which include options to extend the leases for up to 10 years, and some of which include options to terminate the leases within 1 year.

The components of lease expense for the three and six months ended June 29, 2019 were as follows:

	(In thousands)
	Three Months Ended		Six Months Ended
	June 29, 2019		June 29, 2019
Operating leases expense	$	956	$	1,919
Finance leases expense:
Amortization of right-of-use assets	$	55	$	100
Interest on lease liabilities	11		20
Total finance lease expense	$	66	$	120

Short term lease expense for the three and six months ended June 29, 2019 were not material.

Supplemental cash flow information related to leases for the six months ended June 29, 2019 was as follows:

	(In thousands)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	1,980
Operating cash flows from finance leases	$	20
Financing cash flows from finance leases	$	68
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	1,437
Finance leases	$	457

The weighted average remaining lease terms as of June 29, 2019 were as follows:

	(In years)
Operating leases	8
Finance leases	5

When a lease is identified, we recognize a right-of-use asset and a corresponding lease liability based on the present value of the lease payments over the lease term discounted using our incremental borrowing rate, unless an implicit rate is readily determinable. As the discount rate in our leases is usually not readily available, we use our own incremental borrowing rate as the discount rate. Our incremental borrowing rate is based on the interest rate on our term loan, which is a secured rate.

The weighted average discount rate as of June 29, 2019 was as follows:

Operating leases	6.5	%
Finance leases	6.5	%

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Maturity of operating and finance lease liabilities are as follows:

	(In thousands)
	Operating Leases		Finance Leases
2019 (Excluding the six months ended June 29, 2019)	$	2,051	$	118
2020	4,096		229
2021	3,815		168
2022	3,479		53
2023	3,101		37
Thereafter	7,303		56
Total lease payments	23,845		661
Less imputed interest	5,137		91
Total	$	18,708	$	570

Operating lease payments include $11.4 million related to options to extend lease terms that are reasonably certain of being exercised. As of June 29, 2019, there are no legally binding minimum lease payments for leases signed but not yet commenced.

Finance lease payments related to options to extend lease terms that are reasonably certain of being exercised are not significant. As of June 29, 2019, it excludes $1.5 million of legally binding minimum lease payments for leases signed but not yet commenced. These finance leases will commence during 2019 with lease terms of 5 years to 10 years.

As previously disclosed in our 2018 Annual Report on Form 10-K and under the previous accounting maturities of lease liabilities were as follows as of December 31, 2018:

	(In thousands)
2019	$	3,680
2020	3,405
2021	2,789
2022	1,404
2023	980
Thereafter	580
Total	$	12,838

Note 3. Business Combination

In April 2018, we acquired 100.0% of the outstanding equity interests of Certified Thermoplastics Co., LLC (“CTP”), a privately-held leader in precision profile extrusions and extruded assemblies of engineered thermoplastic resins, compounds, and alloys for a wide range of commercial aerospace, defense, medical, and industrial applications. CTP is located in Santa Clarita, California. The acquisition of CTP was part of our strategy to diversify towards more customized, higher value, engineered products with greater aftermarket potential.

The purchase price for CTP was $30.7 million, net of cash acquired, all payable in cash. We paid an aggregate of $30.8 million in cash related to this transaction. We allocated the gross purchase price of $30.8 million to the assets acquired and liabilities assumed at estimated fair values. The estimated fair value of the assets acquired included $8.1 million of intangible assets, $2.2 million of inventories, $1.5 million of accounts receivable, $0.6 million of property and equipment, $0.1 million of cash, less than $0.1 million of other current assets, and $0.4 million of liabilities assumed. The excess of the purchase price over the aggregate fair values of the assets acquired and liabilities assumed of $18.6 million was recorded as goodwill. The intangible assets acquired were comprised of $6.9 million for customer relationships and $1.2 million for trade names and trademarks, all of which were assigned an estimated useful life of 10 years. All the goodwill was assigned to the Structural Systems segment. Since the CTP acquisition, for tax purposes, was deemed an asset acquisition, the goodwill recognized is deductible for income tax purposes.

CTP’s results of operations have been included in our condensed consolidated statements of income since the date of acquisition as part of the Structural Systems segment.

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Note 4. Restructuring Activities

In November 2017, management approved and commenced a restructuring plan that was intended to increase operating efficiencies (“2017 Restructuring Plan”). We completed the 2017 Restructuring Plan as of December 31, 2018 and have recorded cumulative expenses of $23.6 million, with $14.8 million recorded during 2018, and $8.8 million recorded during 2017.

In the Electronic Systems segment, we recorded cumulative expenses of $3.8 million for severance and benefits which were classified as restructuring charges. We recorded cumulative $0.9 million for loss on early exit from lease termination which were classified as restructuring charges. We also recorded cumulative expenses of $0.9 million of other expenses which were classified as restructuring charges. In addition, we have recorded cumulative expenses of $0.2 million for professional service fees which were classified as restructuring charges. Further, we also recorded cumulative non-cash expenses of $0.1 million for inventory write down which were classified as cost of sales. Finally, we recorded cumulative non-cash expenses of $0.1 million for property and equipment impairment which were classified as restructuring charges.

In the Structural Systems segment, we recorded cumulative expenses of $3.0 million for severance and benefits which were classified as restructuring charges. We have recorded cumulative non-cash expenses of $9.8 million for property and equipment impairment which were classified as restructuring charges. We also recorded cumulative non-cash expenses of $0.5 million for inventory write down which were classified as cost of sales. Further, we recorded cumulative other expenses of $0.4 million which were classified as restructuring charges.

In Corporate, we recorded cumulative expenses of $1.4 million for severance and benefits and cumulative non-cash expenses of $1.4 million for stock-based compensation awards which were modified, all of which were classified as restructuring charges. We also recorded cumulative expenses of $1.0 million for professional service fees which were classified as restructuring charges.

As of June 29, 2019, we have accrued $0.1 million, $0.1 million, and $0.1 million for severance and benefits and professional service fees in the Electronic Systems segment, Structural Systems segment, and Corporate, respectively.

Our restructuring activities in the six months ended June 29, 2019 were as follows (in thousands):

	December 31, 2018		Six Months Ended June 29, 2019									June 29, 2019
	Balance		Cash Payments			Adoption of ASU 842 Adjustment			Change in Estimates			Balance
Severance and benefits	$	2,631	$	(2,319	)	$	—		$	—		$	312
Lease termination	861		(126		)	(735		)	—			—
Professional service fees	43		(43		)	—			—			—
Other	416		(416		)	—			—			—
Total charged to restructuring charges	3,951		(2,904		)	(735		)	—			312
Inventory reserve	50		—			—			(50		)	—
Total charged to cost of sales	50		—			—			(50		)	—
Ending balance	$	4,001	$	(2,904	)	$	(735	)	$	(50	)	$	312

Note 5. Inventories

Inventories consisted of the following:

	(In thousands)
	June 29, 2019		December 31, 2018
Raw materials and supplies	$	97,735	$	89,767
Work in process	8,927		9,199
Finished goods	2,665		2,159
Total	$	109,327	$	101,125

Note 6. Goodwill

We perform our annual goodwill impairment test as of the first day of the fourth quarter. If certain factors occur, including significant under performance of our business relative to expected operating results, significant adverse economic and industry

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trends, significant decline in our market capitalization for an extended period of time relative to net book value, a decision to divest individual businesses within a reporting unit, or a decision to group individual businesses differently, we may perform an impairment test prior to the fourth quarter. In addition, we early adopted ASU 2017-04 on January 1, 2019 which simplified our goodwill impairment testing by eliminating Step Two of the goodwill impairment test. See Note 1.

We acquired Certified Thermoplastics Co., LLC (“CTP”) in April 2018 and recorded goodwill of $18.6 million in our Structural Systems segment. Since a goodwill impairment analysis is required to be performed within one year of the acquisition date or sooner upon a triggering event, we performed a Step One goodwill impairment analysis as of April 2019 for our Structural Systems segment. The fair value of our Structural Systems segment exceeded its carrying value by 85% and thus, was not deemed impaired.

The carrying amounts of our goodwill were as follows:

	Electronic Systems			Structural Systems		Consolidated Ducommun
Gross goodwill	$	199,157		$	18,622	$	217,779
Accumulated goodwill impairment	(81,722		)	—		(81,722		)
Balance at December 31, 2018	$	117,435		$	18,622	$	136,057
Balance at June 29, 2019	$	117,435		$	18,622	$	136,057

Note 7. Accrued and Other Liabilities

The components of accrued and other liabilities were as follows:

	(In thousands)
	June 29, 2019		December 31, 2018
Accrued compensation	$	26,160	$	29,616
Accrued income tax and sales tax	33		82
Other	7,156		8,088
Total	$	33,349	$	37,786

Note 8. Long-Term Debt

Long-term debt and the current period interest rates were as follows:

	(In thousands)
	June 29, 2019			December 31, 2018
Term loan	$	227,000		$	233,000
Revolving credit facility	2,500			—
Total debt	229,500			233,000
Less current portion	2,281			2,330
Total long-term debt, less current portion	227,219			230,670
Less debt issuance costs - term loan	1,614			1,802
Total long-term debt, net of debt issuance costs - term loan	225,605			228,868
Less debt issuance costs - revolving credit facility (1)	1,769			1,907
Total long-term debt, net of debt issuance costs	$	223,836		$	226,961
Weighted-average interest rate	6.91		%	4.71		%

(1) Included as part of other assets

In November 2018, we completed new credit facilities to replace the credit facilities existing at that time (“Existing Credit Facilities”). The new credit facilities consist of a $240.0 million senior secured term loan, which matures on November 21,

18

2025 (“New Term Loan”), and a $100.0 million senior secured revolving credit facility (“New Revolving Credit Facility”), which matures on November 21, 2023 (collectively, the “New Credit Facilities”).

The New Term Loan bears interest, at our option, at a rate equal to either (i) the Eurodollar Rate (defined as the London Interbank Offered Rate [“LIBOR”]) plus an applicable margin ranging from 3.75% to 4.00% per year or (ii) the Base Rate (defined as the highest of [a] Federal Funds Rate plus 0.50%, [b] Bank of America’s prime rate, and [c] the Eurodollar Rate plus 1.00%) plus an applicable margin ranging from 3.75% to 4.00% per year, in each case based upon the consolidated total net adjusted leverage ratio, typically payable quarterly. In addition, the New Term Loan requires installment payments of 0.25% of the outstanding principal balance of the New Term Loan amount on a quarterly basis. We made an aggregate total of $3.0 million and $6.0 million of voluntary and mandatory principal prepayments under the New Term Loan during the three and six months ended June 29, 2019, respectively.

The New Revolving Credit Facility bears interest, at our option, at a rate equal to either (i) the Eurodollar Rate (defined as LIBOR) plus an applicable margin ranging from 1.75% to 2.75% per year or (ii) the Base Rate (defined as the highest of [a] Federal Funds Rate plus 0.50%, [b] Bank of America’s prime rate, and [c] the Eurodollar Rate plus 1.00%) plus an applicable margin ranging from 0.75% to 1.75% per year, in each case based upon the consolidated total net adjusted leverage ratio, typically payable quarterly. The undrawn portion of the commitment of the New Revolving Credit Facility is subject to a commitment fee ranging from 0.20% to 0.30%, based upon the consolidated total net adjusted leverage ratio.

Further, if we meet the annual excess cash flow threshold, we will be required to make excess cash flow payments. The annual mandatory excess cash flow payments will be based on (i) 50% of the excess cash flow amount if the adjusted leverage ratio is greater than 3.25 to 1.0, (ii) 25% of the excess cash flow amount if the adjusted leverage ratio is less than or equal to 3.25 to 1.0 but greater than 2.50 to 1.0, and (iii) zero percent of the excess cash flow amount if the adjusted leverage ratio is less than or equal to 2.50 to 1.0. As of June 29, 2019, we were in compliance with all covenants required under the New Credit Facilities.

We had been making periodic voluntary principal prepayments on our Existing Credit Facilities and in conjunction with the closing of the New Credit Facilities on November 21, 2018, we drew down $240.0 million on the New Term Loan, $7.9 million on the New Revolving Credit Facility and used those proceeds along with current cash on hand to pay off the Existing Credit Facilities of $247.9 million. The New Term Loan replacing the term loan that was a part of the Existing Credit Facilities (“Existing Term Loan”) was considered an extinguishment of debt except for the portion related to a creditor that was part of the Existing Term Loan and the New Term Loan and in which case, it was considered a modification of debt. As a result, we expensed the portion of the unamortized debt issuance costs related to the Existing Term Loan that was considered an extinguishment of debt of $0.4 million. In addition, the New Revolving Credit Facility replacing the existing revolving credit facility that was part of the Existing Credit Facilities (“Existing Revolving Credit Facility”) was considered an extinguishment of debt except for the portion related to the creditors that were part of the Existing Revolving Credit Facility and the New Revolving Credit Facility and in which case, it was considered a modification of debt. As a result, we expensed the portion of the unamortized debt issuance costs related to the Existing Revolving Credit Facility that was considered an extinguishment of debt of $0.5 million. As such, an aggregate total loss on extinguishment of debt of $0.9 million was recorded in 2018.

Further, we incurred $3.5 million of new debt issuance costs that can be capitalized related to the New Credit Facilities, of which $1.7 million were allocated to the New Term Loan and the $1.8 million was allocated to the New Revolving Credit facility. The New Term Loan new debt issuance costs of $1.7 million and remaining unamortized Existing Term Loan debt issuance costs of $0.1 million, for an aggregate total of $1.8 million of debt issuance costs related to the New Term Loan were capitalized and are being amortized over the seven years life of the New Term Loan. The New Revolving Credit Facility new debt issuance costs of $1.8 million and remaining unamortized Existing Revolving Credit Facility debt issuance costs of $0.2 million, for an aggregate total of $2.0 million of debt issuance costs related to the New Revolving Credit Facility were capitalized and are being amortized over the five years life of the New Revolving Credit Facility.

In April 2018, we acquired CTP for a purchase price of $30.7 million, net of cash acquired, all payable in cash. We paid an aggregate of $30.8 million in cash related to this transaction by drawing down on the Existing Revolving Credit Facility. See Note 3.

As of June 29, 2019, we had $97.3 million of unused borrowing capacity under the Revolving Credit Facility, after deducting $2.5 million for draw down on the New Revolving Credit Facility and $0.2 million for standby letters of credit.

The New Credit Facilities were entered into by us (“Parent Company”) and guaranteed by all of our domestic subsidiaries, other than two subsidiaries that were considered minor (“Subsidiary Guarantors”). The Subsidiary Guarantors jointly and severally guarantee the New Credit Facilities. The Parent Company has no independent assets or operations and therefore, no consolidating financial information for the Parent Company and its subsidiaries are presented.

In October 2015, we entered into interest rate cap hedges designated as cash flow hedges with a portion of these interest rate cap hedges maturing on a quarterly basis, and a final quarterly maturity date of June 2020, and in aggregate, totaling $135.0

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million of our debt. We paid a total of $1.0 million in connection with entering into the interest rate cap hedges. See Note 1 for further information.

In December 2018, 2017, and 2016, we entered into agreements to purchase $2.2 million, $14.2 million, and $9.9 million of industrial revenue bonds (“IRBs”) issued by the city of Parsons, Kansas (“Parsons”) and concurrently, sold $2.2 million, $14.2 million, and $9.9 million of property and equipment (“Property”) to Parsons as well as entered into lease agreements to lease the Property from Parsons (“Leases”) with lease payments totaling $2.2 million, $14.2 million, and $9.9 million over the lease terms, respectively. The sale of the Property and concurrent lease back of the Property in December 2018, 2017, and 2016 did not meet the sale-leaseback accounting requirements as a result of control not deemed to have transferred to the buyer-lessor under ASC 842 and our continuous involvement with the Property under ASC 840 and thus, the $2.2 million, $14.2 million, and $9.9 million in cash received from Parsons was not recorded as a sale but as a financing obligation, respectively. Further, the Leases included a right of offset so long as we continue to own the IRBs and thus, the financing obligations of $2.2 million, $14.2 million, and $9.9 million were offset against the $2.2 million, $14.2 million, and $9.9 million, respectively, of IRBs assets and are presented net on the condensed consolidated balance sheets with no impact to the condensed consolidated statements of income or condensed consolidated cash flow statements.

Note 9. Employee Benefit Plans

The components of net periodic pension expense were as follows:

	(In thousands)						(In thousands)
	Three Months Ended						Six Months Ended
	June 29, 2019			June 30, 2018			June 29, 2019			June 30, 2018
Service cost	$	126		$	150		$	251		$	300
Interest cost	347			317			694			634
Expected return on plan assets	(411		)	(446		)	(822		)	(892		)
Amortization of actuarial losses	221			186			443			372
Net periodic pension cost	$	283		$	207		$	566		$	414

The components of the reclassifications of net actuarial losses from accumulated other comprehensive loss to net income for the three and six months ended June 29, 2019 were as follows:

	(In thousands)
	Three Months Ended			Six Months Ended
	June 29, 2019			June 29, 2019
Amortization of actuarial losses - total before tax (1)	$	221		$	443
Tax benefit	(51		)	(103		)
Net of tax	$	170		$	340

(1) The amortization expense is included in the computation of periodic pension cost and is a decrease to net income upon reclassification from accumulated other comprehensive loss.

Note 10. Indemnifications

We have made guarantees and indemnities under which we may be required to make payments to a guaranteed or indemnified party, in relation to certain transactions, including revenue transactions in the ordinary course of business. In connection with certain facility leases, we have indemnified our lessors for certain claims arising from our use of the facility under our lease. We indemnify our directors and officers to the maximum extent permitted under the laws of the State of Delaware.

However, we have a directors and officers insurance policy that may reduce our exposure in certain circumstances and may enable us to recover a portion of future amounts that may be payable, if any. The duration of the guarantees and indemnities vary and, in many cases, are subject to statutes of limitations. The majority of guarantees and indemnities do not provide any limitations of the maximum potential future payments we could be obligated to make. Historically, payments related to these guarantees and indemnities have been immaterial. We estimate the amount of our indemnification obligations as insignificant based on this history and insurance coverage and therefore, have not recorded any liability for these guarantees and indemnities

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on the accompanying condensed consolidated balance sheets. Further, when considered with our insurance coverage, although recorded through different captions on our condensed consolidated balance sheets, the potential impact is further mitigated.

Note 11. Income Taxes

The provision for income taxes is determined using an estimated annual effective tax rate, which is generally less than the U.S. federal statutory rate, primarily due to research and development (“R&D”) tax credits. Our effective tax rate may be subject to fluctuations during the year as new information is obtained, which may affect the assumptions used to estimate the annual effective tax rate, including factors such as expected utilization of R&D tax credits, valuation allowances against deferred tax assets, the recognition or derecognition of tax benefits related to uncertain tax positions, and changes in or the interpretation of tax laws in jurisdictions where we conduct business. Also, excess tax benefits and tax deficiencies related to our equity compensation recognized in the income statement could result in fluctuations in our effective tax rate period-over-period depending on the volatility of our stock price and how many awards vest in the period. We recognize deferred tax assets and liabilities for temporary differences between the financial reporting basis and the tax basis of our assets and liabilities along with net operating loss and tax credit carryovers.

We record a valuation allowance against our deferred tax assets to reduce the net carrying value to an amount that we believe is more likely than not to be realized. When we establish or reduce our valuation allowances against our deferred tax assets, the provision for income taxes will increase or decrease, respectively, in the period when that determination is made.

We recorded income tax expense of $1.4 million for the three months ended June 29, 2019 compared to $0.2 million for the three months ended June 30, 2018. The increase in income tax expense for the second quarter of 2019 compared to the second quarter of 2018 was primarily due to higher pre-tax income for the second quarter of 2019 compared to the second quarter of 2018. The increase in income tax expense was partially offset by higher discrete tax benefits recognized in the second quarter of 2019 for net tax windfalls related to stock-based compensation and changes in deferred tax assets and liabilities due to state tax laws enacted in the period.

We recorded income tax expense of $2.4 million for the six months ended June 29, 2019 compared to an income tax benefit of less than $0.1 million for the six months ended June 30, 2018. The increase in income tax expense for the first six months of 2019 compared to the first six months of 2018 was primarily due to higher pre-tax income for the first six months of 2019 compared to the first six months of 2018. The increase in income tax expense was partially offset by higher discrete tax benefits recognized in the first six months of 2019 for net tax windfalls related to stock-based compensation and changes in deferred tax assets and liabilities due to state tax laws enacted in the period.

Our total amount of unrecognized tax benefits was $5.4 million and $5.3 million as of June 29, 2019 and December 31, 2018, respectively. If recognized, $3.5 million would affect the effective tax rate. We do not reasonably expect significant increases or decreases to our unrecognized tax benefits in the next twelve months.

Note 12. Contingencies

Structural Systems has been directed by California environmental agencies to investigate and take corrective action for groundwater contamination at its facilities located in El Mirage and Monrovia, California. Based on currently available information, Ducommun has established an accrual for its estimated liability for such investigation and corrective action of $1.5 million at both June 29, 2019 and December 31, 2018, which is reflected in other long-term liabilities on its condensed consolidated balance sheets.

Structural Systems also faces liability as a potentially responsible party for hazardous waste disposed at landfills located in Casmalia and West Covina, California. Structural Systems and other companies and government entities have entered into consent decrees with respect to these landfills with the United States Environmental Protection Agency and/or California environmental agencies under which certain investigation, remediation and maintenance activities are being performed. Based on currently available information, Ducommun preliminarily estimates that the range of its future liabilities in connection with the landfill located in West Covina, California is between $0.4 million and $3.1 million. Ducommun has established an accrual for its estimated liability in connection with the West Covina landfill of $0.4 million at June 29, 2019, which is reflected in other long-term liabilities on its condensed consolidated balance sheet. Ducommun’s ultimate liability in connection with these matters will depend upon a number of factors, including changes in existing laws and regulations, the design and cost of construction, operation and maintenance activities, and the allocation of liability among potentially responsible parties.

In the normal course of business, Ducommun and its subsidiaries are defendants in certain other litigation, claims and inquiries, including matters relating to environmental laws. In addition, Ducommun makes various commitments and incurs contingent liabilities in the ordinary course of business. While it is not feasible to predict the outcome of these matters, Ducommun does

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not presently expect that any sum it may be required to pay in connection with these matters would have a material adverse effect on its condensed consolidated financial position, results of operations or cash flows.

Note 13. Business Segment Information

We supply products and services primarily to the aerospace and defense industries. Our subsidiaries are organized into two strategic businesses, Electronic Systems and Structural Systems, each of which is a reportable operating segment.

