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 April 1, 2017

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 1-8174

_________________________________________________________

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.)
23301 Wilmington Avenue, Carson, California	90745-6209
(Address of principal executive offices)	(Zip code)

Registrant’s telephone number, including area code: (310) 513-7200

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

_________________________________________________________

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 April 25, 2017, the registrant had 11,269,350 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 April 1, 2017 and December 31, 2016	3
		Condensed Consolidated Statements of Income for the Three Months Ended April 1, 2017 and April 2, 2016	4
		Condensed Consolidated Statements of Comprehensive Income for the Three Months Ended April 1, 2017 and April 2, 2016	5
		Condensed Consolidated Statements of Cash Flows for the Three Months Ended April 1, 2017 and April 2, 2016	6
		Notes to Condensed Consolidated Financial Statements	7
	Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	19
	Item 3.	Quantitative and Qualitative Disclosures About Market Risk	27
	Item 4.	Controls and Procedures	27
PART II. OTHER INFORMATION
	Item 1.	Legal Proceedings	28
	Item 1A.	Risk Factors	28
	Item 4.	Mine Safety Disclosures	28
	Item 6.	Exhibits	29
Signatures			32

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PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

Ducommun Incorporated and Subsidiaries

Condensed Consolidated Balance Sheets

(Unaudited)

(In thousands, except share and per share data)

	April 1, 2017			December 31, 2016
Assets
Current Assets
Cash and cash equivalents	$	7,114		$	7,432
Accounts receivable, net of allowance for doubtful accounts of $518 and $495 at April 1, 2017 and December 31, 2016, respectively	71,623			76,239
Inventories	127,201			119,896
Production cost of contracts	11,052			11,340
Other current assets	10,589			11,034
Total Current Assets	227,579			225,941
Property and equipment, net of accumulated depreciation of $138,799 and $135,484 at April 1, 2017 and December 31, 2016, respectively	104,868			101,590
Goodwill	82,554			82,554
Intangibles, net	99,364			101,573
Non-current deferred income taxes	286			286
Other assets	3,320			3,485
Total Assets	$	517,971		$	515,429
Liabilities and Shareholders’ Equity
Current Liabilities
Current portion of long-term debt	$	—		$	3
Accounts payable	63,313			57,024
Accrued liabilities	28,092			29,279
Total Current Liabilities	91,405			86,306
Long-term debt, less current portion	162,156			166,896
Non-current deferred income taxes	31,949			31,417
Other long-term liabilities	18,179			18,707
Total Liabilities	303,689			303,326
Commitments and contingencies (Notes 11, 13)
Shareholders’ Equity
Common stock - $0.01 par value; 35,000,000 shares authorized; 11,269,350 and 11,193,813 issued at April 1, 2017 and December 31, 2016, respectively	113			112
Additional paid-in capital	76,827			76,783
Retained earnings	143,402			141,287
Accumulated other comprehensive loss	(6,060		)	(6,079		)
Total Shareholders’ Equity	214,282			212,103
Total Liabilities and Shareholders’ Equity	$	517,971		$	515,429

See accompanying notes to Condensed Consolidated Financial Statements.

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Ducommun Incorporated and Subsidiaries

Condensed Consolidated Statements of Income

(Unaudited)

(In thousands, except per share amounts)

	Three Months Ended
	April 1, 2017			April 2, 2016
Net Revenues	$	136,297		$	142,148
Cost of Sales	111,370			115,179
Gross Profit	24,927			26,969
Selling, General and Administrative Expenses	20,827			22,676
Operating Income	4,100			4,293
Interest Expense	(1,593		)	(2,399		)
Gain on Divestitures	—			18,815
Income Before Taxes	2,507			20,709
Income Tax Expense	392			7,159
Net Income	$	2,115		$	13,550
Earnings Per Share
Basic earnings per share	$	0.19		$	1.22
Diluted earnings per share	$	0.18		$	1.21
Weighted-Average Number of Common Shares Outstanding
Basic	11,208			11,100
Diluted	11,495			11,240

See accompanying notes to Condensed Consolidated Financial Statements.

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Ducommun Incorporated and Subsidiaries

Condensed Consolidated Statements of Comprehensive Income

(Unaudited)

(In thousands)

	Three Months Ended
	April 1, 2017			April 2, 2016
Net Income	$	2,115		$	13,550
Other Comprehensive Income (Loss)
Amortization of actuarial losses and prior service costs, net of tax benefit of $63 and $68 for the three months ended April 1, 2017 and April 2, 2016, respectively	140			123
Change in unrealized gains and losses on cash flow hedges, net of tax of $72 and $239 for the three months ended April 1, 2017 and April 2, 2016, respectively	(121		)	(408		)
Other Comprehensive Income (Loss)	19			(285		)
Comprehensive Income	$	2,134		$	13,265

See accompanying notes to Condensed Consolidated Financial Statements.

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Ducommun Incorporated and Subsidiaries

Condensed Consolidated Statements of Cash Flows

(Unaudited)

(In thousands)

	Three Months Ended
	April 1, 2017			April 2, 2016
Cash Flows from Operating Activities
Net Income	$	2,115		$	13,550
Adjustments to Reconcile Net Income to
Net Cash Provided by Operating Activities:
Depreciation and amortization	5,782			5,855
Gain on divestitures	—			(18,815		)
Stock-based compensation expense	1,822			1,000
Deferred income taxes	532			(2,562		)
Provision for (recovery of) doubtful accounts	26			(65		)
Other	(1,860		)	(1,370		)
Changes in Assets and Liabilities:
Accounts receivable	4,590			1,972
Inventories	(7,305		)	(12,366		)
Production cost of contracts	45			429
Other assets	610			7,084
Accounts payable	6,465			7,303
Accrued and other liabilities	415			3,437
Net Cash Provided by Operating Activities	13,237			5,452
Cash Flows from Investing Activities
Purchases of property and equipment	(6,797		)	(3,801		)
Proceeds from sale of assets	3			—
Proceeds from divestitures	—			55,272
Net Cash (Used in) Provided by Investing Activities	(6,794		)	51,471
Cash Flows from Financing Activities
Borrowings from senior secured revolving credit facility	55,600			—
Repayments of senior secured revolving credit facility	(55,600		)	—
Repayments of senior unsecured notes and term loans	(5,000		)	(55,000		)
Repayments of other debt	(3		)	(7		)
Net (cash paid) proceeds from issuance of common stock under stock plans	(1,758		)	(931		)
Net Cash Used in Financing Activities	(6,761		)	(55,938		)
Net (Decrease) Increase in Cash and Cash Equivalents	(318		)	985
Cash and Cash Equivalents at Beginning of Period	7,432			5,454
Cash and Cash