Financial information by reportable operating segment was as follows:

	(In thousands) Three Months Ended						(In thousands) Six Months Ended
	June 29, 2019			June 30, 2018			June 29, 2019			June 30, 2018
Net Revenues
Electronic Systems	$	89,260		$	84,502		$	173,457		$	166,910
Structural Systems	91,235			70,325			179,604			138,372
Total Net Revenues	$	180,495		$	154,827		$	353,061		$	305,282
Segment Operating Income
Electronic Systems	$	9,912		$	8,668		$	19,093		$	14,412
Structural Systems	11,773			5,026			22,322			9,417
	21,685			13,694			41,415			23,829
Corporate General and Administrative Expenses (1)	(8,081		)	(8,098		)	(14,963		)	(12,978		)
Operating Income	$	13,604		$	5,596		$	26,452		$	10,851
Depreciation and Amortization Expenses
Electronic Systems	$	3,531		$	3,683		$	7,033		$	7,315
Structural Systems	3,400			2,618			6,400			4,934
Corporate Administration	32			33			326			66
Total Depreciation and Amortization Expenses	$	6,963		$	6,334		$	13,759		$	12,315
Capital Expenditures
Electronic Systems	$	2,216		$	1,478		$	3,052		$	4,212
Structural Systems	3,672			1,101			7,361			2,630
Corporate Administration	—			190			—			190
Total Capital Expenditures	$	5,888		$	2,769		$	10,413		$	7,032

(1) Includes costs not allocated to either the Electronic Systems or Structural Systems operating segments.

Segment assets include assets directly identifiable to or allocated to each segment. Our segment assets are as follows:

	(In thousands)
	June 29, 2019		December 31, 2018
Total Assets
Electronic Systems	$	419,331	$	405,743
Structural Systems	245,724		220,993
Corporate Administration (1)	14,540		18,003
Total Assets	$	679,595	$	644,739
Goodwill and Intangibles
Electronic Systems	$	215,191	$	219,872
Structural Systems	27,576		28,277
Total Goodwill and Intangibles	$	242,767	$	248,149

(1) Includes assets not specifically identified to or allocated to either the Electronic Systems or Structural Systems operating segments, including cash and cash equivalents.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

Overview

Ducommun Incorporated (“Ducommun,” “the Company,” “we,” “us” or “our”) is a leading global provider of engineering and manufacturing services for high-performance products and high-cost-of failure applications used primarily in the aerospace and defense (“A&D”), industrial, medical and other industries (collectively, “Industrial”). We differentiate ourselves as a full-service solution-based provider, offering a wide range of value-added products and services in our primary businesses of electronics, structures and integrated solutions. We operate through two primary business segments: Electronic Systems and Structural Systems, each of which is a reportable segment.

We adopted ASC 842, “Leases” (“ASC 842”), as of January 1, 2019, using the additional transition method of adoption. As such, our results for the three and six months ended June 29, 2019 are reported under ASC 842 while our results for the three and six months ended June 30, 2018 are reported under the prior lease accounting standard, ASC 840, “Leases” (“ASC 840”). See Note 2 to condensed consolidated financial statements included in Part I, Item I of this Form 10-Q.

Second quarter 2019 highlights:

• Revenues of $180.5 million

• Net income of $7.8 million, or $0.66 per diluted share

• Adjusted EBITDA of $22.4 million

Non-GAAP Financial Measures

Adjusted earnings before interest, taxes, depreciation, amortization, stock-based compensation expense, and restructuring charges (“Adjusted EBITDA”) was $22.4 million and $18.7 million for the three months ended June 29, 2019 and June 30, 2018, respectively.

When viewed with our financial results prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) and accompanying reconciliations, we believe Adjusted EBITDA provides additional useful information to clarify and enhance the understanding of the factors and trends affecting our past performance and future prospects. We define these measures, explain how they are calculated and provide reconciliations of these measures to the most comparable GAAP measure in the table below. Adjusted EBITDA and the related financial ratios, as presented in this Quarterly Report on Form 10-Q (“Form 10-Q”), are supplemental measures of our performance that are not required by, or presented in accordance with, GAAP. They are not a measurement of our financial performance under GAAP and should not be considered as alternatives to net income or any other performance measures derived in accordance with GAAP, or as an alternative to net cash provided by operating activities as measures of our liquidity. The presentation of these measures should not be interpreted to mean that our future results will be unaffected by unusual or nonrecurring items.

We use Adjusted EBITDA non-GAAP operating performance measures internally as complementary financial measures to evaluate the performance and trends of our businesses. We present Adjusted EBITDA and the related financial ratios, as applicable, because we believe that measures such as these provide useful information with respect to our ability to meet our operating commitments.

Adjusted EBITDA has limitations as an analytical tool, and you should not consider it in isolation or as a substitute for analysis of our results as reported under GAAP. Some of these limitations include:

• They do not reflect our cash expenditures, future requirements for capital expenditures or contractual commitments;

• They do not reflect changes in, or cash requirements for, our working capital needs;

• They do not reflect the significant interest expense or the cash requirements necessary to service interest or principal payments on our debt;

• Although depreciation and amortization are non-cash charges, the assets being depreciated and amortized will often have to be replaced in the future, and Adjusted EBITDA does not reflect any cash requirements for such replacements;

• They are not adjusted for all non-cash income or expense items that are reflected in our statements of cash flows;

• They do not reflect the impact on earnings of charges resulting from matters unrelated to our ongoing operations; and

23

• Other companies in our industry may calculate Adjusted EBITDA differently from us, limiting their usefulness as comparative measures.

Because of these limitations, Adjusted EBITDA and the related financial ratios should not be considered as measures of discretionary cash available to us to invest in the growth of our business or as a measure of cash that will be available to us to meet our obligations. You should compensate for these limitations by relying primarily on our GAAP results and using Adjusted EBITDA only as supplemental information. See our Condensed Consolidated Financial Statements contained in this Form 10-Q.

However, in spite of the above limitations, we believe that Adjusted EBITDA is useful to an investor in evaluating our results of operations because these measures:

• Are widely used by investors to measure a company’s operating performance without regard to items excluded from the calculation of such terms, which can vary substantially from company to company depending upon accounting methods and book value of assets, capital structure and the method by which assets were acquired, among other factors;

• Help investors to evaluate and compare the results of our operations from period to period by removing the effect of our capital structure from our operating performance; and

• Are used by our management team for various other purposes in presentations to our Board of Directors as a basis for strategic planning and forecasting.

The following financial items have been added back to or subtracted from our net income when calculating Adjusted EBITDA:

• Interest expense may be useful to investors for determining current cash flow;

• Income tax expense may be useful to investors because it represents the taxes which may be payable for the period and the change in deferred taxes during the period, and may reduce cash flow available for use in our business;

• Depreciation may be useful to investors because it generally represents the wear and tear on our property and equipment used in our operations;

• Amortization expense may be useful to investors because it represents the estimated attrition of our acquired customer base and the diminishing value of product rights;

• Stock-based compensation may be useful to our investors for determining current cash flow;

• Restructuring charges may be useful to our investors in evaluating our core operating performance; and

• Purchase accounting inventory step-ups may be useful to our investors as they do not necessarily reflect the current or on-going cash charges related to our core operating performance.

Reconciliations of net income to Adjusted EBITDA and the presentation of Adjusted EBITDA as a percentage of net revenues were as follows:

	(Dollars in thousands) Three Months Ended						(Dollars in thousands) Six Months Ended
	June 29, 2019			June 30, 2018			June 29, 2019			June 30, 2018
Net income	$	7,815		$	1,591		$	15,287		$	4,191
Interest expense	4,426			3,763			8,777			6,661
Income tax expense (benefit)	1,363			242			2,388			(1		)
Depreciation	3,310			3,418			6,835			6,782
Amortization	3,653			2,916			6,924			5,533
Stock-based compensation expense	1,807			1,025			3,271			2,115
Restructuring charges	—			5,406			—			7,579
Inventory purchase accounting adjustments	—			329			—			329
Adjusted EBITDA	$	22,374		$	18,690		$	43,482		$	33,189
% of net revenues	12.4		%	12.1		%	12.3		%	10.9		%

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Results of Operations

Second Quarter of 2019 Compared to Second Quarter of 2018

The following table sets forth net revenues, selected financial data, the effective tax rate and diluted earnings per share:

	(Dollars in thousands, except per share data) Three Months Ended										(Dollars in thousands, except per share data) Six Months Ended
	June 29, 2019			% of Net  Revenues		June 30, 2018			% of Net  Revenues		June 29, 2019			% of Net  Revenues		June 30, 2018			% of Net  Revenues
Net Revenues	$	180,495		100.0	%	$	154,827		100.0	%	$	353,061		100.0	%	$	305,282		100.0	%
Cost of Sales	142,430			78.9	%	122,799			79.3	%	279,302			79.1	%	246,499			80.7	%
Gross Profit	38,065			21.1	%	32,028			20.7	%	73,759			20.9	%	58,783			19.3	%
Selling, General and Administrative Expenses	24,461			13.6	%	21,194			13.7	%	47,307			13.4	%	40,521			13.3	%
Restructuring Charges	—			—	%	5,238			3.4	%	—			—	%	7,411			2.4	%
Operating Income	13,604			7.5	%	5,596			3.6	%	26,452			7.5	%	10,851			3.6	%
Interest Expense	(4,426		)	(2.4	)%	(3,763		)	(2.4	)%	(8,777		)	(2.5	)%	(6,661		)	(2.2	)%
Income Before Taxes	9,178			5.1	%	1,833			1.2	%	17,675			5.0	%	4,190			1.4	%
Income Tax Expense (Benefit)	1,363			nm		242			nm		2,388			nm		(1		)	nm
Net Income	$	7,815		4.3	%	$	1,591		1.0	%	$	15,287		4.3	%	$	4,191		1.4	%
Effective Tax (Benefit) Rate	14.9		%	nm		13.2		%	nm		13.5		%	nm		—		%	nm
Diluted Earnings Per Share	$	0.66		nm		$	0.14		nm		$	1.30		nm		$	0.36		nm

nm = not meaningful

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Net Revenues by End-Use Market and Operating Segment

Net revenues by end-use market and operating segment during the fiscal three and six months ended June 29, 2019 and June 30, 2018, respectively, were as follows:

	Three Months Ended											Six Months Ended
				(Dollars in thousands)				% of Net Revenues							(Dollars in thousands)				% of Net Revenues
	Change			June 29, 2019		June 30, 2018		June 29, 2019		June 30, 2018		Change			June 29 2019		June 30, 2018		June 29 2019		June 30, 2018
Consolidated Ducommun
Military and space	$	6,863		$	77,189	$	70,326	42.8	%	45.4	%	$	14,205		$	150,886	$	136,681	42.7	%	44.8	%
Commercial aerospace	20,144			91,988		71,844		51.0	%	46.4	%	37,780			180,456		142,676		51.1	%	46.7	%
Industrial	(1,339		)	11,318		12,657		6.2	%	8.2	%	(4,206		)	21,719		25,925		6.2	%	8.5	%
Total	$	25,668		$	180,495	$	154,827	100.0	%	100.0	%	$	47,779		$	353,061	$	305,282	100.0	%	100.0	%
Electronic Systems
Military and space	$	5,904		$	60,272	$	54,368	67.5	%	64.3	%	$	10,803		$	117,704	$	106,901	67.9	%	64.0	%
Commercial aerospace	193			17,670		17,477		19.8	%	20.7	%	(50		)	34,034		34,084		19.6	%	20.4	%
Industrial	(1,339		)	11,318		12,657		12.7	%	15.0	%	(4,206		)	21,719		25,925		12.5	%	15.6	%
Total	$	4,758		$	89,260	$	84,502	100.0	%	100.0	%	$	6,547		$	173,457	$	166,910	100.0	%	100.0	%
Structural Systems
Military and space	$	959		$	16,917	$	15,958	18.5	%	22.7	%	$	3,402		$	33,182	$	29,780	18.5	%	21.5	%
Commercial aerospace	19,951			74,318		54,367		81.5	%	77.3	%	37,830			146,422		108,592		81.5	%	78.5	%
Total	$	20,910		$	91,235	$	70,325	100.0	%	100.0	%	$	41,232		$	179,604	$	138,372	100.0	%	100.0	%

Net revenues for the three months ended June 29, 2019 were $180.5 million, compared to $154.8 million for the three months ended June 30, 2018. The year-over-year increase was due to the following:

• $20.1 million higher revenues in our commercial aerospace end-use markets due to additional content and higher build rates on large aircraft platforms; and

• $6.9 million higher revenues in our military and space end-use markets due to higher build rates on other military and space platforms; partially offset by

• $1.3 million lower revenues in our industrial end-use markets.

Net revenues for the six months ended June 29, 2019 were $353.1 million, compared to $305.3 million for the six months ended June 30, 2018. The year-over-year increase was due to the following:

• $37.8 million higher revenues in our commercial aerospace end-use markets due to additional content and higher build rates on large aircraft platforms; and

• $14.2 million higher revenues in our military and space end-use markets due to higher build rates on other military and space platforms and various missile platforms; partially offset by

• $4.2 million lower revenues in our industrial end-use markets.

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Net Revenues by Major Customers

A significant portion of our net revenues are from our top ten customers as follows:

	Three Months Ended				Six Months Ended
	June 29, 2019		June 30, 2018		June 29, 2019		June 30, 2018
Boeing Company	16.5	%	16.4	%	18.2	%	17.1	%
Raytheon Company	11.8	%	12.9	%	11.2	%	12.0	%
Spirit Aerosystems Holdings, Inc.	14.9	%	8.8	%	13.5	%	8.9	%
United Technologies Corporation	5.2	%	6.6	%	5.0	%	5.8	%
Total top ten customers (1)	66.1	%	64.8	%	66.6	%	64.2	%

(1) Includes The Boeing Company (“Boeing”), Raytheon Company (“Raytheon”), Spirit Aerosystems Holdings, Inc. (“Spirit”), and United Technologies Corporation (“United Technologies”).

Boeing, Raytheon, Spirit, and United Technologies represented the following percentages of total accounts receivable:

	June 29, 2019		December 31, 2018
Boeing	9.4	%	8.0	%
Raytheon	5.0	%	2.8	%
Spirit	2.6	%	0.1	%
United Technologies	3.2	%	3.3	%

The net revenues and accounts receivable from Boeing, Raytheon, Spirit, and United Technologies are diversified over a number of commercial, military and space programs and were generated by both operating segments.

Gross Profit

Gross profit consists of net revenues less cost of sales. Cost of sales includes the cost of production of finished products and other expenses related to inventory management, manufacturing quality, and order fulfillment. Gross profit margin as a percentage of net revenues increased year-over-year in the three months ended June 29, 2019 to 21.1%, compared to the three months ended June 30, 2018 of 20.7% due to favorable manufacturing volume, favorable product mix, and manufacturing efficiencies, partially offset by higher other manufacturing costs.

Gross profit margin as a percentage of net revenues increased year-over-year in the six months ended June 29, 2019 to 20.9%, compared to the six months ended June 30, 2018 of 19.3% primarily due to favorable product mix, favorable manufacturing volume, and manufacturing efficiencies, partially offset by higher other manufacturing costs.

Selling, General and Administrative (“SG&A”) Expenses

SG&A expenses increased $3.3 million year-over-year in the three months ended June 29, 2019 compared to the three months ended June 30, 2018 due to one-time severance charges of $1.7 million and higher compensation and benefit costs of $1.6 million.

SG&A expenses increased $6.8 million year-over-year in the six months ended June 29, 2019 compared to the six months ended June 30, 2018 primarily due to higher compensation and benefit costs of $4.7 million and one-time severance charges of $1.7 million.

Restructuring Charges

Restructuring charges decreased $5.4 million (including $0.2 million in cost of sales) and $7.6 million (including $0.2 million in cost of sales) year-over-year in the three and six months ended June 29, 2019 compared to the three and six months ended June 30, 2018, respectively, due to the restructuring plan implemented in November 2017 that was expected to increase operating efficiencies and was completed by December 31, 2018. See Note 4 to our condensed consolidated financial statements included in Part I, Item 1 of this Form 10-Q.

Interest Expense

Interest expense increased year-over-year in the three months ended June 29, 2019 compared to the three months ended June 30, 2018 due to a higher outstanding balance on the Revolving Credit Facility, reflecting the acquisition of Certified Thermoplastics Co., LLC (“CTP”) in April 2018 and higher interest rates.

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Interest expense increased year-over-year in the six months ended June 29, 2019 compared to the six months ended June 30, 2018

primarily due to a higher outstanding balance on the Revolving Credit Facility, mainly due to the acquisition of CTP and

higher interest rates.

Income Tax Expense

We recorded income tax expense of $1.4 million for the three months ended June 29, 2019 compared to $0.2 million for the three months ended June 30, 2018. The increase in income tax expense for the second quarter of 2019 compared to the second quarter of 2018 was primarily due to higher pre-tax income for the second quarter of 2019 compared to the second quarter of 2018. The increase in income tax expense was partially offset by higher discrete tax benefits recognized in the second quarter of 2019 for net tax windfalls related to stock-based compensation and changes in deferred tax assets and liabilities due to state tax laws enacted in the period.

We recorded income tax expense of $2.4 million for the six months ended June 29, 2019 compared to an income tax benefit of less than $0.1 million for the six months ended June 30, 2018. The increase in income tax expense for the first six months of 2019 compared to the first six months of 2018 was primarily due to higher pre-tax income. The increase in income tax expense was partially offset by higher discrete tax benefits recognized in the first six months of 2019 for net tax windfalls related to share-based compensation and changes in deferred tax assets and liabilities due to state tax laws enacted in the period.

Our total amount of unrecognized tax benefits was $5.4 million and $5.3 million as of June 29, 2019 and December 31, 2018, respectively. If recognized, $3.5 million would affect the effective tax rate. We do not reasonably expect significant increases or decreases to our unrecognized tax benefits in the next twelve months.

Net Income and Earnings per Share

Net income and earnings per share for the three months ended June 29, 2019 were $7.8 million, or $0.66 per diluted share, compared to $1.6 million, or $0.14 per diluted share, for the three months ended June 30, 2018. The increase in net income for the three months ended June 29, 2019 compared to the three months ended June 30, 2018 was due to $6.0 million of higher gross profit as a result of higher revenues and improved operating performance. Restructuring charges were lower by $5.4 million that was partially offset by $3.3 million of higher selling, general and administrative expenses, and higher income taxes of $1.1 million.

Net income and earnings per share for the six months ended June 29, 2019 were $15.3 million, or $1.30 per diluted share, compared to $4.2 million, or $0.36 per diluted share, for the six months ended June 30, 2018. The increase in net income for the six months ended June 29, 2019 compared to the six months ended June 30, 2018 was due to $15.0 million of higher gross profit as a result of higher revenues and improved operating performance. Restructuring charges were lower by $7.6 million that was offset by $6.8 million of higher selling, general and administrative expenses, $2.4 million of higher income taxes, and $2.1 million of higher interest expense.

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Business Segment Performance

We report our financial performance based upon the two reportable operating segments: Electronic Systems and Structural Systems. The results of operations differ between our reportable operating segments due to differences in competitors, customers, extent of proprietary deliverables and performance. The following table summarizes our business segment performance for the three and six months ended June 29, 2019 and June 30, 2018:

	Three Months Ended												Six Months Ended
	%		(Dollars in thousands)						% of Net Revenues				%		(Dollars in thousands)						% of Net Revenues
	Change		June 29, 2019			June 30, 2018			June 29, 2019		June 30, 2018		Change		June 29, 2019			June 30, 2018			June 29, 2019		June 30, 2018
Net Revenues
Electronic Systems	5.6	%	$	89,260		$	84,502		49.5	%	54.6	%	3.9	%	$	173,457		$	166,910		49.1	%	54.7	%
Structural Systems	29.7	%	91,235			70,325			50.5	%	45.4	%	29.8	%	179,604			138,372			50.9	%	45.3	%
Total Net Revenues	16.6	%	$	180,495		$	154,827		100.0	%	100.0	%	15.7	%	$	353,061		$	305,282		100.0	%	100.0	%
Segment Operating Income
Electronic Systems			$	9,912		$	8,668		11.1	%	10.3	%			$	19,093		$	14,412		11.0	%	8.6	%
Structural Systems			11,773			5,026			12.9	%	7.1	%			22,322			9,417			12.4	%	6.8	%
			21,685			13,694									41,415			23,829
Corporate General and Administrative Expenses (1)			(8,081		)	(8,098		)	(4.5	)%	(5.2	)%			(14,963		)	(12,978		)	(4.2	)%	(4.3	)%
Total Operating Income			$	13,604		$	5,596		7.5	%	3.6	%			$	26,452		$	10,851		7.5	%	3.6	%
Adjusted EBITDA
Electronic Systems
Operating Income			$	9,912		$	8,668								$	19,093		$	14,412
Depreciation and Amortization			3,531			3,683									7,033			7,315
Restructuring Charges			—			735									—			1,255
			13,443			13,086			15.1	%	15.5	%			26,126			22,982			15.1	%	13.8	%
Structural Systems
Operating Income			11,773			5,026									22,322			9,417
Depreciation and Amortization			3,400			2,618									6,400			4,934
Restructuring Charges			—			3,610									—			5,137
Inventory Purchase Accounting Adjustments			—			329									—			329
			15,173			11,583			16.6	%	16.5	%			28,722			19,817			16.0	%	14.3	%
Corporate General and Administrative Expenses (1)
Operating Loss			(8,081		)	(8,098		)							(14,963		)	(12,978		)
Depreciation and Amortization			32			33									326			66
Stock-Based Compensation Expense			1,807			1,025									3,271			2,115
Restructuring Charges			—			1,061									—			1,187
			(6,242		)	(5,979		)							(11,366		)	(9,610		)
Adjusted EBITDA			$	22,374		$	18,690		12.4	%	12.1	%			$	43,482		$	33,189		12.3	%	10.9	%
Capital Expenditures
Electronic Systems			$	2,216		$	1,478								$	3,052		$	4,212
Structural Systems			3,672			1,101									7,361			2,630
Corporate Administration			—			190									—			190
Total Capital Expenditures			$	5,888		$	2,769								$	10,413		$	7,032

(1) Includes costs not allocated to either the Electronic Systems or Structural Systems operating segments.

29

Electronic Systems

Electronic Systems net revenues in the three months ended June 29, 2019 compared to the three months ended June 30, 2018 increased $4.8 million due to the following:

• $5.9 million higher revenues in our military and space end-use markets due to higher build rates on other military and space platforms; and

• $0.2 million higher revenues in our commercial aerospace end-use markets; partially offset by

• $1.3 million lower revenues in our industrial end-use markets.

Electronic Systems net revenues in the six months ended June 29, 2019 compared to the six months ended June 30, 2018 increased $6.5 million due to the following:

• $10.8 million higher revenues in our military and space end-use markets due to higher build rates on other military and space platforms and various missile platforms; partially offset by

• $4.2 million lower revenues in our industrial end-use markets; and

• $0.1 million lower revenues in our commercial aerospace end-use markets.

Electronic Systems segment operating income in the three and six months ended June 29, 2019 compared to the three and six months ended June 30, 2018 increased $1.2 million and $4.7 million, respectively, due to favorable product mix, improved manufacturing efficiencies, and lower restructuring charges in the current year, partially offset by unfavorable manufacturing volume.

Structural Systems

Structural Systems net revenues in the three months ended June 29, 2019 compared to the three months ended June 30, 2018 increased $20.9 million due to the following:

• $20.0 million higher revenues in our commercial aerospace end-use markets due to additional content and higher build rates on large aircraft platforms; and

• $1.0 million higher revenues in our military and space end-use markets due to higher build rates on military rotary-wing aircraft platforms.

Structural Systems net revenues in the six months ended June 29, 2019 compared to the six months ended June 30, 2018 increased $41.2 million due to the following:

• $37.8 million higher revenues in our commercial aerospace end-use markets due to additional content and higher build rates on large aircraft platforms; and

• $3.4 million higher revenues in our military and space end-use markets due to higher build rates on military rotary-wing aircraft platforms.

The Structural Systems segment operating income in the three and six months ended June 29, 2019 compared to the three and six months ended June 30, 2018 increased $6.7 million and $12.9 million, respectively, due to favorable manufacturing volume, favorable product mix, improved manufacturing efficiencies, and lower restructuring charges in the current year.

Corporate General and Administrative (“CG&A”) Expenses

CG&A expenses decreased by less than $0.1 million in the three months ended June 29, 2019 compared to the three months ended June 30, 2018 due to lower restructuring charges in the current year of $1.1 million and lower professional services fees of $1.0 million, partially offset by one-time severance charges of $1.7 million.

CG&A expenses increased $2.0 million in the six months ended June 29, 2019 compared to the six months ended June 30, 2018 due to higher compensation and benefit costs of $1.9 million and one-time severance charges of $1.7 million, partially offset by lower restructuring charges in the current year of $1.2 million.

Backlog

We define backlog as customer placed purchase orders (“POs”) and long-term agreements (“LTAs”) with firm fixed price and expected delivery dates of 24 months or less. The majority of the LTAs do not meet the definition of a contract under ASC 606 and thus, the backlog amount disclosed below is greater than the remaining performance obligations amount disclosed in Note 1 to our condensed consolidated financial statements included in Part I, Item 1 of this Form 10-Q. Backlog is subject to delivery delays or program cancellations, which are beyond our control. Backlog is affected by timing differences in the placement of customer orders and tends to be concentrated in several programs to a greater extent than our net revenues. Backlog in industrial markets tends to be of a shorter

30

duration and is generally fulfilled within a three month period. As a result of these factors, trends in our overall level of backlog may not be indicative of trends in our future net revenues.

The decrease in backlog was primarily in the commercial aerospace end-use markets and industrial end-use markets. $601.0 million of total backlog is expected to be delivered over the next 12 months. The following table summarizes our backlog as of June 29, 2019 and December 31, 2018:

	(Dollars in thousands)
	Change			June 29, 2019		December 31, 2018
Consolidated Ducommun
Military and space	$	26,335		$	365,778	$	339,443
Commercial aerospace	(34,029		)	453,203		487,232
Industrial	(4,052		)	33,722		37,774
Total	$	(11,746	)	$	852,703	$	864,449
Electronic Systems
Military and space	$	29,243		$	270,439	$	241,196
Commercial aerospace	18,849			66,881		48,032
Industrial	(4,052		)	33,722		37,774
Total	$	44,040		$	371,042	$	327,002
Structural Systems
Military and space	$	(2,908	)	$	95,339	$	98,247
Commercial aerospace	(52,878		)	386,322		439,200
Total	$	(55,786	)	$	481,661	$	537,447

Liquidity and Capital Resources

Available Liquidity

Total debt, the weighted-average interest rate, cash and cash equivalents and available credit facilities were as follows:

	(Dollars in millions)
	June 29,			December 31,
	2019			2018
Total debt, including long-term portion	$	229.5		$	233.0
Weighted-average interest rate on debt	6.91		%	4.71		%
Term Loan interest rate	6.59		%	4.15		%
Cash and cash equivalents	$	3.3		$	10.3
Unused Revolving Credit Facility	$	97.3		$	99.7

In November 2018, we completed new credit facilities to replace the Existing Credit Facilities. The new credit facilities consist of a $240.0 million senior secured term loan, which matures on November 21, 2025 (“New Term Loan”), and a $100.0 million senior secured revolving credit facility (“New Revolving Credit Facility”), which matures on November 21, 2023 (collectively, the “New Credit Facilities”). We are required to make installment payments of 0.25% of the outstanding principal balance of the New Term Loan amount on a quarterly basis. In addition, if we meet the annual excess cash flow threshold, we will be required to make excess flow payments on an annual basis. Further, the undrawn portion of the commitment of the New Revolving Credit Facility is subject to a commitment fee ranging from 0.20% to 0.30%, based upon the consolidated total net adjusted leverage ratio. As of June 29, 2019, we were in compliance with all covenants required under the Credit Facilities. See Note 8 to our condensed consolidated financial statements included in Part I, Item 1 of this Form 10-Q for further information. We made an aggregate total of $3.0 million and $6.0 million of voluntary and mandatory principal prepayments under the Term Loan during the three and six months ended June 29, 2019, respectively.

In October 2015, we entered into interest rate cap hedges designated as cash flow hedges with maturity dates of June 2020, and in aggregate, totaling $135.0 million of our debt. We paid a total of $1.0 million in connection with entering into the interest rate cap hedges.

31

In April 2018, we acquired Certified Thermoplastics Co., LLC (“CTP”) for a purchase price of $30.7 million, net of cash acquired, all payable in cash. We paid an aggregate of $30.8 million in cash by drawing down on the Revolving Credit Facility. See Note 3 to our condensed consolidated financial statements included in Part I, Item 1 of this Form 10-Q.

We expect to spend a total of $16.0 million to $18.0 million for capital expenditures in 2019 financed by cash generated from operations, principally to support new contract awards in Electronic Systems and Structural Systems. As part of our strategic plan to become a supplier of higher-level assemblies and win new contract awards, additional up-front investment in tooling will be required for newer programs which have higher engineering content and higher levels of complexity in assemblies.

We believe the ongoing aerospace and defense subcontractor consolidation makes acquisitions an increasingly important component of our future growth. We will continue to make prudent acquisitions and capital expenditures for manufacturing equipment and facilities to support long-term contracts for commercial and military aircraft and defense programs.

We continue to depend on operating cash flow and the availability of our New Credit Facilities to provide short-term liquidity. Cash generated from operations and bank borrowing capacity are expected to provide sufficient liquidity to meet our obligations during the next twelve months.

Cash Flow Summary

Net cash provided by operating activities for the six months ended June 29, 2019 was $8.1 million, compared to $26.2 million for the six months ended June 30, 2018. The lower net cash generated during the first six months of 2019 was due to higher contract assets, higher inventories, partially offset by higher net income.

Net cash used in investing activities was $7.6 million for the six months ended June 29, 2019 compared to $38.4 million in the six months ended June 30, 2018. The lower net cash used in the first six months of 2019 compared to the prior year period was due to a lack of acquisitions in the current year.

Net cash used in financing activities was $6.7 million for the six months ended June 29, 2019 compared to net cash provided of $13.6 million for the first six months of June 30, 2018. The higher net cash used in the first six months of 2019 was due to higher net repayments on the Revolving Credit Facility and higher repayments on the Term Loan.

Off-Balance Sheet Arrangements

Our off-balance sheet arrangements consist of operating and finance leases not recorded as a result of the practical expedients utilized as a part of the adoption of ASC 842 as of January 1, 2019 and indemnities.

Critical Accounting Policies

The preparation of our condensed consolidated financial statements in accordance with accounting principles generally accepted in the United States requires estimation and judgment that affect the reported amounts of net revenues, expenses, assets and liabilities. For a description of our critical accounting policies, please refer to “Critical Accounting Policies” in Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” of our 2018 Annual Report on Form 10-K. As a result of adopting ASC 842 as of January 1, 2019, there have been material changes to our lease accounting policies during the six months ended June 29, 2019, and are described in Note 2 to our condensed consolidated financial statements included in Part I, Item I of this Form 10-Q.

Recent Accounting Pronouncements

See “Part I, Item 1. Ducommun Incorporated and Subsidiaries—Notes to Condensed Consolidated Financial Statements—Note 1. Summary of Significant Accounting Policies—Recent Accounting Pronouncements” for further information.

Item 3. Quantitative and Qualitative Disclosures About Market Risk

Our main market risk exposure relates to changes in U.S. interest rates on our outstanding long-term debt. At June 29, 2019, we had total borrowings of $229.5 million under our New Credit Facilities.

The New Term Loan bears interest, at our option, at a rate equal to either (i) the Eurodollar Rate (defined as the London Interbank Offered Rate [“LIBOR”]) plus an applicable margin ranging from 3.75% to 4.00% per year or (ii) the Base Rate (defined as the highest of [a] Federal Funds Rate plus 0.50%, [b] Bank of America’s prime rate, and [c] the Eurodollar Rate plus 1.00%) plus an applicable margin ranging from 3.75% to 4.00% per year, in each case based upon the consolidated total net adjusted leverage ratio.

The New Revolving Credit Facility bears interest, at our option, at a rate equal to either (i) the Eurodollar Rate (defined as LIBOR) plus an applicable margin ranging from 1.75% to 2.75% per year or (ii) the Base Rate (defined as the highest of [a]

32

Federal Funds Rate plus 0.50%, [b] Bank of America’s prime rate, and [c] the Eurodollar Rate plus 1.00%) plus an applicable margin ranging from 0.75% to 1.75% per year, in each case based upon the consolidated total net adjusted leverage ratio.

A hypothetical 10% increase or decrease in the interest rate would have an immaterial impact on our financial condition and results of operations.

Item 4. Controls and Procedures

Disclosure Controls and Procedures

The Company’s chief executive officer (“CEO”) and chief financial officer (“CFO”) have conducted an evaluation of the Company’s disclosure controls and procedures (as defined in the Securities Exchange Act of 1934 Rules 13a-15(e) and 15d-15(e)), and concluded that such disclosure controls were effective as of the end of the period covered by this report.

Changes in Internal Control over Financial Reporting

There were no changes in our internal controls over financial reporting during the three months ended June 29, 2019 that would have materially affected, or are reasonably likely to materially affect, our internal controls over financial reporting.

PART II. OTHER INFORMATION

Item 1. Legal Proceedings

See Note 12 to our condensed consolidated financial statements included in Part I, Item 1 of this Form 10-Q for a description of our legal proceedings.

Item 1A. Risk Factors

See Part I, Item 1A of our Annual Report on Form 10-K for the year ended December 31, 2018 for a discussion of our risk factors. There have been no material changes in the six months ended June 29, 2019 to the risk factors disclosed in our Annual Report on Form 10-K for the year ended December 31, 2018.

Item 4. Mine Safety Disclosures

Not applicable.

33

Item 6. Exhibits

2.1 Agreement and Plan of Merger, dated as of April 3, 2011, among Ducommun Incorporated, DLBMS, Inc. and LaBarge, Inc. Incorporated by reference to Exhibit 2.1 to Form 8-K filed on April 5, 2011.

2.2 Agreement and Plan of Merger, dated as of September 11, 2017, among Ducommun LaBarge Technologies, Inc., LS Holdings Company LLC, and DLS Company LLC. Incorporated by reference to Exhibit 2.1 to Form 8-K filed on September 11, 2017.

2.3 Stock Purchase Agreement dated January 22, 2016, by and among Ducommun Incorporated, Ducommun LaBarge Technologies, Inc., as Seller, LaBarge Electronics, Inc., and Intervala, LLC, as Buyer. Incorporated by reference to Exhibit 2.1 to Form 8-K dated January 25, 2016.

2.4 Stock Purchase Agreement dated February 24, 2016, by and between Ducommun LaBarge Technologies, Inc., as Seller, and General Atomics, as Buyer. Incorporated by reference to Exhibit 2.1 to Form 8-K dated February 24, 2016.

3.1 Restated Certificate of Incorporation filed with the Delaware Secretary of State on May 29, 1990. Incorporated by reference to Exhibit 3.1 to Form 10-K for the year ended December 31, 1990.

3.2 Certificate of Amendment of Certificate of Incorporation filed with the Delaware Secretary of State on May 27, 1998. Incorporated by reference to Exhibit 3.2 to Form 10-K for the year ended December 31, 1998.

3.3 Bylaws as amended and restated on March 19, 2013. Incorporated by reference to Exhibit 99.1 to Form 8-K dated March 22, 2013.

3.4 Amendment to Bylaws dated January 5, 2017. Incorporated by reference to Exhibit 99.2 to Form 8-K dated January 9, 2017.

3.5 Amendment to Bylaws dated February 21, 2018. Incorporated by reference to Exhibit 3.1 to Form 8-K dated February 26, 2018.

10.1 Credit Agreement, dated as of November 21, 2018, among Ducommun Incorporated, certain of its subsidiaries, Bank of America, N.A., as administrative agent, swingline lender and issuing bank, and other lenders party thereto. Incorporated by reference to Exhibit 10.1 to Form 8-K filed on November 26, 2018.

*10.2 2007 Stock Incentive Plan. Incorporated by reference to Appendix B of Definitive Proxy Statement on Schedule 14a, filed on March 29, 2010.

*10.3 2013 Stock Incentive Plan (Amended and Restated March 18, 2015). Incorporated by reference to Appendix B of Definitive Proxy Statement on Schedule 14a, filed on April 22, 2015.

*10.4 2013 Stock Incentive Plan (Amended and Restated May 2, 2018). Incorporated by reference to Appendix A of Definitive Proxy Statement on Schedule 14a, filed on March 23, 2018.

*10.5 2018 Employee Stock Purchase Plan. Incorporated by reference to Appendix B of Definitive Proxy Statement on Schedule 14a, filed on March 23, 2018.

*10.6 Form of Stock Option Agreement for 2016 and earlier. Incorporated by reference to Exhibit 10.8 to Form 10-K for the year ended December 31, 2003.

*10.7 Form of Stock Option Agreement for 2017. Incorporated by reference to Exhibit 10.5 to Form 10-K for the year ended December 31, 2016.

*10.8 Form of Stock Option Agreement for 2018 and after. Incorporated by reference to Exhibit 4.7 to Form S-8, filed on May 10, 2018.

*10.9 Form of Performance Stock Unit Agreement for 2014 and 2015. Incorporated by reference to Exhibit 10.19 to Form 10-Q for the period ended March 29, 2014.

*10.10 Form of Performance Stock Unit Agreement for 2016. Incorporated by reference to Exhibit 10.6 to Form 10-Q for the period ended April 2, 2016.

*10.11 Form of Performance Stock Unit Agreement for 2017. Incorporated by reference to Exhibit 10.21 to Form 10-Q for the period ended April 1, 2017.

*10.12 Form of Restricted Stock Unit Agreement for 2016 and earlier. Incorporated by reference to Exhibit 99.1 to Form 8-K dated May 8, 2007.

*10.13 Form of Restricted Stock Unit Agreement for 2017 and after. Incorporated by reference to Exhibit 10.9 to Form 10-K for the year ended December 31, 2016.

34

*10.14 Form of Directors’ Restricted Stock Unit Agreement. Incorporated by reference to Exhibit 99.1 to Form 8-K dated May 10, 2010.

*10.15 Performance Restricted Stock Unit Agreement dated January 23, 2017 between Ducommun Incorporated and Stephen G. Oswald. Incorporated by reference to Exhibit 10.11 to Form 10-K for the year ended December 31, 2016.

*10.16 Form of Indemnity Agreement entered with all directors and officers of Ducommun. Incorporated by reference to Exhibit 10.8 to Form 10-K for the year ended December 31, 1990. All of the Indemnity Agreements are identical except for the name of the director or officer and the date of the Agreement:

Director/Officer	Date of Agreement
Richard A. Baldridge	March 19, 2013
Gregory S. Churchill	March 19, 2013
Shirley G. Drazba	October 18, 2018
Robert C. Ducommun	December 31, 1985
Dean M. Flatt	November 5, 2009
Jay L. Haberland	February 2, 2009
Stephen G. Oswald	January 23, 2017
Robert D. Paulson	March 25, 2003
Jerry L. Redondo	October 1, 2015
Rosalie F. Rogers	July 24, 2008
Christopher D. Wampler	January 1, 2016

*10.17 Ducommun Incorporated 2016 Bonus Plan. Incorporated by reference to Exhibit 99.3 to Form 8-K dated March 1, 2016.

*10.18 Ducommun Incorporated 2017 Bonus Plan. Incorporated by reference to Exhibit 99.1 to Form 8-K dated February 27, 2017.

*10.19 Directors’ Deferred Compensation and Retirement Plan, as amended and restated February 2, 2010. Incorporated by reference to Exhibit 10.15 to Form 10-K for the year ended December 31, 2009.

*10.20 Key Executive Severance Agreement between Ducommun Incorporated and Stephen G. Oswald dated January 23, 2017. Incorporated by reference to Exhibit 99.1 to Form 8-K dated January 27, 2017.

*10.21 Form of Key Executive Severance Agreement between Ducommun Incorporated and each of the individuals listed below. Incorporated by reference to Exhibit 99.2 to Form 8-K dated January 27, 2017. All of the Key Executive Severance Agreements are identical except for the name of the person and the address for notice:

Person	Date of Agreement
Jerry L. Redondo	January 23, 2017
Rosalie F. Rogers	January 23, 2017
Christopher D. Wampler	January 23, 2017

*10.22 Employment Letter Agreement dated January 3, 2017 between Ducommun Incorporated and Stephen G. Oswald. Incorporated by reference to Exhibit 99.1 to Form 8-K dated January 9, 2017.

*10.23 Employment Letter Agreement dated December 19, 2016 between Ducommun Incorporated and Amy M. Paul. Incorporated by reference to Exhibit 10.19 to Form 10-K for the year ended December 31, 2016.

*10.24 Transition Services Letter Agreement dated January 10, 2017 between Ducommun Incorporated and James S. Heiser. Incorporated by reference to Exhibit 99.1 to Form 8-K filed on January 17, 2017.

*10.25 Separation and Release Agreement dated May 14, 2018 between Ducommun Incorporated and Amy M. Paul. Incorporated by reference to Exhibit 10.1 to Form 8-K filed on May 23, 2018.

*10.26 Separation and Release Agreement dated June 26, 2019 between Ducommun Incorporated and Douglas L. Groves. Incorporated by reference to Exhibit 10.1 to Form 8-K filed on June 28, 2019.

31.1 Certification of Principal Executive Officer.

31.2 Certification of Principal Financial Officer.

32 Certification Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

35

101.INS     XBRL Instance Document

101.SCH    XBRL Taxonomy Extension Schema

101.CAL    XBRL Taxonomy Extension Calculation Linkbase

101.DEF    XBRL Taxonomy Extension Definition Linkbase

101.LAB    XBRL Taxonomy Extension Label Linkbase

101.PRE    XBRL Taxonomy Extension Presentation Linkbase

___________________

* Indicates an executive compensation plan or arrangement.

36

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: August 5, 2019	By:	/s/ Stephen G. Oswald
		Stephen G. Oswald
		Chairman, President and Chief Executive Officer
		(Principal Executive Officer)
Date: August 5, 2019	By:	/s/ Christopher D. Wampler
		Christopher D. Wampler
		Vice President, Interim Chief Financial Officer and Treasurer, and Controller and Chief Accounting Officer
		(Principal Financial and Principal Accounting Officer)

37

EX-31.1

EXHIBIT 31.1

Certification of Principal Executive Officer

Pursuant to Section 302 of the

Sarbanes-Oxley Act of 2002

I, Stephen G. Oswald, certify that:

1. I have reviewed this Quarterly Report of Ducommun Incorporated (the “registrant”) on Form 10-Q for the period ended June 29, 2019;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f), and 15d-15(f)) for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 5, 2019

/s/ Stephen G. Oswald

Stephen G. Oswald

Chairman, President and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

Certification of Principal Financial Officer

Pursuant to Section 302 of the

Sarbanes-Oxley Act of 2002

I, Christopher D. Wampler, certify that:

1. I have reviewed this Quarterly Report of Ducommun Incorporated (the “registrant”) on Form 10-Q for the period ended June 29, 2019;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)), for the registrant and have:

a. Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a. All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b. Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 5, 2019

/s/ Christopher D. Wampler

Christopher D. Wampler

Vice President, Interim Chief Financial Officer and Treasurer, and Controller and Chief Accounting Officer

EX-32

EXHIBIT 32

Certification Pursuant to

18 U.S.C. Section 1350,

as Adopted Pursuant to Section 906 of

the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report of Ducommun Incorporated (the “Company”) on Form 10-Q for the period ending June 29, 2019, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Stephen G. Oswald, Chairman, President and Chief Executive Officer of the Company, certify pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

By:	/s/ Stephen G. Oswald
	Stephen G. Oswald
	Chairman, President and Chief Executive Officer
	August 5, 2019

In connection with the Quarterly Report of Ducommun Incorporated (the “Company”) on Form 10-Q for the period ending June 29, 2019, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Christopher D. Wampler, Vice President, Interim Chief Financial Officer and Treasurer, and Controller and Chief Accounting Officer of the Company, certify pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

By:	/s/ Christopher D. Wampler
	Christopher D. Wampler
	Vice President, Interim Chief Financial Officer and Treasurer, and Controller and Chief Accounting Officer
	August 5, 2019

The foregoing certification is accompanying the Form 10-Q solely pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, and is not being filed as part of the Form 10-Q or as a separate disclosure document.

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Document and Entity Information - shares	6 Months Ended
	Jun. 29, 2019	Jul. 24, 2019
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 29, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
Entity Registrant Name	DUCOMMUN INC /DE/
Entity Central Index Key	0000030305
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		11,531,959
Entity Emerging Growth Company	false
Entity Small Business	false

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Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 29, 2019	Dec. 31, 2018
Current Assets
Cash and cash equivalents	$ 3,287	$ 10,263
Restricted cash	757	0
Accounts receivable, net of allowance for doubtful accounts of $744 and $1,135 at June 29, 2019 and December 31, 2018, respectively	69,355	67,819
Contract assets	100,527	86,665
Inventories	109,327	101,125
Production cost of contracts	11,298	11,679
Other current assets	5,929	6,531
Total Current Assets	300,480	284,082
Property and equipment, net of accumulated depreciation of $161,655 and $154,840 at June 29, 2019 and December 31, 2018, respectively	111,373	107,045
Operating lease right-of-use assets	19,148
Goodwill	136,057	136,057
Intangibles, net	106,710	112,092
Non-current deferred income taxes	313	308
Other assets	5,514	5,155
Total Assets	679,595	644,739
Current Liabilities
Accounts payable	79,279	69,274
Contract liabilities	13,183	17,145
Accrued and other liabilities	33,349	37,786
Operating lease liabilities	2,858
Current portion of long-term debt	2,281	2,330
Total Current Liabilities	130,950	126,535
Long-term debt	225,605	228,868
Non-current operating lease liabilities	17,911
Non-current deferred income taxes	18,175	18,070
Other long-term liabilities	14,724	14,441
Total Liabilities	407,365	387,914
Commitments and contingencies (Notes 10, 12)
Shareholders’ Equity
Common stock - $0.01 par value; 35,000,000 shares authorized; 11,526,138 and 11,417,863 shares issued and outstanding at June 29, 2019 and December 31, 2018, respectively	115	114
Additional paid-in capital	83,844	83,712
Retained earnings	195,379	180,356
Accumulated other comprehensive loss	(7,108)	(7,357)
Total Shareholders’ Equity	272,230	256,825
Total Liabilities and Shareholders’ Equity	$ 679,595	$ 644,739

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Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Income Statement [Abstract]
Net Revenues	$ 180,495	$ 154,827	$ 353,061	$ 305,282
Cost of Sales	142,430	122,799	279,302	246,499
Gross Profit	38,065	32,028	73,759	58,783
Selling, General and Administrative Expenses	24,461	21,194	47,307	40,521
Restructuring Charges	0	5,238	0	7,411
Operating Income	13,604	5,596	26,452	10,851
Interest Expense	(4,426)	(3,763)	(8,777)	(6,661)
Income Before Taxes	9,178	1,833	17,675	4,190
Income Tax Expense (Benefit)	1,363	242	2,388	(1)
Net Income	$ 7,815	$ 1,591	$ 15,287	$ 4,191
Earnings Per Share
Basic earnings per share (in dollars per share)	$ 0.68	$ 0.14	$ 1.33	$ 0.37
Diluted earnings per share (in dollars per share)	$ 0.66	$ 0.14	$ 1.30	$ 0.36
Weighted-Average Number of Common Shares Outstanding
Basic (in shares)	11,513	11,394	11,475	11,370
Diluted (in shares)	11,758	11,624	11,754	11,609

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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 29, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 744	$ 1,135
Property and equipment, accumulated depreciation	$ 161,655	$ 154,840
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	35,000,000	35,000,000
Common stock, shares issued (in shares)	11,526,138	11,417,863
Common Stock, shares outstanding (in shares)	11,526,138	11,417,863

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Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net Income	$ 7,815	$ 1,591	$ 15,287	$ 4,191
Other Comprehensive Income (Loss), Net of Tax:
Amortization of actuarial loss and prior service costs, net of tax of $51 and $44 for the three months ended June 29, 2019 and June 30, 2018, respectively, and $103 and $89 for the six months ended June 29, 2019 and June 30, 2018, respectively	170	142	340	283
Change in unrealized gains and losses on cash flow hedges, net of tax of $5 and $28 for the three months ended June 29, 2019 and June 30, 2018, respectively, and $27 and $89 for the six months ended June 29, 2019 and June 30, 2018, respectively	(7)		(91)
Change in unrealized gains and losses on cash flow hedges, net of tax of $5 and $28 for the three months ended June 29, 2019 and June 30, 2018, respectively, and $27 and $89 for the six months ended June 29, 2019 and June 30, 2018, respectively		153		465
Other Comprehensive Income (Loss), Net of Tax	163	295	249	748
Comprehensive Income	$ 7,978	$ 1,886	$ 15,536	$ 4,939

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Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Amortization of actuarial losses and prior service costs, tax benefits	$ 51	$ 44	$ 103	$ 89
Change in unrealized gains and losses on cash flow hedges, tax benefit	$ 5		$ 27
Change in unrealized gains and losses on cash flow hedges, tax benefit		$ 28		$ 89

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Condensed Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock Including Additional Paid in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning Balance at Dec. 31, 2017		$ 80,336	$ 161,364	$ (6,117)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised		858
Stock awards vested		2,717
Stock repurchased related to the exercise of stock options		(4,739)
Stock-based compensation		2,273
Net Income	$ 4,191		4,191
Other Comprehensive Income, Net of Tax	748			748
Ending Balance at Jun. 30, 2018	250,270	81,445	175,512	(6,687)
Beginning Balance at Mar. 31, 2018		80,635	173,921	(6,982)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised		737
Stock awards vested		410
Stock repurchased related to the exercise of stock options		(1,363)
Stock-based compensation		1,026
Net Income	1,591		1,591
Other Comprehensive Income, Net of Tax	295			295
Ending Balance at Jun. 30, 2018	250,270	81,445	175,512	(6,687)
Beginning Balance at Dec. 31, 2018	256,825	83,826	180,356	(7,357)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised		839
Stock awards vested		6,635
Stock repurchased related to the exercise of stock options		(10,612)
Stock-based compensation		3,271
Net Income	15,287		15,287
Other Comprehensive Income, Net of Tax	249			249
Ending Balance at Jun. 29, 2019	272,230	83,959	195,379	(7,108)
Beginning Balance at Mar. 30, 2019		83,485	187,564	(7,271)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised		742
Stock awards vested		2,339
Stock repurchased related to the exercise of stock options		(4,414)
Stock-based compensation		1,807
Net Income	7,815		7,815
Other Comprehensive Income, Net of Tax	163			163
Ending Balance at Jun. 29, 2019	$ 272,230	$ 83,959	$ 195,379	$ (7,108)

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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018
Cash Flows from Operating Activities
Net Income	$ 15,287	$ 4,191
Net Cash Provided by Operating Activities:
Depreciation and amortization	13,759	12,315
Non-cash operating lease cost	1,373
Property and equipment impairment due to restructuring	0	4,375
Stock-based compensation expense	3,271	2,115
Deferred income taxes	181	3,966
Recovery of doubtful accounts	(391)	(30)
Other	(297)	9,050
Changes in Assets and Liabilities:
Accounts receivable	(1,145)	11,172
Contract assets	(13,862)	(81,663)
Inventories	(8,202)	29,417
Production cost of contracts	(1,161)	160
Other assets	473	1,475
Accounts payable	7,158	20,117
Contract liabilities	(3,962)	15,164
Accrued and other liabilities	(4,432)	(5,597)
Net Cash Provided by Operating Activities	8,050	26,227
Cash Flows from Investing Activities
Purchases of property and equipment	(7,566)	(7,513)
Proceeds from sale of assets	0	67
Payments for acquisition of Certified Thermoplastics Co., LLC, net of cash acquired	0	(30,993)
Net Cash Used in Investing Activities	(7,566)	(38,439)
Cash Flows from Financing Activities
Borrowings from senior secured revolving credit facility	106,800	189,600
Repayments of senior secured revolving credit facility	(104,300)	(175,000)
Repayments of term loan	(6,000)	0
Repayments of other debt and finance lease obligations	(65)	0
Net cash paid upon issuance of common stock under stock plans	(3,138)	(1,006)
Net Cash (Used in) Provided by Financing Activities	(6,703)	13,594
Net (Decrease) Increase in Cash, Cash Equivalents, and Restricted Cash	(6,219)	1,382
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	10,263	2,150
Cash, Cash Equivalents, and Restricted Cash at End of Period	$ 4,044	$ 3,532

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Summary of Significant Accounting Policies

6 Months Ended

Jun. 29, 2019

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

Description of Business

We are a leading global provider of engineering and manufacturing services for high-performance products and high-cost-of failure applications used primarily in the aerospace and defense (“A&D”), industrial, medical and other industries (collectively, “Industrial”). Our operations are organized into two primary businesses: Electronic Systems segment and Structural Systems segment, each of which is a reportable operating segment. Electronic Systems designs, engineers and manufactures high-reliability electronic and electromechanical products used in worldwide technology-driven markets including A&D and Industrial end-use markets. Electronic Systems’ product offerings primarily range from prototype development to complex assemblies. Structural Systems designs, engineers and manufactures large, complex contoured aerostructure components and assemblies and supplies composite and metal bonded structures and assemblies. Structural Systems’ products are primarily used on commercial aircraft, military fixed-wing aircraft, and military and commercial rotary-wing aircraft. All reportable operating segments follow the same accounting principles.

Basis of Presentation

The unaudited condensed consolidated financial statements include the accounts of Ducommun Incorporated and its subsidiaries (“Ducommun,” the “Company,” “we,” “us” or “our”), after eliminating intercompany balances and transactions. The December 31, 2018 condensed consolidated balance sheet data was derived from audited financial statements, but does not contain all disclosures required by accounting principles generally accepted in the United States of America (“GAAP”).

Our significant accounting policies were described in Part IV, Item 15(a)(1), “Note 1. Summary of Significant Accounting Policies” in our Annual Report on Form 10-K for the year ended December 31, 2018. We followed the same accounting policies for interim reporting except for the change in our lease accounting practices described below. The financial information included in this Quarterly Report on Form 10-Q should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2018.

In the opinion of management, all adjustments, consisting of recurring accruals, have been made that are necessary to fairly state our condensed consolidated financial position, statements of income, comprehensive income and cash flows in accordance with GAAP for the periods covered by this Quarterly Report on Form 10-Q. The results of operations for the three and six months ended June 29, 2019 are not necessarily indicative of the results to be expected for the full year ending December 31, 2019.

Our fiscal quarters typically end on the Saturday closest to the end of March, June and September for the first three fiscal quarters of each year, and ends on December 31 for our fourth fiscal quarter. As a result of using fiscal quarters for the first three quarters combined with leap years, our first and fourth fiscal quarters can range between 12 1/2 weeks to 13 1/2 weeks while the second and third fiscal quarters remain at a constant 13 weeks per fiscal quarter.

Certain reclassifications have been made to prior period amounts to conform to the current year’s presentation.

Changes in Accounting Policies

We adopted Accounting Standards Codification (“ASC”) 842, “Leases” (“ASC 842”), on January 1, 2019. As a result, we changed our accounting policy for lease accounting as discussed in Note 2.

We applied ASC 842 using the additional transition method and therefore, recognized the cumulative effect of initially applying ASC 842 as an adjustment to the opening condensed consolidated balance sheet at January 1, 2019. Therefore, the comparative information has not been adjusted and continues to be reported under the previous lease accounting standard, ASC 840, “Leases” (“ASC 840”). The details of the significant changes and quantitative impact of the changes are described in Note 2.

Use of Estimates

Certain amounts and disclosures included in the unaudited condensed consolidated financial statements require management to make estimates and judgments that affect the amounts of assets, liabilities (including forward loss reserves), revenues and expenses, and related disclosures of contingent assets and liabilities. These estimates are based on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates.

Supplemental Cash Flow Information

	(In thousands)
	Six Months Ended
	June 29, 2019		June 30, 2018
Interest paid	$	7,985	$	5,202
Taxes paid	$	3,389	$	91
Non-cash activities:
Purchases of property and equipment not paid	$	3,671	$	1,589

Earnings Per Share

Basic earnings per share are computed by dividing income available to common shareholders by the weighted-average number of common shares outstanding in each period. Diluted earnings per share is computed by dividing income available to common shareholders by the weighted-average number of common shares outstanding, plus any potentially dilutive shares that could be issued if exercised or converted into common stock in each period.

The net income and weighted-average common shares outstanding used to compute earnings per share were as follows:

	(In thousands, except per share data)				(In thousands, except per share data)
	Three Months Ended				Six Months Ended
	June 29, 2019		June 30, 2018		June 29, 2019		June 30, 2018
Net income	$	7,815	$	1,591	$	15,287	$	4,191
Weighted-average number of common shares outstanding
Basic weighted-average common shares outstanding	11,513		11,394		11,475		11,370
Dilutive potential common shares	245		230		279		239
Diluted weighted-average common shares outstanding	11,758		11,624		11,754		11,609
Earnings per share
Basic	$	0.68	$	0.14	$	1.33	$	0.37
Diluted	$	0.66	$	0.14	$	1.30	$	0.36

Potentially dilutive stock options and stock awards to purchase common stock, as shown below, were excluded from the computation of diluted earnings per share because their inclusion would have been anti-dilutive. However, these shares may be potentially dilutive common shares in the future.

	(In thousands)		(In thousands)
	Three Months Ended		Six Months Ended
	June 29, 2019	June 30, 2018	June 29, 2019	June 30, 2018
Stock options and stock units	66	224	55	186

Fair Value

Assets and liabilities that are measured, recorded or disclosed at fair value on a recurring basis are categorized using the fair value hierarchy. The fair value hierarchy has three levels based on the reliability of the inputs used to determine the fair value. Level 1, the highest level, refers to the values determined based on quoted prices in active markets for identical assets. Level 2 refers to fair values estimated using significant observable inputs. Level 3, the lowest level, includes fair values estimated using significant unobservable inputs.

We have money market funds and they are included as cash and cash equivalents. We also have interest rate cap hedge agreements and the fair value of the interest rate cap hedge agreements were determined using pricing models that use observable market inputs as of the balance sheet date, a Level 2 measurement. The interest rate cap hedge premium as of June 29, 2019 is less than $0.1 million and is included as other current assets.

There were no transfers between Level 1, Level 2, or Level 3 financial instruments in the three months ended June 29, 2019.

Cash and Cash Equivalents

Cash equivalents consist of highly liquid instruments purchased with original maturities of three months or less. These assets are valued at cost, which approximates fair value, which we classify as Level 1. See Fair Value above.

Restricted Cash

Restricted cash consists of cash withheld from our employees’ salary who have enrolled in our employee stock purchase plan (“ESPP”). An offering period is six months and each employee determines the percentage of their salary that will be withheld during that six month offering period. At the end of the six month offering period, the amounts withheld will be used to purchase our Company’s stock at a discounted price. Employees have the option to withdraw from the ESPP during the six month offering period and the cash withheld to date will be returned to the employee. Thus, the entire balance of restricted cash is short term.

Derivative Instruments

We recognize derivative instruments on our condensed consolidated balance sheets at their fair value. On the date that we enter into a derivative contract, we designate the derivative instrument as a fair value hedge, a cash flow hedge, a hedge of a net investment in a foreign operation, or a derivative instrument that will not be accounted for using hedge accounting methods. As of June 29, 2019, all of our derivative instruments were designated as cash flow hedges.

We record changes in the fair value of a derivative instrument that is highly effective and that is designated and qualifies as a cash flow hedge in other comprehensive income (loss), net of tax until our earnings are affected by the variability of cash flows of the underlying hedge. We record any hedge ineffectiveness and amounts excluded from effectiveness testing in current period earnings within interest expense. We report changes in the fair values of derivative instruments that are not designated or do not qualify for hedge accounting in current period earnings. We classify cash flows from derivative instruments in the condensed consolidated statements of cash flows in the same category as the item being hedged or on a basis consistent with the nature of the instrument. For the three and six months ended June 29, 2019, the impact of cash flow hedges in the respective periods were insignificant.

When we determine that a derivative instrument is not highly effective as a hedge, we discontinue hedge accounting prospectively. In all situations in which we discontinue hedge accounting and the derivative instrument remains outstanding, we will carry the derivative instrument at its fair value on our condensed consolidated balance sheets and recognize subsequent changes in its fair value in our current period earnings.

Inventories

Inventories are stated at the lower of cost or net realizable value with cost being determined using a moving average cost basis for raw materials and actual cost for work-in-process and finished goods. The majority of our inventory is charged to cost of sales as raw materials are placed into production and the related revenue is recognized. Inventoried costs include raw materials, outside processing, direct labor and allocated overhead, adjusted for any abnormal amounts of idle facility expense, freight, handling costs, and wasted materials (spoilage) incurred. We assess the inventory carrying value and reduce it, if necessary, to its net realizable value based on customer orders on hand, and internal demand forecasts using management’s best estimates given information currently available. The majority of our revenue are recognized over time, however, for revenue contracts where revenue is recognized using the point in time method, inventory is not reduced until it is shipped or transfer of control to the customer has occurred. Our ending inventory consists of raw materials, work-in-process, and finished goods.

Production Cost of Contracts

Production cost of contracts includes non-recurring production costs, such as design and engineering costs, and tooling and other special-purpose machinery necessary to build parts as specified in a contract. Production costs of contracts are recorded to cost of sales using the over time revenue recognition model. We review the value of the production cost of contracts on a quarterly basis to ensure when added to the estimated cost to complete, the value is not greater than the estimated realizable value of the related contracts.

Accumulated Other Comprehensive Loss

Accumulated other comprehensive loss, as reflected on the condensed consolidated balance sheets under the equity section, was comprised of cumulative pension and retirement liability adjustments, net of tax, and change in net unrealized gains and losses on cash flow hedges, net of tax.

Provision for Estimated Losses on Contracts

We record provisions for the total anticipated losses on contracts, considering total estimated costs to complete the contract compared to total anticipated revenues, in the period in which such losses are identified. The provisions for estimated losses on contracts require us to make certain estimates and assumptions, including those with respect to the future revenue under a contract and the future cost to complete the contract. Our estimate of the future cost to complete a contract may include assumptions as to changes in manufacturing efficiency, operating and material costs, and our ability to resolve claims and assertions with our customers. If any of these or other assumptions and estimates do not materialize in the future, we may be required to adjust the provisions for estimated losses on contracts. The provision for estimated losses on contracts is included as part of contract liabilities on the condensed consolidated balance sheets.

Revenue Recognition

Our customers typically engage us to manufacture products based on designs and specifications provided by the end-use customer. This requires the building of tooling and manufacturing first article inspection products (prototypes) before volume manufacturing. Contracts with our customers generally include a termination for convenience clause.

We have a significant number of contracts that are started and completed within the same year, as well as contracts derived from long-term agreements and programs that can span several years. We recognize revenue under ASC 606, which utilizes a five-step model.

The definition of a contract for us is typically defined as a customer purchase order as this is when we achieve an enforceable right to payment. The majority of our contracts are firm fixed-price contracts. The deliverables within a customer purchase order are analyzed to determine the number of performance obligations. In addition, at times, in order to achieve economies of scale and based on our customer’s forecasted demand, we may build in advance of receiving a purchase order from our customer. When that occurs, we would not recognize revenue until we have received the customer purchase order.

A performance obligation is a promise in a contract to transfer a distinct good or service to the customer, and is the unit of account under ASC 606. A contract’s transaction price is allocated to each distinct performance obligation and recognized as revenue when, or as, control is transferred and the performance obligation is satisfied. The majority of our contracts have a single performance obligation as the promise to transfer the individual goods or services are highly interrelated or met the series guidance. For contracts with multiple performance obligations, we allocate the contract transaction price to each performance obligation using our best estimate of the standalone selling price of each distinct good or service in the contract. The primary method used to estimate the standalone selling price is the expected cost plus a margin approach, under which we forecast our expected costs of satisfying a performance obligation and then add an appropriate margin for that distinct good or service.

The majority of our performance obligations are satisfied over time as work progresses. Typically, revenue is recognized over time using an input measure (i.e., costs incurred to date relative to total estimated costs at completion, also known as cost-to-cost plus reasonable profit) to measure progress. Our typical revenue contract is a firm fixed price contract, and the cost of raw materials could make up a significant amount of the total costs incurred. As such, we believe using the total costs incurred input method would be the most appropriate method. While the cost of raw materials could make up a significant amount of the total costs incurred, there is a direct relationship between our inputs and the transfer of control of goods or services to the customer in the event the customer invokes the termination for convenience clause, we would be entitled to costs incurred to date plus a reasonable profit. The majority of our revenues are recognized over time. Contract costs typically include labor, materials, overhead, and when applicable, subcontractor costs.

Contract estimates are based on various assumptions to project the outcome of future events that can span multiple months or years. These assumptions include labor productivity and availability; the complexity of the work to be performed; the cost and availability of materials; and the performance of subcontractors.

As a significant change in one or more of these estimates could affect the profitability of our contracts, we review and update our contract-related estimates on a regular basis. We recognize adjustments in estimated profit on contracts under the cumulative catch-up method. Under this method, the impact of the adjustment on profit recorded to date is recognized in the period the adjustment is identified. Revenue and profit in future periods of contract performance is recognized using the adjusted estimate. If at any time the estimate of contract profitability indicates an anticipated loss on the contract, we recognize the total loss in the quarter it is identified.

The impact of adjustments in contract estimates on our operating earnings can be reflected in either operating costs and expenses or revenue.

Net cumulative catch up adjustments on profit recorded were not material during the three and six months ended June 29, 2019.

Payments under long-term contracts may be received before or after revenue is recognized. When revenue is recognized before we bill our customer, a contract asset is created for the work performed but not yet billed. Similarly, when we receive payment before we ship our products to our customer, a contract liability is created for the advance or progress payment.

Contract Assets and Contract Liabilities

Contract assets consist of our right to payment for work performed but not yet billed. Contract assets are transferred to accounts receivable when we ship the products to our customers and meet the shipping terms within the revenue contract. Contract liabilities consist of advance or progress payments received from our customers prior to the time transfer of control occurs plus the estimated losses on contracts.

Contract assets and contract liabilities from revenue contracts with customers are as follows:

	(In thousands)
	June 29, 2019		December 31, 2018
Contract assets	$	100,527	$	86,665
Contract liabilities	$	13,183	$	17,145

Remaining performance obligations are defined as customer placed purchase orders (“POs”) with firm fixed price and firm delivery dates. Our remaining performance obligations as of June 29, 2019 totaled $666.5 million. We anticipate recognizing an estimated 70% of our remaining performance obligations as revenue during the next 12 months with the remaining performance obligations being recognized in the remainder of 2020 and beyond.

Revenue by Category

In addition to the revenue categories disclosed above, the following table reflects our revenue disaggregated by major end-use market:

	(In thousands)				(In thousands)
	Three Months Ended				Six Months Ended
	June 29 2019		June 30, 2018		June 29 2019		June 30, 2018
Consolidated Ducommun
Military and space	$	77,189	$	70,326	$	150,886	$	136,681
Commercial aerospace	91,988		71,844		180,456		142,676
Industrial	11,318		12,657		21,719		25,925
Total	$	180,495	$	154,827	$	353,061	$	305,282
Electronic Systems
Military and space	$	60,272	$	54,368	$	117,704	$	106,901
Commercial aerospace	17,670		17,477		34,034		34,084
Industrial	11,318		12,657		21,719		25,925
Total	$	89,260	$	84,502	$	173,457	$	166,910
Structural Systems
Military and space	$	16,917	$	15,958	$	33,182	$	29,780
Commercial aerospace	74,318		54,367		146,422		108,592
Total	$	91,235	$	70,325	$	179,604	$	138,372

Recent Accounting Pronouncements

New Accounting Guidance Adopted in 2019

In August 2017, the FASB issued ASU 2017-12, “Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging” (“ASU 2017-12”), which intends to improve and simplify accounting rules around hedge accounting. ASU 2017-12 refines and expands hedge accounting for both financial (i.e., interest rate) and commodity risks. In addition, it creates more transparency around how economic results are presented, both on the face of the financial statements and in the footnotes. The new guidance is effective for annual periods beginning after December 15, 2018, including interim periods within those annual periods, which is our interim period beginning January 1, 2019. Early adoption is permitted, including adoption in any interim period after the issuance of ASU 2017-12. The adoption of this standard did not have a material impact on our condensed consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04, “Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment” (“ASU 2017-04”), which simplifies the subsequent measurement of goodwill, the amendments eliminate Step Two from the goodwill impairment test. The annual, or interim, goodwill impairment test is performed by comparing the fair value of a reporting unit with its carrying amount. An impairment charge should be recognized for the amount by which the carrying amount exceeds the reporting unit’s fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. In addition, income tax effects from any tax deductible goodwill on the carrying amount of the reporting unit should be considered when measuring the goodwill impairment loss, if applicable. The amendments also eliminate the requirements for any reporting unit with a zero or negative carrying amount to perform a qualitative assessment and, if it fails that qualitative test, to perform Step Two of the goodwill impairment test. An entity still has the option to perform the qualitative assessment for a reporting unit to determine if the quantitative impairment test is necessary. The new guidance is effective for annual or interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. The adoption of this standard did not have a material impact on our condensed consolidated financial statements.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842)” (“ASU 2016-02”), which requires lessees to present right-of-use assets and lease liabilities on the balance sheet. Lessees are required to apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements or the additional transition method. Under the additional transition method, the cumulative effect of applying the new guidance is recognized as an adjustment to certain captions on the balance sheet, including the opening balance of retained earnings in the first quarter of 2019, and the prior years’ financial information will be presented under the prior accounting standard, ASC 840, “Leases,” (“ASC 840”). Additional guidance was issued subsequently as follows:

• July 2018, the FASB issued ASU 2018-11, “Leases (Topic 842): Targeted Improvements” (“ASU 2018-11”); and

• July 2018, the FASB issued ASU 2018-10, “Codification Improvements to Topic 842, Leases” (“ASU 2018-10”)

All the new guidance is effective for us beginning January 1, 2019. The cumulative impact to our retained earnings at January 1, 2019 was a net decrease of $0.3 million. See Note 2.

Recently Issued Accounting Standards

In April 2019, the FASB issued ASU 2019-04, “Codification Improvements to Topic 326, Financial Instruments - Credit Losses, Topic 815, Derivatives and Hedging, and Topic 825, Financial Statements” (“ASU 2019-04”), which clarify, correct, and improve various aspects of the guidance in ASU 2016-01, ASU 2016-13, and ASU 2017-12. The new guidance is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2020. We are evaluating the impact of this standard.

In March 2019, the FASB issued ASU 2019-01, “Leases (Topic 842): Codification Improvements” (“ASU 2019-01”), which addresses various lessor implementation issues and clarifies that lessees and lessors are exempt from certain interim disclosure requirements associated with the adoption of ASC 842. The new guidance is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2020. Early adoption is permitted. We are evaluating the impact of this standard.

In August 2018, the FASB issued ASU 2018-14, “Compensation - Retirement Benefits - Defined Benefit Plans - General (Topic 715-20): Disclosure Framework - Changes to the Disclosure Requirements for Defined Benefit Plans” (“ASU 2018-14”), which will remove disclosures that no longer are considered cost-beneficial, clarify the specific requirements of disclosures, and add disclosure requirements identified as relevant. The new guidance is effective for fiscal years beginning after December 15, 2020, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2021. Early adoption is permitted. We are evaluating the impact of this standard.

In August 2018, the FASB issued ASU 2018-13, “Fair Value Measurement (Topic 820): Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurement” (“ASU 2018-13”), which should improve the effectiveness of fair value measurement disclosures by removing certain requirements, modifying certain requirements, and adding certain new requirements. The new guidance is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2020. Early adoption is permitted. We are evaluating the impact of this standard.

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments” (“ASU 2016-13”), which is intended to improve financial reporting by requiring timelier recording of credit losses on loans and other financial instruments held by financial institutions and other organizations. ASU 2016-13 requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Financial institutions and other organizations will now use forward-looking information to better inform their credit loss estimates. Many of the loss estimation techniques applied today will still be permitted, although the inputs to those techniques will change to reflect the full amount of expected credit losses. Organizations will continue to use judgment to determine which loss estimation method is appropriate for their circumstances. ASU 2016-13 requires enhanced disclosures to help investors and other financial statement users better understand significant estimates and judgments used in estimating credit losses, as well as the credit quality and underwriting standards of an organization’s portfolio. These disclosures include qualitative and quantitative requirements that provide additional information about the amounts recorded in the financial statements. The new guidance is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2020. We are evaluating the impact of this standard.

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Adoption of Accounting Standards Codification 842

6 Months Ended

Jun. 29, 2019

Leases [Abstract]

Adoption of Accounting Standards Codification 842

Adoption of Accounting Standards Codification 842

We adopted ASC 842 with an initial application as of January 1, 2019. We utilized the additional transition method, under which the cumulative effect of initially applying the new guidance is recognized as an adjustment to certain captions on the condensed consolidated balance sheet, including the opening balance of retained earnings in the six months ended June 29, 2019. As part of the adoption of ASC 842, we have elected to utilize the following practical expedients that are permitted under ASC 842:

• Need not reassess whether any expired or existing contracts are or contain leases;

• Need not reassess the lease classification for any expired or existing leases;

• Need not reassess initial direct costs for any existing leases;

• As an accounting policy election by class of underlying asset, choose not to separate nonlease components from lease components and instead to account for each separate lease component and the nonlease components associated with that lease component as a single lease component; and

• As an accounting policy election not to apply the recognition requirements in ASC 842 to short term leases (a lease at commencement date has a lease term of 12 months or less and does not contain a purchase option that the lessee is reasonably certain to exercise).

The net impact to the various captions on our January 1, 2019 opening unaudited condensed consolidated balance sheets was as follows:

	(In thousands)
	December 31, 2018					January 1, 2019
Unaudited Condensed Consolidated Balance Sheets	Balances Without Adoption of ASC 842		Effect of Adoption			Balances With Adoption of ASC 842
Assets
Other current assets	$	6,531	$	(208	)	$	6,323
Operating lease right-of-use assets	$	—	$	18,985		$	18,985
Non-current deferred income taxes	$	308	$	5		$	313
Other assets	$	5,155	$	254		$	5,409
Liabilities
Operating lease liabilities	$	—	$	2,544		$	2,544
Accrued and other liabilities	$	37,786	$	(329	)	$	37,457
Non-current operating lease liabilities	$	—	$	18,117		$	18,117
Non-current deferred income taxes	$	18,070	$	(76	)	$	17,994
Other long-term liabilities	$	14,441	$	(956	)	$	13,485
Shareholders’ Equity
Retained earnings	$	180,356	$	264		$	180,620

The net impact to retained earnings as a result of adopting ASC 842 on the January 1, 2019 opening balance sheet was shown as a change in “other” on the condensed consolidated statements of cash flows.

We have operating and finance leases for manufacturing facilities, corporate offices, and various equipment. Our leases have remaining lease terms of 1 year to 10 years, some of which include options to extend the leases for up to 10 years, and some of which include options to terminate the leases within 1 year.

The components of lease expense for the three and six months ended June 29, 2019 were as follows:

	(In thousands)
	Three Months Ended		Six Months Ended
	June 29, 2019		June 29, 2019
Operating leases expense	$	956	$	1,919
Finance leases expense:
Amortization of right-of-use assets	$	55	$	100
Interest on lease liabilities	11		20
Total finance lease expense	$	66	$	120

Short term lease expense for the three and six months ended June 29, 2019 were not material.

Supplemental cash flow information related to leases for the six months ended June 29, 2019 was as follows:

	(In thousands)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	1,980
Operating cash flows from finance leases	$	20
Financing cash flows from finance leases	$	68
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	1,437
Finance leases	$	457

The weighted average remaining lease terms as of June 29, 2019 were as follows:

	(In years)
Operating leases	8
Finance leases	5

When a lease is identified, we recognize a right-of-use asset and a corresponding lease liability based on the present value of the lease payments over the lease term discounted using our incremental borrowing rate, unless an implicit rate is readily determinable. As the discount rate in our leases is usually not readily available, we use our own incremental borrowing rate as the discount rate. Our incremental borrowing rate is based on the interest rate on our term loan, which is a secured rate.

The weighted average discount rate as of June 29, 2019 was as follows:

Operating leases	6.5	%
Finance leases	6.5	%

Maturity of operating and finance lease liabilities are as follows:

	(In thousands)
	Operating Leases		Finance Leases
2019 (Excluding the six months ended June 29, 2019)	$	2,051	$	118
2020	4,096		229
2021	3,815		168
2022	3,479		53
2023	3,101		37
Thereafter	7,303		56
Total lease payments	23,845		661
Less imputed interest	5,137		91
Total	$	18,708	$	570

Operating lease payments include $11.4 million related to options to extend lease terms that are reasonably certain of being exercised. As of June 29, 2019, there are no legally binding minimum lease payments for leases signed but not yet commenced.

Finance lease payments related to options to extend lease terms that are reasonably certain of being exercised are not significant. As of June 29, 2019, it excludes $1.5 million of legally binding minimum lease payments for leases signed but not yet commenced. These finance leases will commence during 2019 with lease terms of 5 years to 10 years.

As previously disclosed in our 2018 Annual Report on Form 10-K and under the previous accounting maturities of lease liabilities were as follows as of December 31, 2018:

	(In thousands)
2019	$	3,680
2020	3,405
2021	2,789
2022	1,404
2023	980
Thereafter	580
Total	$	12,838

Adoption of Accounting Standards Codification 842

Adoption of Accounting Standards Codification 842

We adopted ASC 842 with an initial application as of January 1, 2019. We utilized the additional transition method, under which the cumulative effect of initially applying the new guidance is recognized as an adjustment to certain captions on the condensed consolidated balance sheet, including the opening balance of retained earnings in the six months ended June 29, 2019. As part of the adoption of ASC 842, we have elected to utilize the following practical expedients that are permitted under ASC 842:

• Need not reassess whether any expired or existing contracts are or contain leases;

• Need not reassess the lease classification for any expired or existing leases;

• Need not reassess initial direct costs for any existing leases;

• As an accounting policy election by class of underlying asset, choose not to separate nonlease components from lease components and instead to account for each separate lease component and the nonlease components associated with that lease component as a single lease component; and

• As an accounting policy election not to apply the recognition requirements in ASC 842 to short term leases (a lease at commencement date has a lease term of 12 months or less and does not contain a purchase option that the lessee is reasonably certain to exercise).

The net impact to the various captions on our January 1, 2019 opening unaudited condensed consolidated balance sheets was as follows:

	(In thousands)
	December 31, 2018					January 1, 2019
Unaudited Condensed Consolidated Balance Sheets	Balances Without Adoption of ASC 842		Effect of Adoption			Balances With Adoption of ASC 842
Assets
Other current assets	$	6,531	$	(208	)	$	6,323
Operating lease right-of-use assets	$	—	$	18,985		$	18,985
Non-current deferred income taxes	$	308	$	5		$	313
Other assets	$	5,155	$	254		$	5,409
Liabilities
Operating lease liabilities	$	—	$	2,544		$	2,544
Accrued and other liabilities	$	37,786	$	(329	)	$	37,457
Non-current operating lease liabilities	$	—	$	18,117		$	18,117
Non-current deferred income taxes	$	18,070	$	(76	)	$	17,994
Other long-term liabilities	$	14,441	$	(956	)	$	13,485
Shareholders’ Equity
Retained earnings	$	180,356	$	264		$	180,620

The net impact to retained earnings as a result of adopting ASC 842 on the January 1, 2019 opening balance sheet was shown as a change in “other” on the condensed consolidated statements of cash flows.

We have operating and finance leases for manufacturing facilities, corporate offices, and various equipment. Our leases have remaining lease terms of 1 year to 10 years, some of which include options to extend the leases for up to 10 years, and some of which include options to terminate the leases within 1 year.

The components of lease expense for the three and six months ended June 29, 2019 were as follows:

	(In thousands)
	Three Months Ended		Six Months Ended
	June 29, 2019		June 29, 2019
Operating leases expense	$	956	$	1,919
Finance leases expense:
Amortization of right-of-use assets	$	55	$	100
Interest on lease liabilities	11		20
Total finance lease expense	$	66	$	120

Short term lease expense for the three and six months ended June 29, 2019 were not material.

Supplemental cash flow information related to leases for the six months ended June 29, 2019 was as follows:

	(In thousands)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	1,980
Operating cash flows from finance leases	$	20
Financing cash flows from finance leases	$	68
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	1,437
Finance leases	$	457

The weighted average remaining lease terms as of June 29, 2019 were as follows:

	(In years)
Operating leases	8
Finance leases	5

When a lease is identified, we recognize a right-of-use asset and a corresponding lease liability based on the present value of the lease payments over the lease term discounted using our incremental borrowing rate, unless an implicit rate is readily determinable. As the discount rate in our leases is usually not readily available, we use our own incremental borrowing rate as the discount rate. Our incremental borrowing rate is based on the interest rate on our term loan, which is a secured rate.

The weighted average discount rate as of June 29, 2019 was as follows:

Operating leases	6.5	%
Finance leases	6.5	%

Maturity of operating and finance lease liabilities are as follows:

	(In thousands)
	Operating Leases		Finance Leases
2019 (Excluding the six months ended June 29, 2019)	$	2,051	$	118
2020	4,096		229
2021	3,815		168
2022	3,479		53
2023	3,101		37
Thereafter	7,303		56
Total lease payments	23,845		661
Less imputed interest	5,137		91
Total	$	18,708	$	570

Operating lease payments include $11.4 million related to options to extend lease terms that are reasonably certain of being exercised. As of June 29, 2019, there are no legally binding minimum lease payments for leases signed but not yet commenced.

Finance lease payments related to options to extend lease terms that are reasonably certain of being exercised are not significant. As of June 29, 2019, it excludes $1.5 million of legally binding minimum lease payments for leases signed but not yet commenced. These finance leases will commence during 2019 with lease terms of 5 years to 10 years.

As previously disclosed in our 2018 Annual Report on Form 10-K and under the previous accounting maturities of lease liabilities were as follows as of December 31, 2018:

	(In thousands)
2019	$	3,680
2020	3,405
2021	2,789
2022	1,404
2023	980
Thereafter	580
Total	$	12,838

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Business Combination

6 Months Ended

Jun. 29, 2019

Business Combinations [Abstract]

Business Combination

Business Combination

In April 2018, we acquired 100.0% of the outstanding equity interests of Certified Thermoplastics Co., LLC (“CTP”), a privately-held leader in precision profile extrusions and extruded assemblies of engineered thermoplastic resins, compounds, and alloys for a wide range of commercial aerospace, defense, medical, and industrial applications. CTP is located in Santa Clarita, California. The acquisition of CTP was part of our strategy to diversify towards more customized, higher value, engineered products with greater aftermarket potential.

The purchase price for CTP was $30.7 million, net of cash acquired, all payable in cash. We paid an aggregate of $30.8 million in cash related to this transaction. We allocated the gross purchase price of $30.8 million to the assets acquired and liabilities assumed at estimated fair values. The estimated fair value of the assets acquired included $8.1 million of intangible assets, $2.2 million of inventories, $1.5 million of accounts receivable, $0.6 million of property and equipment, $0.1 million of cash, less than $0.1 million of other current assets, and $0.4 million of liabilities assumed. The excess of the purchase price over the aggregate fair values of the assets acquired and liabilities assumed of $18.6 million was recorded as goodwill. The intangible assets acquired were comprised of $6.9 million for customer relationships and $1.2 million for trade names and trademarks, all of which were assigned an estimated useful life of 10 years. All the goodwill was assigned to the Structural Systems segment. Since the CTP acquisition, for tax purposes, was deemed an asset acquisition, the goodwill recognized is deductible for income tax purposes.

CTP’s results of operations have been included in our condensed consolidated statements of income since the date of acquisition as part of the Structural Systems segment.

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Restructuring Activities

6 Months Ended

Jun. 29, 2019

Restructuring and Related Activities [Abstract]

Restructuring Activities

Restructuring Activities

In November 2017, management approved and commenced a restructuring plan that was intended to increase operating efficiencies (“2017 Restructuring Plan”). We completed the 2017 Restructuring Plan as of December 31, 2018 and have recorded cumulative expenses of $23.6 million, with $14.8 million recorded during 2018, and $8.8 million recorded during 2017.

In the Electronic Systems segment, we recorded cumulative expenses of $3.8 million for severance and benefits which were classified as restructuring charges. We recorded cumulative $0.9 million for loss on early exit from lease termination which were classified as restructuring charges. We also recorded cumulative expenses of $0.9 million of other expenses which were classified as restructuring charges. In addition, we have recorded cumulative expenses of $0.2 million for professional service fees which were classified as restructuring charges. Further, we also recorded cumulative non-cash expenses of $0.1 million for inventory write down which were classified as cost of sales. Finally, we recorded cumulative non-cash expenses of $0.1 million for property and equipment impairment which were classified as restructuring charges.

In the Structural Systems segment, we recorded cumulative expenses of $3.0 million for severance and benefits which were classified as restructuring charges. We have recorded cumulative non-cash expenses of $9.8 million for property and equipment impairment which were classified as restructuring charges. We also recorded cumulative non-cash expenses of $0.5 million for inventory write down which were classified as cost of sales. Further, we recorded cumulative other expenses of $0.4 million which were classified as restructuring charges.

In Corporate, we recorded cumulative expenses of $1.4 million for severance and benefits and cumulative non-cash expenses of $1.4 million for stock-based compensation awards which were modified, all of which were classified as restructuring charges. We also recorded cumulative expenses of $1.0 million for professional service fees which were classified as restructuring charges.

As of June 29, 2019, we have accrued $0.1 million, $0.1 million, and $0.1 million for severance and benefits and professional service fees in the Electronic Systems segment, Structural Systems segment, and Corporate, respectively.

Our restructuring activities in the six months ended June 29, 2019 were as follows (in thousands):

	December 31, 2018		Six Months Ended June 29, 2019									June 29, 2019
	Balance		Cash Payments			Adoption of ASU 842 Adjustment			Change in Estimates			Balance
Severance and benefits	$	2,631	$	(2,319	)	$	—		$	—		$	312
Lease termination	861		(126		)	(735		)	—			—
Professional service fees	43		(43		)	—			—			—
Other	416		(416		)	—			—			—
Total charged to restructuring charges	3,951		(2,904		)	(735		)	—			312
Inventory reserve	50		—			—			(50		)	—
Total charged to cost of sales	50		—			—			(50		)	—
Ending balance	$	4,001	$	(2,904	)	$	(735	)	$	(50	)	$	312

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Inventories

6 Months Ended

Jun. 29, 2019

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consisted of the following:

	(In thousands)
	June 29, 2019		December 31, 2018
Raw materials and supplies	$	97,735	$	89,767
Work in process	8,927		9,199
Finished goods	2,665		2,159
Total	$	109,327	$	101,125

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Goodwill

6 Months Ended

Jun. 29, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill

We perform our annual goodwill impairment test as of the first day of the fourth quarter. If certain factors occur, including significant under performance of our business relative to expected operating results, significant adverse economic and industry trends, significant decline in our market capitalization for an extended period of time relative to net book value, a decision to divest individual businesses within a reporting unit, or a decision to group individual businesses differently, we may perform an impairment test prior to the fourth quarter. In addition, we early adopted ASU 2017-04 on January 1, 2019 which simplified our goodwill impairment testing by eliminating Step Two of the goodwill impairment test. See Note 1.

We acquired Certified Thermoplastics Co., LLC (“CTP”) in April 2018 and recorded goodwill of $18.6 million in our Structural Systems segment. Since a goodwill impairment analysis is required to be performed within one year of the acquisition date or sooner upon a triggering event, we performed a Step One goodwill impairment analysis as of April 2019 for our Structural Systems segment. The fair value of our Structural Systems segment exceeded its carrying value by 85% and thus, was not deemed impaired.

The carrying amounts of our goodwill were as follows:

	Electronic Systems			Structural Systems		Consolidated Ducommun
Gross goodwill	$	199,157		$	18,622	$	217,779
Accumulated goodwill impairment	(81,722		)	—		(81,722		)
Balance at December 31, 2018	$	117,435		$	18,622	$	136,057
Balance at June 29, 2019	$	117,435		$	18,622	$	136,057

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Accrued Liabilities

6 Months Ended

Jun. 29, 2019

Payables and Accruals [Abstract]

Accrued and Other Liabilities

Accrued and Other Liabilities

The components of accrued and other liabilities were as follows:

	(In thousands)
	June 29, 2019		December 31, 2018
Accrued compensation	$	26,160	$	29,616
Accrued income tax and sales tax	33		82
Other	7,156		8,088
Total	$	33,349	$	37,786

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Long-Term Debt

6 Months Ended

Jun. 29, 2019

Debt Disclosure [Abstract]

Long-Term Debt

Long-Term Debt

Long-term debt and the current period interest rates were as follows:

	(In thousands)
	June 29, 2019			December 31, 2018
Term loan	$	227,000		$	233,000
Revolving credit facility	2,500			—
Total debt	229,500			233,000
Less current portion	2,281			2,330
Total long-term debt, less current portion	227,219			230,670
Less debt issuance costs - term loan	1,614			1,802
Total long-term debt, net of debt issuance costs - term loan	225,605			228,868
Less debt issuance costs - revolving credit facility (1)	1,769			1,907
Total long-term debt, net of debt issuance costs	$	223,836		$	226,961
Weighted-average interest rate	6.91		%	4.71		%

(1) Included as part of other assets

In November 2018, we completed new credit facilities to replace the credit facilities existing at that time (“Existing Credit Facilities”). The new credit facilities consist of a $240.0 million senior secured term loan, which matures on November 21, 2025 (“New Term Loan”), and a $100.0 million senior secured revolving credit facility (“New Revolving Credit Facility”), which matures on November 21, 2023 (collectively, the “New Credit Facilities”).

The New Term Loan bears interest, at our option, at a rate equal to either (i) the Eurodollar Rate (defined as the London Interbank Offered Rate [“LIBOR”]) plus an applicable margin ranging from 3.75% to 4.00% per year or (ii) the Base Rate (defined as the highest of [a] Federal Funds Rate plus 0.50%, [b] Bank of America’s prime rate, and [c] the Eurodollar Rate plus 1.00%) plus an applicable margin ranging from 3.75% to 4.00% per year, in each case based upon the consolidated total net adjusted leverage ratio, typically payable quarterly. In addition, the New Term Loan requires installment payments of 0.25% of the outstanding principal balance of the New Term Loan amount on a quarterly basis. We made an aggregate total of $3.0 million and $6.0 million of voluntary and mandatory principal prepayments under the New Term Loan during the three and six months ended June 29, 2019, respectively.

The New Revolving Credit Facility bears interest, at our option, at a rate equal to either (i) the Eurodollar Rate (defined as LIBOR) plus an applicable margin ranging from 1.75% to 2.75% per year or (ii) the Base Rate (defined as the highest of [a] Federal Funds Rate plus 0.50%, [b] Bank of America’s prime rate, and [c] the Eurodollar Rate plus 1.00%) plus an applicable margin ranging from 0.75% to 1.75% per year, in each case based upon the consolidated total net adjusted leverage ratio, typically payable quarterly. The undrawn portion of the commitment of the New Revolving Credit Facility is subject to a commitment fee ranging from 0.20% to 0.30%, based upon the consolidated total net adjusted leverage ratio.

Further, if we meet the annual excess cash flow threshold, we will be required to make excess cash flow payments. The annual mandatory excess cash flow payments will be based on (i) 50% of the excess cash flow amount if the adjusted leverage ratio is greater than 3.25 to 1.0, (ii) 25% of the excess cash flow amount if the adjusted leverage ratio is less than or equal to 3.25 to 1.0 but greater than 2.50 to 1.0, and (iii) zero percent of the excess cash flow amount if the adjusted leverage ratio is less than or equal to 2.50 to 1.0. As of June 29, 2019, we were in compliance with all covenants required under the New Credit Facilities.

We had been making periodic voluntary principal prepayments on our Existing Credit Facilities and in conjunction with the closing of the New Credit Facilities on November 21, 2018, we drew down $240.0 million on the New Term Loan, $7.9 million on the New Revolving Credit Facility and used those proceeds along with current cash on hand to pay off the Existing Credit Facilities of $247.9 million. The New Term Loan replacing the term loan that was a part of the Existing Credit Facilities (“Existing Term Loan”) was considered an extinguishment of debt except for the portion related to a creditor that was part of the Existing Term Loan and the New Term Loan and in which case, it was considered a modification of debt. As a result, we expensed the portion of the unamortized debt issuance costs related to the Existing Term Loan that was considered an extinguishment of debt of $0.4 million. In addition, the New Revolving Credit Facility replacing the existing revolving credit facility that was part of the Existing Credit Facilities (“Existing Revolving Credit Facility”) was considered an extinguishment of debt except for the portion related to the creditors that were part of the Existing Revolving Credit Facility and the New Revolving Credit Facility and in which case, it was considered a modification of debt. As a result, we expensed the portion of the unamortized debt issuance costs related to the Existing Revolving Credit Facility that was considered an extinguishment of debt of $0.5 million. As such, an aggregate total loss on extinguishment of debt of $0.9 million was recorded in 2018.

Further, we incurred $3.5 million of new debt issuance costs that can be capitalized related to the New Credit Facilities, of which $1.7 million were allocated to the New Term Loan and the $1.8 million was allocated to the New Revolving Credit facility. The New Term Loan new debt issuance costs of $1.7 million and remaining unamortized Existing Term Loan debt issuance costs of $0.1 million, for an aggregate total of $1.8 million of debt issuance costs related to the New Term Loan were capitalized and are being amortized over the seven years life of the New Term Loan. The New Revolving Credit Facility new debt issuance costs of $1.8 million and remaining unamortized Existing Revolving Credit Facility debt issuance costs of $0.2 million, for an aggregate total of $2.0 million of debt issuance costs related to the New Revolving Credit Facility were capitalized and are being amortized over the five years life of the New Revolving Credit Facility.

In April 2018, we acquired CTP for a purchase price of $30.7 million, net of cash acquired, all payable in cash. We paid an aggregate of $30.8 million in cash related to this transaction by drawing down on the Existing Revolving Credit Facility. See Note 3.

As of June 29, 2019, we had $97.3 million of unused borrowing capacity under the Revolving Credit Facility, after deducting $2.5 million for draw down on the New Revolving Credit Facility and $0.2 million for standby letters of credit.

The New Credit Facilities were entered into by us (“Parent Company”) and guaranteed by all of our domestic subsidiaries, other than two subsidiaries that were considered minor (“Subsidiary Guarantors”). The Subsidiary Guarantors jointly and severally guarantee the New Credit Facilities. The Parent Company has no independent assets or operations and therefore, no consolidating financial information for the Parent Company and its subsidiaries are presented.

In October 2015, we entered into interest rate cap hedges designated as cash flow hedges with a portion of these interest rate cap hedges maturing on a quarterly basis, and a final quarterly maturity date of June 2020, and in aggregate, totaling $135.0 million of our debt. We paid a total of $1.0 million in connection with entering into the interest rate cap hedges. See Note 1 for further information.

In December 2018, 2017, and 2016, we entered into agreements to purchase $2.2 million, $14.2 million, and $9.9 million of industrial revenue bonds (“IRBs”) issued by the city of Parsons, Kansas (“Parsons”) and concurrently, sold $2.2 million, $14.2 million, and $9.9 million of property and equipment (“Property”) to Parsons as well as entered into lease agreements to lease the Property from Parsons (“Leases”) with lease payments totaling $2.2 million, $14.2 million, and $9.9 million over the lease terms, respectively. The sale of the Property and concurrent lease back of the Property in December 2018, 2017, and 2016 did not meet the sale-leaseback accounting requirements as a result of control not deemed to have transferred to the buyer-lessor under ASC 842 and our continuous involvement with the Property under ASC 840 and thus, the $2.2 million, $14.2 million, and $9.9 million in cash received from Parsons was not recorded as a sale but as a financing obligation, respectively. Further, the Leases included a right of offset so long as we continue to own the IRBs and thus, the financing obligations of $2.2 million, $14.2 million, and $9.9 million were offset against the $2.2 million, $14.2 million, and $9.9 million, respectively, of IRBs assets and are presented net on the condensed consolidated balance sheets with no impact to the condensed consolidated statements of income or condensed consolidated cash flow statements.

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Employee Benefit Plans

6 Months Ended

Jun. 29, 2019

Retirement Benefits [Abstract]

Employee Benefit Plans

Employee Benefit Plans

The components of net periodic pension expense were as follows:

	(In thousands)						(In thousands)
	Three Months Ended						Six Months Ended
	June 29, 2019			June 30, 2018			June 29, 2019			June 30, 2018
Service cost	$	126		$	150		$	251		$	300
Interest cost	347			317			694			634
Expected return on plan assets	(411		)	(446		)	(822		)	(892		)
Amortization of actuarial losses	221			186			443			372
Net periodic pension cost	$	283		$	207		$	566		$	414

The components of the reclassifications of net actuarial losses from accumulated other comprehensive loss to net income for the three and six months ended June 29, 2019 were as follows:

	(In thousands)
	Three Months Ended			Six Months Ended
	June 29, 2019			June 29, 2019
Amortization of actuarial losses - total before tax (1)	$	221		$	443
Tax benefit	(51		)	(103		)
Net of tax	$	170		$	340

(1) The amortization expense is included in the computation of periodic pension cost and is a decrease to net income upon reclassification from accumulated other comprehensive loss.

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Indemnifications

6 Months Ended

Jun. 29, 2019

Disclosure of Guarantees and Indemnifications [Abstract]

Indemnifications

Indemnifications

We have made guarantees and indemnities under which we may be required to make payments to a guaranteed or indemnified party, in relation to certain transactions, including revenue transactions in the ordinary course of business. In connection with certain facility leases, we have indemnified our lessors for certain claims arising from our use of the facility under our lease. We indemnify our directors and officers to the maximum extent permitted under the laws of the State of Delaware.

However, we have a directors and officers insurance policy that may reduce our exposure in certain circumstances and may enable us to recover a portion of future amounts that may be payable, if any. The duration of the guarantees and indemnities vary and, in many cases, are subject to statutes of limitations. The majority of guarantees and indemnities do not provide any limitations of the maximum potential future payments we could be obligated to make. Historically, payments related to these guarantees and indemnities have been immaterial. We estimate the amount of our indemnification obligations as insignificant based on this history and insurance coverage and therefore, have not recorded any liability for these guarantees and indemnities on the accompanying condensed consolidated balance sheets. Further, when considered with our insurance coverage, although recorded through different captions on our condensed consolidated balance sheets, the potential impact is further mitigated.

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Income Taxes

6 Months Ended

Jun. 29, 2019

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The provision for income taxes is determined using an estimated annual effective tax rate, which is generally less than the U.S. federal statutory rate, primarily due to research and development (“R&D”) tax credits. Our effective tax rate may be subject to fluctuations during the year as new information is obtained, which may affect the assumptions used to estimate the annual effective tax rate, including factors such as expected utilization of R&D tax credits, valuation allowances against deferred tax assets, the recognition or derecognition of tax benefits related to uncertain tax positions, and changes in or the interpretation of tax laws in jurisdictions where we conduct business. Also, excess tax benefits and tax deficiencies related to our equity compensation recognized in the income statement could result in fluctuations in our effective tax rate period-over-period depending on the volatility of our stock price and how many awards vest in the period. We recognize deferred tax assets and liabilities for temporary differences between the financial reporting basis and the tax basis of our assets and liabilities along with net operating loss and tax credit carryovers.

We record a valuation allowance against our deferred tax assets to reduce the net carrying value to an amount that we believe is more likely than not to be realized. When we establish or reduce our valuation allowances against our deferred tax assets, the provision for income taxes will increase or decrease, respectively, in the period when that determination is made.

We recorded income tax expense of $1.4 million for the three months ended June 29, 2019 compared to $0.2 million for the three months ended June 30, 2018. The increase in income tax expense for the second quarter of 2019 compared to the second quarter of 2018 was primarily due to higher pre-tax income for the second quarter of 2019 compared to the second quarter of 2018. The increase in income tax expense was partially offset by higher discrete tax benefits recognized in the second quarter of 2019 for net tax windfalls related to stock-based compensation and changes in deferred tax assets and liabilities due to state tax laws enacted in the period.

We recorded income tax expense of $2.4 million for the six months ended June 29, 2019 compared to an income tax benefit of less than $0.1 million for the six months ended June 30, 2018. The increase in income tax expense for the first six months of 2019 compared to the first six months of 2018 was primarily due to higher pre-tax income for the first six months of 2019 compared to the first six months of 2018. The increase in income tax expense was partially offset by higher discrete tax benefits recognized in the first six months of 2019 for net tax windfalls related to stock-based compensation and changes in deferred tax assets and liabilities due to state tax laws enacted in the period.

Our total amount of unrecognized tax benefits was $5.4 million and $5.3 million as of June 29, 2019 and December 31, 2018, respectively. If recognized, $3.5 million would affect the effective tax rate. We do not reasonably expect significant increases or decreases to our unrecognized tax benefits in the next twelve months.

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Contingencies

6 Months Ended

Jun. 29, 2019

Commitments and Contingencies Disclosure [Abstract]

Contingencies

Contingencies

Structural Systems has been directed by California environmental agencies to investigate and take corrective action for groundwater contamination at its facilities located in El Mirage and Monrovia, California. Based on currently available information, Ducommun has established an accrual for its estimated liability for such investigation and corrective action of $1.5 million at both June 29, 2019 and December 31, 2018, which is reflected in other long-term liabilities on its condensed consolidated balance sheets.

Structural Systems also faces liability as a potentially responsible party for hazardous waste disposed at landfills located in Casmalia and West Covina, California. Structural Systems and other companies and government entities have entered into consent decrees with respect to these landfills with the United States Environmental Protection Agency and/or California environmental agencies under which certain investigation, remediation and maintenance activities are being performed. Based on currently available information, Ducommun preliminarily estimates that the range of its future liabilities in connection with the landfill located in West Covina, California is between $0.4 million and $3.1 million. Ducommun has established an accrual for its estimated liability in connection with the West Covina landfill of $0.4 million at June 29, 2019, which is reflected in other long-term liabilities on its condensed consolidated balance sheet. Ducommun’s ultimate liability in connection with these matters will depend upon a number of factors, including changes in existing laws and regulations, the design and cost of construction, operation and maintenance activities, and the allocation of liability among potentially responsible parties.

In the normal course of business, Ducommun and its subsidiaries are defendants in certain other litigation, claims and inquiries, including matters relating to environmental laws. In addition, Ducommun makes various commitments and incurs contingent liabilities in the ordinary course of business. While it is not feasible to predict the outcome of these matters, Ducommun does not presently expect that any sum it may be required to pay in connection with these matters would have a material adverse effect on its condensed consolidated financial position, results of operations or cash flows.

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Business Segment Information

6 Months Ended

Jun. 29, 2019

Segment Reporting [Abstract]

Business Segment Information

Business Segment Information

We supply products and services primarily to the aerospace and defense industries. Our subsidiaries are organized into two strategic businesses, Electronic Systems and Structural Systems, each of which is a reportable operating segment.

Financial information by reportable operating segment was as follows:

	(In thousands) Three Months Ended						(In thousands) Six Months Ended
	June 29, 2019			June 30, 2018			June 29, 2019			June 30, 2018
Net Revenues
Electronic Systems	$	89,260		$	84,502		$	173,457		$	166,910
Structural Systems	91,235			70,325			179,604			138,372
Total Net Revenues	$	180,495		$	154,827		$	353,061		$	305,282
Segment Operating Income
Electronic Systems	$	9,912		$	8,668		$	19,093		$	14,412
Structural Systems	11,773			5,026			22,322			9,417
	21,685			13,694			41,415			23,829
Corporate General and Administrative Expenses (1)	(8,081		)	(8,098		)	(14,963		)	(12,978		)
Operating Income	$	13,604		$	5,596		$	26,452		$	10,851
Depreciation and Amortization Expenses
Electronic Systems	$	3,531		$	3,683		$	7,033		$	7,315
Structural Systems	3,400			2,618			6,400			4,934
Corporate Administration	32			33			326			66
Total Depreciation and Amortization Expenses	$	6,963		$	6,334		$	13,759		$	12,315
Capital Expenditures
Electronic Systems	$	2,216		$	1,478		$	3,052		$	4,212
Structural Systems	3,672			1,101			7,361			2,630
Corporate Administration	—			190			—			190
Total Capital Expenditures	$	5,888		$	2,769		$	10,413		$	7,032

(1) Includes costs not allocated to either the Electronic Systems or Structural Systems operating segments.

Segment assets include assets directly identifiable to or allocated to each segment. Our segment assets are as follows:

	(In thousands)
	June 29, 2019		December 31, 2018
Total Assets
Electronic Systems	$	419,331	$	405,743
Structural Systems	245,724		220,993
Corporate Administration (1)	14,540		18,003
Total Assets	$	679,595	$	644,739
Goodwill and Intangibles
Electronic Systems	$	215,191	$	219,872
Structural Systems	27,576		28,277
Total Goodwill and Intangibles	$	242,767	$	248,149

(1) Includes assets not specifically identified to or allocated to either the Electronic Systems or Structural Systems operating segments, including cash and cash equivalents.

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Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 29, 2019

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The unaudited condensed consolidated financial statements include the accounts of Ducommun Incorporated and its subsidiaries (“Ducommun,” the “Company,” “we,” “us” or “our”), after eliminating intercompany balances and transactions. The December 31, 2018 condensed consolidated balance sheet data was derived from audited financial statements, but does not contain all disclosures required by accounting principles generally accepted in the United States of America (“GAAP”).

Our significant accounting policies were described in Part IV, Item 15(a)(1), “Note 1. Summary of Significant Accounting Policies” in our Annual Report on Form 10-K for the year ended December 31, 2018. We followed the same accounting policies for interim reporting except for the change in our lease accounting practices described below. The financial information included in this Quarterly Report on Form 10-Q should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2018.

In the opinion of management, all adjustments, consisting of recurring accruals, have been made that are necessary to fairly state our condensed consolidated financial position, statements of income, comprehensive income and cash flows in accordance with GAAP for the periods covered by this Quarterly Report on Form 10-Q. The results of operations for the three and six months ended June 29, 2019 are not necessarily indicative of the results to be expected for the full year ending December 31, 2019.

Our fiscal quarters typically end on the Saturday closest to the end of March, June and September for the first three fiscal quarters of each year, and ends on December 31 for our fourth fiscal quarter. As a result of using fiscal quarters for the first three quarters combined with leap years, our first and fourth fiscal quarters can range between 12 1/2 weeks to 13 1/2 weeks while the second and third fiscal quarters remain at a constant 13 weeks per fiscal quarter.

Changes in Accounting Policies and Recent Accounting Pronouncements

Changes in Accounting Policies

We adopted Accounting Standards Codification (“ASC”) 842, “Leases” (“ASC 842”), on January 1, 2019. As a result, we changed our accounting policy for lease accounting as discussed in Note 2.

We applied ASC 842 using the additional transition method and therefore, recognized the cumulative effect of initially applying ASC 842 as an adjustment to the opening condensed consolidated balance sheet at January 1, 2019. Therefore, the comparative information has not been adjusted and continues to be reported under the previous lease accounting standard, ASC 840, “Leases” (“ASC 840”).

Recent Accounting Pronouncements

New Accounting Guidance Adopted in 2019

In August 2017, the FASB issued ASU 2017-12, “Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging” (“ASU 2017-12”), which intends to improve and simplify accounting rules around hedge accounting. ASU 2017-12 refines and expands hedge accounting for both financial (i.e., interest rate) and commodity risks. In addition, it creates more transparency around how economic results are presented, both on the face of the financial statements and in the footnotes. The new guidance is effective for annual periods beginning after December 15, 2018, including interim periods within those annual periods, which is our interim period beginning January 1, 2019. Early adoption is permitted, including adoption in any interim period after the issuance of ASU 2017-12. The adoption of this standard did not have a material impact on our condensed consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04, “Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment” (“ASU 2017-04”), which simplifies the subsequent measurement of goodwill, the amendments eliminate Step Two from the goodwill impairment test. The annual, or interim, goodwill impairment test is performed by comparing the fair value of a reporting unit with its carrying amount. An impairment charge should be recognized for the amount by which the carrying amount exceeds the reporting unit’s fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. In addition, income tax effects from any tax deductible goodwill on the carrying amount of the reporting unit should be considered when measuring the goodwill impairment loss, if applicable. The amendments also eliminate the requirements for any reporting unit with a zero or negative carrying amount to perform a qualitative assessment and, if it fails that qualitative test, to perform Step Two of the goodwill impairment test. An entity still has the option to perform the qualitative assessment for a reporting unit to determine if the quantitative impairment test is necessary. The new guidance is effective for annual or interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. The adoption of this standard did not have a material impact on our condensed consolidated financial statements.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842)” (“ASU 2016-02”), which requires lessees to present right-of-use assets and lease liabilities on the balance sheet. Lessees are required to apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements or the additional transition method. Under the additional transition method, the cumulative effect of applying the new guidance is recognized as an adjustment to certain captions on the balance sheet, including the opening balance of retained earnings in the first quarter of 2019, and the prior years’ financial information will be presented under the prior accounting standard, ASC 840, “Leases,” (“ASC 840”). Additional guidance was issued subsequently as follows:

• July 2018, the FASB issued ASU 2018-11, “Leases (Topic 842): Targeted Improvements” (“ASU 2018-11”); and

• July 2018, the FASB issued ASU 2018-10, “Codification Improvements to Topic 842, Leases” (“ASU 2018-10”)

All the new guidance is effective for us beginning January 1, 2019. The cumulative impact to our retained earnings at January 1, 2019 was a net decrease of $0.3 million. See Note 2.

Recently Issued Accounting Standards

In April 2019, the FASB issued ASU 2019-04, “Codification Improvements to Topic 326, Financial Instruments - Credit Losses, Topic 815, Derivatives and Hedging, and Topic 825, Financial Statements” (“ASU 2019-04”), which clarify, correct, and improve various aspects of the guidance in ASU 2016-01, ASU 2016-13, and ASU 2017-12. The new guidance is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2020. We are evaluating the impact of this standard.

In March 2019, the FASB issued ASU 2019-01, “Leases (Topic 842): Codification Improvements” (“ASU 2019-01”), which addresses various lessor implementation issues and clarifies that lessees and lessors are exempt from certain interim disclosure requirements associated with the adoption of ASC 842. The new guidance is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2020. Early adoption is permitted. We are evaluating the impact of this standard.

In August 2018, the FASB issued ASU 2018-14, “Compensation - Retirement Benefits - Defined Benefit Plans - General (Topic 715-20): Disclosure Framework - Changes to the Disclosure Requirements for Defined Benefit Plans” (“ASU 2018-14”), which will remove disclosures that no longer are considered cost-beneficial, clarify the specific requirements of disclosures, and add disclosure requirements identified as relevant. The new guidance is effective for fiscal years beginning after December 15, 2020, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2021. Early adoption is permitted. We are evaluating the impact of this standard.

In August 2018, the FASB issued ASU 2018-13, “Fair Value Measurement (Topic 820): Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurement” (“ASU 2018-13”), which should improve the effectiveness of fair value measurement disclosures by removing certain requirements, modifying certain requirements, and adding certain new requirements. The new guidance is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2020. Early adoption is permitted. We are evaluating the impact of this standard.

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments” (“ASU 2016-13”), which is intended to improve financial reporting by requiring timelier recording of credit losses on loans and other financial instruments held by financial institutions and other organizations. ASU 2016-13 requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Financial institutions and other organizations will now use forward-looking information to better inform their credit loss estimates. Many of the loss estimation techniques applied today will still be permitted, although the inputs to those techniques will change to reflect the full amount of expected credit losses. Organizations will continue to use judgment to determine which loss estimation method is appropriate for their circumstances. ASU 2016-13 requires enhanced disclosures to help investors and other financial statement users better understand significant estimates and judgments used in estimating credit losses, as well as the credit quality and underwriting standards of an organization’s portfolio. These disclosures include qualitative and quantitative requirements that provide additional information about the amounts recorded in the financial statements. The new guidance is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2020. We are evaluating the impact of this standard.

Use of Estimates

Use of Estimates

Certain amounts and disclosures included in the unaudited condensed consolidated financial statements require management to make estimates and judgments that affect the amounts of assets, liabilities (including forward loss reserves), revenues and expenses, and related disclosures of contingent assets and liabilities. These estimates are based on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates.

Earnings Per Share

Earnings Per Share

Basic earnings per share are computed by dividing income available to common shareholders by the weighted-average number of common shares outstanding in each period. Diluted earnings per share is computed by dividing income available to common shareholders by the weighted-average number of common shares outstanding, plus any potentially dilutive shares that could be issued if exercised or converted into common stock in each period.

Fair Value

Fair Value

Assets and liabilities that are measured, recorded or disclosed at fair value on a recurring basis are categorized using the fair value hierarchy. The fair value hierarchy has three levels based on the reliability of the inputs used to determine the fair value. Level 1, the highest level, refers to the values determined based on quoted prices in active markets for identical assets. Level 2 refers to fair values estimated using significant observable inputs. Level 3, the lowest level, includes fair values estimated using significant unobservable inputs.

We have money market funds and they are included as cash and cash equivalents. We also have interest rate cap hedge agreements and the fair value of the interest rate cap hedge agreements were determined using pricing models that use observable market inputs as of the balance sheet date, a Level 2 measurement.

Cash and Cash Equivalents

Cash and Cash Equivalents

Cash equivalents consist of highly liquid instruments purchased with original maturities of three months or less. These assets are valued at cost, which approximates fair value, which we classify as Level 1.

Restricted Cash

Restricted Cash

Restricted cash consists of cash withheld from our employees’ salary who have enrolled in our employee stock purchase plan (“ESPP”). An offering period is six months and each employee determines the percentage of their salary that will be withheld during that six month offering period. At the end of the six month offering period, the amounts withheld will be used to purchase our Company’s stock at a discounted price. Employees have the option to withdraw from the ESPP during the six month offering period and the cash withheld to date will be returned to the employee. Thus, the entire balance of restricted cash is short term.

Derivatives Instruments

Derivative Instruments

We recognize derivative instruments on our condensed consolidated balance sheets at their fair value. On the date that we enter into a derivative contract, we designate the derivative instrument as a fair value hedge, a cash flow hedge, a hedge of a net investment in a foreign operation, or a derivative instrument that will not be accounted for using hedge accounting methods. As of June 29, 2019, all of our derivative instruments were designated as cash flow hedges.

We record changes in the fair value of a derivative instrument that is highly effective and that is designated and qualifies as a cash flow hedge in other comprehensive income (loss), net of tax until our earnings are affected by the variability of cash flows of the underlying hedge. We record any hedge ineffectiveness and amounts excluded from effectiveness testing in current period earnings within interest expense. We report changes in the fair values of derivative instruments that are not designated or do not qualify for hedge accounting in current period earnings. We classify cash flows from derivative instruments in the condensed consolidated statements of cash flows in the same category as the item being hedged or on a basis consistent with the nature of the instrument. For the three and six months ended June 29, 2019, the impact of cash flow hedges in the respective periods were insignificant.

When we determine that a derivative instrument is not highly effective as a hedge, we discontinue hedge accounting prospectively. In all situations in which we discontinue hedge accounting and the derivative instrument remains outstanding, we will carry the derivative instrument at its fair value on our condensed consolidated balance sheets and recognize subsequent changes in its fair value in our current period earnings.

Inventories

Inventories

Inventories are stated at the lower of cost or net realizable value with cost being determined using a moving average cost basis for raw materials and actual cost for work-in-process and finished goods. The majority of our inventory is charged to cost of sales as raw materials are placed into production and the related revenue is recognized. Inventoried costs include raw materials, outside processing, direct labor and allocated overhead, adjusted for any abnormal amounts of idle facility expense, freight, handling costs, and wasted materials (spoilage) incurred. We assess the inventory carrying value and reduce it, if necessary, to its net realizable value based on customer orders on hand, and internal demand forecasts using management’s best estimates given information currently available. The majority of our revenue are recognized over time, however, for revenue contracts where revenue is recognized using the point in time method, inventory is not reduced until it is shipped or transfer of control to the customer has occurred. Our ending inventory consists of raw materials, work-in-process, and finished goods.

Production Cost of Contracts and Revenue Recognition

Revenue Recognition

Our customers typically engage us to manufacture products based on designs and specifications provided by the end-use customer. This requires the building of tooling and manufacturing first article inspection products (prototypes) before volume manufacturing. Contracts with our customers generally include a termination for convenience clause.

We have a significant number of contracts that are started and completed within the same year, as well as contracts derived from long-term agreements and programs that can span several years. We recognize revenue under ASC 606, which utilizes a five-step model.

The definition of a contract for us is typically defined as a customer purchase order as this is when we achieve an enforceable right to payment. The majority of our contracts are firm fixed-price contracts. The deliverables within a customer purchase order are analyzed to determine the number of performance obligations. In addition, at times, in order to achieve economies of scale and based on our customer’s forecasted demand, we may build in advance of receiving a purchase order from our customer. When that occurs, we would not recognize revenue until we have received the customer purchase order.

A performance obligation is a promise in a contract to transfer a distinct good or service to the customer, and is the unit of account under ASC 606. A contract’s transaction price is allocated to each distinct performance obligation and recognized as revenue when, or as, control is transferred and the performance obligation is satisfied. The majority of our contracts have a single performance obligation as the promise to transfer the individual goods or services are highly interrelated or met the series guidance. For contracts with multiple performance obligations, we allocate the contract transaction price to each performance obligation using our best estimate of the standalone selling price of each distinct good or service in the contract. The primary method used to estimate the standalone selling price is the expected cost plus a margin approach, under which we forecast our expected costs of satisfying a performance obligation and then add an appropriate margin for that distinct good or service.

The majority of our performance obligations are satisfied over time as work progresses. Typically, revenue is recognized over time using an input measure (i.e., costs incurred to date relative to total estimated costs at completion, also known as cost-to-cost plus reasonable profit) to measure progress. Our typical revenue contract is a firm fixed price contract, and the cost of raw materials could make up a significant amount of the total costs incurred. As such, we believe using the total costs incurred input method would be the most appropriate method. While the cost of raw materials could make up a significant amount of the total costs incurred, there is a direct relationship between our inputs and the transfer of control of goods or services to the customer in the event the customer invokes the termination for convenience clause, we would be entitled to costs incurred to date plus a reasonable profit. The majority of our revenues are recognized over time. Contract costs typically include labor, materials, overhead, and when applicable, subcontractor costs.

Contract estimates are based on various assumptions to project the outcome of future events that can span multiple months or years. These assumptions include labor productivity and availability; the complexity of the work to be performed; the cost and availability of materials; and the performance of subcontractors.

As a significant change in one or more of these estimates could affect the profitability of our contracts, we review and update our contract-related estimates on a regular basis. We recognize adjustments in estimated profit on contracts under the cumulative catch-up method. Under this method, the impact of the adjustment on profit recorded to date is recognized in the period the adjustment is identified. Revenue and profit in future periods of contract performance is recognized using the adjusted estimate. If at any time the estimate of contract profitability indicates an anticipated loss on the contract, we recognize the total loss in the quarter it is identified.

The impact of adjustments in contract estimates on our operating earnings can be reflected in either operating costs and expenses or revenue.

Net cumulative catch up adjustments on profit recorded were not material during the three and six months ended June 29, 2019.

Payments under long-term contracts may be received before or after revenue is recognized. When revenue is recognized before we bill our customer, a contract asset is created for the work performed but not yet billed. Similarly, when we receive payment before we ship our products to our customer, a contract liability is created for the advance or progress payment.

Contract Assets and Contract Liabilities

Contract assets consist of our right to payment for work performed but not yet billed. Contract assets are transferred to accounts receivable when we ship the products to our customers and meet the shipping terms within the revenue contract. Contract liabilities consist of advance or progress payments received from our customers prior to the time transfer of control occurs plus the estimated losses on contracts.

Production Cost of Contracts

Production cost of contracts includes non-recurring production costs, such as design and engineering costs, and tooling and other special-purpose machinery necessary to build parts as specified in a contract. Production costs of contracts are recorded to cost of sales using the over time revenue recognition model. We review the value of the production cost of contracts on a quarterly basis to ensure when added to the estimated cost to complete, the value is not greater than the estimated realizable value of the related contracts.

Accumulated Other Comprehensive Loss

Accumulated Other Comprehensive Loss

Accumulated other comprehensive loss, as reflected on the condensed consolidated balance sheets under the equity section, was comprised of cumulative pension and retirement liability adjustments, net of tax, and change in net unrealized gains and losses on cash flow hedges, net of tax.

Provision for Estimated Losses on Contracts

Provision for Estimated Losses on Contracts

We record provisions for the total anticipated losses on contracts, considering total estimated costs to complete the contract compared to total anticipated revenues, in the period in which such losses are identified. The provisions for estimated losses on contracts require us to make certain estimates and assumptions, including those with respect to the future revenue under a contract and the future cost to complete the contract. Our estimate of the future cost to complete a contract may include assumptions as to changes in manufacturing efficiency, operating and material costs, and our ability to resolve claims and assertions with our customers. If any of these or other assumptions and estimates do not materialize in the future, we may be required to adjust the provisions for estimated losses on contracts. The provision for estimated losses on contracts is included as part of contract liabilities on the condensed consolidated balance sheets.

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Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 29, 2019

Accounting Policies [Abstract]

Schedule of Supplemental Cash Flow Information

Supplemental Cash Flow Information

	(In thousands)
	Six Months Ended
	June 29, 2019		June 30, 2018
Interest paid	$	7,985	$	5,202
Taxes paid	$	3,389	$	91
Non-cash activities:
Purchases of property and equipment not paid	$	3,671	$	1,589

Weighted Average Number of Shares Outstanding Used to Compute Earnings Per Share

The net income and weighted-average common shares outstanding used to compute earnings per share were as follows:

	(In thousands, except per share data)				(In thousands, except per share data)
	Three Months Ended				Six Months Ended
	June 29, 2019		June 30, 2018		June 29, 2019		June 30, 2018
Net income	$	7,815	$	1,591	$	15,287	$	4,191
Weighted-average number of common shares outstanding
Basic weighted-average common shares outstanding	11,513		11,394		11,475		11,370
Dilutive potential common shares	245		230		279		239
Diluted weighted-average common shares outstanding	11,758		11,624		11,754		11,609
Earnings per share
Basic	$	0.68	$	0.14	$	1.33	$	0.37
Diluted	$	0.66	$	0.14	$	1.30	$	0.36

Weighted Average Number of Shares Outstanding Excluded from Computation of Diluted Earnings

Potentially dilutive stock options and stock awards to purchase common stock, as shown below, were excluded from the computation of diluted earnings per share because their inclusion would have been anti-dilutive. However, these shares may be potentially dilutive common shares in the future.

	(In thousands)		(In thousands)
	Three Months Ended		Six Months Ended
	June 29, 2019	June 30, 2018	June 29, 2019	June 30, 2018
Stock options and stock units	66	224	55	186

Contract with Customer, Asset and Liability

Contract assets and contract liabilities from revenue contracts with customers are as follows:

	(In thousands)
	June 29, 2019		December 31, 2018
Contract assets	$	100,527	$	86,665
Contract liabilities	$	13,183	$	17,145

Disaggregation of Revenue

In addition to the revenue categories disclosed above, the following table reflects our revenue disaggregated by major end-use market:

	(In thousands)				(In thousands)
	Three Months Ended				Six Months Ended
	June 29 2019		June 30, 2018		June 29 2019		June 30, 2018
Consolidated Ducommun
Military and space	$	77,189	$	70,326	$	150,886	$	136,681
Commercial aerospace	91,988		71,844		180,456		142,676
Industrial	11,318		12,657		21,719		25,925
Total	$	180,495	$	154,827	$	353,061	$	305,282
Electronic Systems
Military and space	$	60,272	$	54,368	$	117,704	$	106,901
Commercial aerospace	17,670		17,477		34,034		34,084
Industrial	11,318		12,657		21,719		25,925
Total	$	89,260	$	84,502	$	173,457	$	166,910
Structural Systems
Military and space	$	16,917	$	15,958	$	33,182	$	29,780
Commercial aerospace	74,318		54,367		146,422		108,592
Total	$	91,235	$	70,325	$	179,604	$	138,372

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Adoption of Accounting Standards Codification 842 (Tables)

6 Months Ended

Jun. 29, 2019

Leases [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Policies

The net impact to the various captions on our January 1, 2019 opening unaudited condensed consolidated balance sheets was as follows:

	(In thousands)
	December 31, 2018					January 1, 2019
Unaudited Condensed Consolidated Balance Sheets	Balances Without Adoption of ASC 842		Effect of Adoption			Balances With Adoption of ASC 842
Assets
Other current assets	$	6,531	$	(208	)	$	6,323
Operating lease right-of-use assets	$	—	$	18,985		$	18,985
Non-current deferred income taxes	$	308	$	5		$	313
Other assets	$	5,155	$	254		$	5,409
Liabilities
Operating lease liabilities	$	—	$	2,544		$	2,544
Accrued and other liabilities	$	37,786	$	(329	)	$	37,457
Non-current operating lease liabilities	$	—	$	18,117		$	18,117
Non-current deferred income taxes	$	18,070	$	(76	)	$	17,994
Other long-term liabilities	$	14,441	$	(956	)	$	13,485
Shareholders’ Equity
Retained earnings	$	180,356	$	264		$	180,620

Lease, Cost

The weighted average discount rate as of June 29, 2019 was as follows:

Operating leases	6.5	%
Finance leases	6.5	%

The weighted average remaining lease terms as of June 29, 2019 were as follows:

	(In years)
Operating leases	8
Finance leases	5

The components of lease expense for the three and six months ended June 29, 2019 were as follows:

	(In thousands)
	Three Months Ended		Six Months Ended
	June 29, 2019		June 29, 2019
Operating leases expense	$	956	$	1,919
Finance leases expense:
Amortization of right-of-use assets	$	55	$	100
Interest on lease liabilities	11		20
Total finance lease expense	$	66	$	120

Supplemental cash flow information related to leases for the six months ended June 29, 2019 was as follows:

	(In thousands)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	1,980
Operating cash flows from finance leases	$	20
Financing cash flows from finance leases	$	68
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	1,437
Finance leases	$	457

Finance Lease, Liability, Maturity

Maturity of operating and finance lease liabilities are as follows:

	(In thousands)
	Operating Leases		Finance Leases
2019 (Excluding the six months ended June 29, 2019)	$	2,051	$	118
2020	4,096		229
2021	3,815		168
2022	3,479		53
2023	3,101		37
Thereafter	7,303		56
Total lease payments	23,845		661
Less imputed interest	5,137		91
Total	$	18,708	$	570

Lessee, Operating Lease, Liability, Maturity

Maturity of operating and finance lease liabilities are as follows:

	(In thousands)
	Operating Leases		Finance Leases
2019 (Excluding the six months ended June 29, 2019)	$	2,051	$	118
2020	4,096		229
2021	3,815		168
2022	3,479		53
2023	3,101		37
Thereafter	7,303		56
Total lease payments	23,845		661
Less imputed interest	5,137		91
Total	$	18,708	$	570

Schedule of Future Minimum Rental Payments for Operating Leases

As previously disclosed in our 2018 Annual Report on Form 10-K and under the previous accounting maturities of lease liabilities were as follows as of December 31, 2018:

	(In thousands)
2019	$	3,680
2020	3,405
2021	2,789
2022	1,404
2023	980
Thereafter	580
Total	$	12,838

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Restructuring Activities (Tables)

6 Months Ended

Jun. 29, 2019

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Activities

Our restructuring activities in the six months ended June 29, 2019 were as follows (in thousands):

	December 31, 2018		Six Months Ended June 29, 2019									June 29, 2019
	Balance		Cash Payments			Adoption of ASU 842 Adjustment			Change in Estimates			Balance
Severance and benefits	$	2,631	$	(2,319	)	$	—		$	—		$	312
Lease termination	861		(126		)	(735		)	—			—
Professional service fees	43		(43		)	—			—			—
Other	416		(416		)	—			—			—
Total charged to restructuring charges	3,951		(2,904		)	(735		)	—			312
Inventory reserve	50		—			—			(50		)	—
Total charged to cost of sales	50		—			—			(50		)	—
Ending balance	$	4,001	$	(2,904	)	$	(735	)	$	(50	)	$	312

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Inventories (Tables)

6 Months Ended

Jun. 29, 2019

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories consisted of the following:

	(In thousands)
	June 29, 2019		December 31, 2018
Raw materials and supplies	$	97,735	$	89,767
Work in process	8,927		9,199
Finished goods	2,665		2,159
Total	$	109,327	$	101,125

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Goodwill (Tables)

6 Months Ended

Jun. 29, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The carrying amounts of our goodwill were as follows:

	Electronic Systems			Structural Systems		Consolidated Ducommun
Gross goodwill	$	199,157		$	18,622	$	217,779
Accumulated goodwill impairment	(81,722		)	—		(81,722		)
Balance at December 31, 2018	$	117,435		$	18,622	$	136,057
Balance at June 29, 2019	$	117,435		$	18,622	$	136,057

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Accrued and Other Liabilities (Tables)

6 Months Ended

Jun. 29, 2019

Payables and Accruals [Abstract]

Summary of Accrued Liabilities

The components of accrued and other liabilities were as follows:

	(In thousands)
	June 29, 2019		December 31, 2018
Accrued compensation	$	26,160	$	29,616
Accrued income tax and sales tax	33		82
Other	7,156		8,088
Total	$	33,349	$	37,786

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Long-Term Debt (Tables)

6 Months Ended

Jun. 29, 2019

Debt Disclosure [Abstract]

Long Term Debt Summary

Long-term debt and the current period interest rates were as follows:

	(In thousands)
	June 29, 2019			December 31, 2018
Term loan	$	227,000		$	233,000
Revolving credit facility	2,500			—
Total debt	229,500			233,000
Less current portion	2,281			2,330
Total long-term debt, less current portion	227,219			230,670
Less debt issuance costs - term loan	1,614			1,802
Total long-term debt, net of debt issuance costs - term loan	225,605			228,868
Less debt issuance costs - revolving credit facility (1)	1,769			1,907
Total long-term debt, net of debt issuance costs	$	223,836		$	226,961
Weighted-average interest rate	6.91		%	4.71		%

(1) Included as part of other assets

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Employee Benefit Plans (Tables)

6 Months Ended

Jun. 29, 2019

Retirement Benefits [Abstract]

Components of Net Periodic Pension Cost

The components of net periodic pension expense were as follows:

	(In thousands)						(In thousands)
	Three Months Ended						Six Months Ended
	June 29, 2019			June 30, 2018			June 29, 2019			June 30, 2018
Service cost	$	126		$	150		$	251		$	300
Interest cost	347			317			694			634
Expected return on plan assets	(411		)	(446		)	(822		)	(892		)
Amortization of actuarial losses	221			186			443			372
Net periodic pension cost	$	283		$	207		$	566		$	414

Reclassification out of Accumulated Other Comprehensive Income

The components of the reclassifications of net actuarial losses from accumulated other comprehensive loss to net income for the three and six months ended June 29, 2019 were as follows:

	(In thousands)
	Three Months Ended			Six Months Ended
	June 29, 2019			June 29, 2019
Amortization of actuarial losses - total before tax (1)	$	221		$	443
Tax benefit	(51		)	(103		)
Net of tax	$	170		$	340

(1) The amortization expense is included in the computation of periodic pension cost and is a decrease to net income upon reclassification from accumulated other comprehensive loss.

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Business Segment Information (Tables)

6 Months Ended

Jun. 29, 2019

Segment Reporting [Abstract]

Financial Information by Reportable Segment

Financial information by reportable operating segment was as follows:

	(In thousands) Three Months Ended						(In thousands) Six Months Ended
	June 29, 2019			June 30, 2018			June 29, 2019			June 30, 2018
Net Revenues
Electronic Systems	$	89,260		$	84,502		$	173,457		$	166,910
Structural Systems	91,235			70,325			179,604			138,372
Total Net Revenues	$	180,495		$	154,827		$	353,061		$	305,282
Segment Operating Income
Electronic Systems	$	9,912		$	8,668		$	19,093		$	14,412
Structural Systems	11,773			5,026			22,322			9,417
	21,685			13,694			41,415			23,829
Corporate General and Administrative Expenses (1)	(8,081		)	(8,098		)	(14,963		)	(12,978		)
Operating Income	$	13,604		$	5,596		$	26,452		$	10,851
Depreciation and Amortization Expenses
Electronic Systems	$	3,531		$	3,683		$	7,033		$	7,315
Structural Systems	3,400			2,618			6,400			4,934
Corporate Administration	32			33			326			66
Total Depreciation and Amortization Expenses	$	6,963		$	6,334		$	13,759		$	12,315
Capital Expenditures
Electronic Systems	$	2,216		$	1,478		$	3,052		$	4,212
Structural Systems	3,672			1,101			7,361			2,630
Corporate Administration	—			190			—			190
Total Capital Expenditures	$	5,888		$	2,769		$	10,413		$	7,032

(1) Includes costs not allocated to either the Electronic Systems or Structural Systems operating segments.

Segment Assets

Our segment assets are as follows:

	(In thousands)
	June 29, 2019		December 31, 2018
Total Assets
Electronic Systems	$	419,331	$	405,743
Structural Systems	245,724		220,993
Corporate Administration (1)	14,540		18,003
Total Assets	$	679,595	$	644,739
Goodwill and Intangibles
Electronic Systems	$	215,191	$	219,872
Structural Systems	27,576		28,277
Total Goodwill and Intangibles	$	242,767	$	248,149

(1) Includes assets not specifically identified to or allocated to either the Electronic Systems or Structural Systems operating segments, including cash and cash equivalents.

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Summary of Significant Accounting Policies - Additional Information (Details) $ in Millions	6 Months Ended
	Jun. 29, 2019 USD ($) Segment	Jan. 01, 2019 USD ($)
Accounting Policies [Abstract]
Number of reportable segments | Segment	2
Unamortized premium (less than)	$ 0.1
Remaining performance obligation	$ 666.5
Cumulative impact to retained earnings		$ (0.3)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-06-30
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, percentage	70.00%
Remaining performance obligation, period	12 months

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Summary of Significant Accounting Policies - Supplemental Cash Flow Items (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018
Supplemental Disclosures of Cash Flow Information
Interest paid	$ 7,985	$ 5,202
Taxes paid	3,389	91
Non-cash activities:
Purchases of property and equipment not paid	$ 3,671	$ 1,589

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Summary of Significant Accounting Policies - Weighted Average Number of Shares Outstanding Used to Compute Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Accounting Policies [Abstract]
Net income	$ 7,815	$ 1,591	$ 15,287	$ 4,191
Weighted-average number of common shares outstanding
Basic weighted-average common shares outstanding (in shares)	11,513	11,394	11,475	11,370
Dilutive potential common shares (in shares)	245	230	279	239
Diluted weighted-average common shares outstanding (in shares)	11,758	11,624	11,754	11,609
Earnings per share
Basic (in dollars per share)	$ 0.68	$ 0.14	$ 1.33	$ 0.37
Diluted (in dollars per share)	$ 0.66	$ 0.14	$ 1.30	$ 0.36

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Summary of Significant Accounting Policies - Weighted Average Number of Shares Outstanding Excluded from Computation of Diluted Earnings (Detail) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Stock options and stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially dilutive stock options and stock units to purchase common stock (in shares)	66	224	55	186

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Summary of Significant Accounting Policies - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 29, 2019	Dec. 31, 2018
Accounting Policies [Abstract]
Contract assets	$ 100,527	$ 86,665
Contract liabilities	$ 13,183	$ 17,145

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Summary of Significant Accounting Policies - Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Net Revenues	$ 180,495	$ 154,827	$ 353,061	$ 305,282
Military and space
Disaggregation of Revenue [Line Items]
Net Revenues	77,189	70,326	150,886	136,681
Commercial Aerospace
Disaggregation of Revenue [Line Items]
Net Revenues	91,988	71,844	180,456	142,676
Industrial
Disaggregation of Revenue [Line Items]
Net Revenues	11,318	12,657	21,719	25,925
Electronic Systems
Disaggregation of Revenue [Line Items]
Net Revenues	89,260	84,502	173,457	166,910
Electronic Systems | Military and space
Disaggregation of Revenue [Line Items]
Net Revenues	60,272	54,368	117,704	106,901
Electronic Systems | Commercial Aerospace
Disaggregation of Revenue [Line Items]
Net Revenues	17,670	17,477	34,034	34,084
Electronic Systems | Industrial
Disaggregation of Revenue [Line Items]
Net Revenues	11,318	12,657	21,719	25,925
Structural Systems
Disaggregation of Revenue [Line Items]
Net Revenues	91,235	70,325	179,604	138,372
Structural Systems | Military and space
Disaggregation of Revenue [Line Items]
Net Revenues	16,917	15,958	33,182	29,780
Structural Systems | Commercial Aerospace
Disaggregation of Revenue [Line Items]
Net Revenues	$ 74,318	$ 54,367	$ 146,422	$ 108,592

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Adoption of Accounting Standards Codification 842 - Balance Sheet (Details) - USD ($) $ in Thousands	Jun. 29, 2019	Jan. 01, 2019	Dec. 31, 2018
Assets
Other current assets	$ 5,929	$ 6,323	$ 6,531
Operating lease right-of-use assets	19,148	18,985
Non-current deferred income taxes	313	313	308
Other assets	5,514	5,409	5,155
Liabilities
Operating lease liabilities	2,858	2,544
Accrued and other liabilities	33,349	37,457	37,786
Non-current operating lease liabilities	17,911	18,117
Non-current deferred income taxes	18,175	17,994	18,070
Other long-term liabilities	14,724	13,485	14,441
Shareholders’ Equity
Retained earnings	$ 195,379	180,620	$ 180,356
Accounting Standards Update 2016-02
Assets
Other current assets		(208)
Operating lease right-of-use assets		18,985
Non-current deferred income taxes		5
Other assets		254
Liabilities
Operating lease liabilities		2,544
Accrued and other liabilities		(329)
Non-current operating lease liabilities		18,117
Non-current deferred income taxes		(76)
Other long-term liabilities		(956)
Shareholders’ Equity
Retained earnings		$ 264

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Adoption of Accounting Standards Codification 842 - Narrative (Details)	6 Months Ended
	Jun. 29, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Lease renewal term	10 years
Lease termination period	1 year
Payments due with option to extend	$ 11,400,000
Operating lease, lease not yet commenced, amount	0
Finance lease, lease not yet commenced, amount	$ 1,500,000
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	1 year
Finance lease, lease not yet commenced, term of contract	5 years
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	10 years
Finance lease, lease not yet commenced, term of contract	10 years

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Adoption of Accounting Standards Codification 842 - Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 29, 2019	Jun. 29, 2019
Leases [Abstract]
Operating leases expense	$ 956	$ 1,919
Finance leases expense:
Amortization of right-of-use assets	55	100
Interest on lease liabilities	11	20
Total finance lease expense	$ 66	$ 120

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Adoption of Accounting Standards Codification 842 - Supplemental Cash Flow (Details) $ in Thousands	6 Months Ended
	Jun. 29, 2019 USD ($)
Leases [Abstract]
Operating cash flows from operating leases	$ 1,980
Operating cash flows from finance leases	20
Financing cash flows from finance leases	68
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	1,437
Finance leases	$ 457

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Adoption of Accounting Standards Codification 842 - Weighted Average Remaining Lease Term and Discount Rate (Details)	Jun. 29, 2019
Weighted Average Lease Term
Operating leases	8 years
Finance leases	5 years
Weighted Average Discount Rate
Operating leases	6.50%
Finance leases	6.50%

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Adoption of Accounting Standards Codification 842 - Undiscounted Cash Flows (Details) $ in Thousands	Jun. 29, 2019 USD ($)
Operating Leases
2019 (Excluding the six months ended June 29, 2019)	$ 2,051
2020	4,096
2021	3,815
2022	3,479
2023	3,101
Thereafter	7,303
Total lease payments	23,845
Less imputed interest	5,137
Total	18,708
Finance Leases
2019 (Excluding the six months ended June 29, 2019)	118
2020	229
2021	168
2022	53
2023	37
Thereafter	56
Total lease payments	661
Less imputed interest	91
Total	$ 570

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Adoption of Accounting Standards Codification 842 - Prior Year Future Minimum Lease Payments (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Leases [Abstract]
2019	$ 3,680
2020	3,405
2021	2,789
2022	1,404
2023	980
Thereafter	580
Total	$ 12,838

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Business Combination - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	6 Months Ended
	Apr. 30, 2018	Jun. 29, 2019	Jun. 30, 2018	Dec. 31, 2018
Business Acquisition [Line Items]
Purchase price of acquisition		$ 0	$ 30,993
Goodwill		$ 136,057		$ 136,057
Certified Thermoplastics Co., LLC
Business Acquisition [Line Items]
Percentage of outstanding common stock acquired	100.00%
Purchase price of acquisition	$ 30,700
Payments to acquire business	30,800
Total preliminary purchase price allocation	30,800
Intangible assets	8,100
Inventories	2,200
Accounts receivable	1,500
Property and equipment	600
Cash	100
Other current assets	100
Total liabilities assumed	400
Goodwill	$ 18,600
Useful life (in years)	10 years
Certified Thermoplastics Co., LLC | Customer relationships
Business Acquisition [Line Items]
Intangible assets	$ 6,900
Certified Thermoplastics Co., LLC | Trade names and trademarks
Business Acquisition [Line Items]
Intangible assets	$ 1,200

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Restructuring Activities (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date	$ 23,600		$ 23,600
Restructuring charges	0	$ 5,238	0	$ 7,411	$ 14,800	$ 8,800
Electronic Systems
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date	900		900
Inventory write-down			100
Accrued severance and loss on early exit	100		100
Electronic Systems | Severance and benefits
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date	3,800		3,800
Electronic Systems | Lease termination
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date	900		900
Electronic Systems | Professional service fees
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date	200		200
Electronic Systems | Property and equipment impairment due to restructuring
Restructuring Cost and Reserve [Line Items]
Non-cash payments			100
Structural Systems
Restructuring Cost and Reserve [Line Items]
Inventory write-down			500
Accrued severance and loss on early exit	100		100
Structural Systems | Severance and benefits
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date	3,000		3,000
Structural Systems | Property and equipment impairment due to restructuring
Restructuring Cost and Reserve [Line Items]
Non-cash payments			9,800
Structural Systems | Other restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date	400		400
Corporate Administration
Restructuring Cost and Reserve [Line Items]
Accrued severance and loss on early exit	100		100
Corporate Administration | Severance and benefits
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date	1,400		1,400
Corporate Administration | Professional service fees
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date	1,000		1,000
Corporate Administration | Modification of stock-based compensation awards
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, cost incurred to date	$ 1,400		$ 1,400

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Restructuring Activities - Other Restructuring Activities (Details) $ in Thousands	6 Months Ended
	Jun. 29, 2019 USD ($)
Restructuring Reserve [Roll Forward]
Beginning balance	$ 4,001
Cash Payments	(2,904)
Adoption of ASU 842 Adjustment	(735)
Change in Estimates	(50)
Ending balance	312
Restructuring charges
Restructuring Reserve [Roll Forward]
Beginning balance	3,951
Cash Payments	(2,904)
Adoption of ASU 842 Adjustment	(735)
Change in Estimates	0
Ending balance	312
Cost of sales
Restructuring Reserve [Roll Forward]
Beginning balance	50
Cash Payments	0
Adoption of ASU 842 Adjustment	0
Change in Estimates	(50)
Ending balance	0
Severance and benefits
Restructuring Reserve [Roll Forward]
Beginning balance	2,631
Cash Payments	(2,319)
Adoption of ASU 842 Adjustment	0
Change in Estimates	0
Ending balance	312
Lease termination
Restructuring Reserve [Roll Forward]
Beginning balance	861
Cash Payments	(126)
Adoption of ASU 842 Adjustment	(735)
Change in Estimates	0
Ending balance	0
Professional service fees
Restructuring Reserve [Roll Forward]
Beginning balance	43
Cash Payments	(43)
Adoption of ASU 842 Adjustment	0
Change in Estimates	0
Ending balance	0
Other restructuring
Restructuring Reserve [Roll Forward]
Beginning balance	416
Cash Payments	(416)
Adoption of ASU 842 Adjustment	0
Change in Estimates	0
Ending balance	0
Inventory reserve
Restructuring Reserve [Roll Forward]
Beginning balance	50
Cash Payments	0
Adoption of ASU 842 Adjustment	0
Change in Estimates	(50)
Ending balance	$ 0

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Inventories (Detail) - USD ($) $ in Thousands	Jun. 29, 2019	Dec. 31, 2018
Inventory Disclosure [Abstract]
Raw materials and supplies	$ 97,735	$ 89,767
Work in process	8,927	9,199
Finished goods	2,665	2,159
Total	$ 109,327	$ 101,125

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Goodwill (Detail) - USD ($) $ in Thousands	Jun. 29, 2019	Dec. 31, 2018	Apr. 30, 2018
Goodwill [Line Items]
Gross goodwill		$ 217,779
Accumulated goodwill impairment		(81,722)
Goodwill	$ 136,057	136,057
Electronic Systems
Goodwill [Line Items]
Gross goodwill		199,157
Accumulated goodwill impairment		(81,722)
Goodwill	117,435	117,435
Structural Systems
Goodwill [Line Items]
Gross goodwill		18,622
Accumulated goodwill impairment		0
Goodwill	$ 18,622	$ 18,622
Percentage of fair value in excess of carrying amount	85.00%
Certified Thermoplastics Co., LLC
Goodwill [Line Items]
Goodwill			$ 18,600
Certified Thermoplastics Co., LLC | Structural Systems
Goodwill [Line Items]
Goodwill			$ 18,600

XML

Accrued and Other Liabilities (Detail) - USD ($) $ in Thousands	Jun. 29, 2019	Jan. 01, 2019	Dec. 31, 2018
Payables and Accruals [Abstract]
Accrued compensation	$ 26,160		$ 29,616
Accrued income tax and sales tax	33		82
Other	7,156		8,088
Total	$ 33,349	$ 37,457	$ 37,786

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Long Term Debt - Summary (Detail) - USD ($) $ in Thousands	Jun. 29, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Long-term debt	$ 229,500	$ 233,000
Less current portion	2,281	2,330
Total long-term debt, less current portion	227,219	230,670
Total long-term debt, net of debt issuance costs	$ 223,836	$ 226,961
Weighted-average interest rate (percent)	6.91%	4.71%
Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt	$ 2,500	$ 0
Less debt issuance costs - term loan	1,769	1,907
Secured Debt
Debt Instrument [Line Items]
Long-term debt	227,000	233,000
Less debt issuance costs - term loan	1,614	1,802
Total long-term debt, net of debt issuance costs	$ 225,605	$ 228,868

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Long-Term Debt - Additional information (Detail)	1 Months Ended						3 Months Ended	6 Months Ended		12 Months Ended
	Dec. 31, 2018 USD ($)	Nov. 30, 2018 USD ($)	Apr. 30, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Oct. 31, 2015 USD ($)	Jun. 29, 2019 USD ($)	Jun. 29, 2019 USD ($) subsidiary	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)
Debt Instrument [Line Items]
Repayments of debt								$ 65,000	$ 0
Preliminary purchase price allocation								$ 0	$ 30,993,000
Parsons, KS | Municipal Bonds
Debt Instrument [Line Items]
Revenue bonds purchased	$ 2,200,000			$ 14,200,000	$ 9,900,000					$ 2,200,000
Parsons, KS
Debt Instrument [Line Items]
Proceeds received from sale of property to be leased back	2,200,000			14,200,000	9,900,000
Total lease liability from assets sold	$ 2,200,000			$ 14,200,000	$ 9,900,000					2,200,000
Interest rate cap
Debt Instrument [Line Items]
Interest rate hedge						$ 135,000,000
Payments made for interest rate hedge						$ 1,000,000
New Term Loan Maturing November 21, 2025
Debt Instrument [Line Items]
Debt issuance costs, line of credit arrangements		$ 1,700,000
Accumulated amortization of debt issuance costs		100,000
Debt issuance costs		$ 1,800,000
Term		7 years
New Revolving Credit Facility Maturing November 21, 2023
Debt Instrument [Line Items]
Debt issuance costs, line of credit arrangements		$ 1,800,000
Accumulated amortization of debt issuance costs		200,000
Debt issuance costs		$ 2,000,000
Term		5 years
New Existing Revolving Credit Facility
Debt Instrument [Line Items]
Amortization of debt issuance costs		$ 500,000
Gain (loss) on extinguishment of debt										$ (900,000)
Existing Term Loan
Debt Instrument [Line Items]
Amortization of debt issuance costs		400,000
New Credit Facilities
Debt Instrument [Line Items]
Debt issuance costs, line of credit arrangements		3,500,000
Number of subsidiaries that are not guarantors on debt | subsidiary								2
Certified Thermoplastics Co., LLC
Debt Instrument [Line Items]
Borrowings from debt			$ 30,800,000
Preliminary purchase price allocation			$ 30,700,000
Secured Debt | New Term Loan Maturing November 21, 2025
Debt Instrument [Line Items]
Debt amount		$ 240,000,000.0
Prepayment amount of principal outstanding		0.25%
Repayments of debt							$ 3,000,000	$ 6,000,000
Borrowings from debt		$ 240,000,000
Secured Debt | New Term Loan Maturing November 21, 2025 | LIBOR | Minimum
Debt Instrument [Line Items]
Spread on variable rate		3.75%
Secured Debt | New Term Loan Maturing November 21, 2025 | LIBOR | Maximum
Debt Instrument [Line Items]
Spread on variable rate		4.00%
Secured Debt | New Term Loan Maturing November 21, 2025 | Federal Funds Rate
Debt Instrument [Line Items]
Spread on base rate		0.50%
Secured Debt | New Term Loan Maturing November 21, 2025 | Eurodollar Rate
Debt Instrument [Line Items]
Spread on base rate		1.00%
Secured Debt | New Term Loan Maturing November 21, 2025 | Base Rate | Minimum
Debt Instrument [Line Items]
Spread on variable rate		3.75%
Secured Debt | New Term Loan Maturing November 21, 2025 | Base Rate | Maximum
Debt Instrument [Line Items]
Spread on variable rate		4.00%
Revolving Credit Facility | New Revolving Credit Facility Maturing November 21, 2023
Debt Instrument [Line Items]
Debt amount		$ 100,000,000.0
Percentage of excess cash flow payment when leverage ratio is greater than 3.25		50.00%
Percentage of excess cash flow payment when leverage ratio is less than or equal to 3.25 but greater than 2.50		25.00%
Percentage of excess cash flow payment when leverage ratio is less than or equal to 2.50		0.00%
Borrowings from debt		$ 7,900,000
Revolving Credit Facility | New Revolving Credit Facility Maturing November 21, 2023 | Minimum
Debt Instrument [Line Items]
Commitment fee		0.20%
Revolving Credit Facility | New Revolving Credit Facility Maturing November 21, 2023 | Maximum
Debt Instrument [Line Items]
Commitment fee		0.30%
Revolving Credit Facility | New Revolving Credit Facility Maturing November 21, 2023 | LIBOR | Minimum
Debt Instrument [Line Items]
Spread on variable rate		1.75%
Revolving Credit Facility | New Revolving Credit Facility Maturing November 21, 2023 | LIBOR | Maximum
Debt Instrument [Line Items]
Spread on variable rate		2.75%
Revolving Credit Facility | New Revolving Credit Facility Maturing November 21, 2023 | Federal Funds Rate
Debt Instrument [Line Items]
Spread on base rate		0.50%
Revolving Credit Facility | New Revolving Credit Facility Maturing November 21, 2023 | Eurodollar Rate
Debt Instrument [Line Items]
Spread on base rate		1.00%
Revolving Credit Facility | New Revolving Credit Facility Maturing November 21, 2023 | Base Rate | Minimum
Debt Instrument [Line Items]
Spread on variable rate		0.75%
Revolving Credit Facility | New Revolving Credit Facility Maturing November 21, 2023 | Base Rate | Maximum
Debt Instrument [Line Items]
Spread on variable rate		1.75%
Revolving Credit Facility | New Existing Revolving Credit Facility
Debt Instrument [Line Items]
Repayments of debt		$ 247,900,000
Revolving Credit Facility | New Credit Facilities
Debt Instrument [Line Items]
Borrowings from debt								2,500,000
Remaining borrowing capacity							97,300,000	97,300,000
Outstanding standby letters of credit							$ 200,000	$ 200,000

XML

Employee Benefit Plans - Components of Net Periodic Pension Cost for Defined Benefit Pension Plan and Retirement Plan (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Retirement Benefits [Abstract]
Service cost	$ 126	$ 150	$ 251	$ 300
Interest cost	347	317	694	634
Expected return on plan assets	(411)	(446)	(822)	(892)
Amortization of actuarial losses	221	186	443	372
Net periodic pension cost	$ 283	$ 207	$ 566	$ 414

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Employee Benefit Plans - Reclassifications from Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 29, 2019	Jun. 29, 2019
Retirement Benefits [Abstract]
Amortization of actuarial loss - total before tax	$ 221	$ 443
Tax benefit	(51)	(103)
Net of tax	$ 170	$ 340

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Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018	Dec. 31, 2018
Operating Loss Carryforwards [Line Items]
Income Tax Expense (Benefit)	$ 1,363	$ 242	$ 2,388	$ (1)
Unrecognized tax benefits	5,400		5,400		$ 5,300
Expected reduction in unrecognized tax benefits	$ 3,500		$ 3,500
Maximum
Operating Loss Carryforwards [Line Items]
Income Tax Expense (Benefit)				$ 100

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Contingencies (Detail) - Structural Systems - USD ($) $ in Millions	Jun. 29, 2019	Dec. 31, 2018
El Mirage and Monrovia, California
Loss Contingencies [Line Items]
Reserve for estimated liability	$ 1.5	$ 1.5
West Covina, California
Loss Contingencies [Line Items]
Reserve for estimated liability	0.4
Minimum | West Covina, California
Loss Contingencies [Line Items]
Possible loss	0.4
Maximum | West Covina, California
Loss Contingencies [Line Items]
Possible loss	$ 3.1

XML

Business Segment Information - Additional Information (Detail)	6 Months Ended
	Jun. 29, 2019 Segment
Segment Reporting [Abstract]
Number of reportable segments	2

XML

Business Segment Information - Financial Information by Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Segment Reporting Information [Line Items]
Net Revenues	$ 180,495	$ 154,827	$ 353,061	$ 305,282
Operating Income	13,604	5,596	26,452	10,851
Total Depreciation and Amortization Expenses	6,963	6,334	13,759	12,315
Capital Expenditures	5,888	2,769	10,413	7,032
Electronic Systems
Segment Reporting Information [Line Items]
Net Revenues	89,260	84,502	173,457	166,910
Structural Systems
Segment Reporting Information [Line Items]
Net Revenues	91,235	70,325	179,604	138,372
Operating Segments
Segment Reporting Information [Line Items]
Operating Income	21,685	13,694	41,415	23,829
Operating Segments | Electronic Systems
Segment Reporting Information [Line Items]
Net Revenues	89,260	84,502	173,457	166,910
Operating Income	9,912	8,668	19,093	14,412
Total Depreciation and Amortization Expenses	3,531	3,683	7,033	7,315
Capital Expenditures	2,216	1,478	3,052	4,212
Operating Segments | Structural Systems
Segment Reporting Information [Line Items]
Net Revenues	91,235	70,325	179,604	138,372
Operating Income	11,773	5,026	22,322	9,417
Total Depreciation and Amortization Expenses	3,400	2,618	6,400	4,934
Capital Expenditures	3,672	1,101	7,361	2,630
Segment Reconciling Items
Segment Reporting Information [Line Items]
Corporate General and Administrative Expenses	(8,081)	(8,098)	(14,963)	(12,978)
Corporate Administration
Segment Reporting Information [Line Items]
Total Depreciation and Amortization Expenses	32	33	326	66
Capital Expenditures	$ 0	$ 190	$ 0	$ 190

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Business Segment Information - Segment Assets (Detail) - USD ($) $ in Thousands	Jun. 29, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Total Assets	$ 679,595	$ 644,739
Total Goodwill and Intangibles	242,767	248,149
Operating Segments | Electronic Systems
Segment Reporting Information [Line Items]
Total Assets	419,331	405,743
Total Goodwill and Intangibles	215,191	219,872
Operating Segments | Structural Systems
Segment Reporting Information [Line Items]
Total Assets	245,724	220,993
Total Goodwill and Intangibles	27,576	28,277
Corporate Administration
Segment Reporting Information [Line Items]
Total Assets	$ 14,540	$ 18,003

XML

Label	Element	Value
Accounting Standards Update 2018-02 [Member] | AOCI Attributable to Parent [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ (1,318,000)
Accounting Standards Update 2018-02 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	1,292,000
Accounting Standards Update 2014-09 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	8,665,000
Accounting Standards Update 2016-02 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	$ (264,000)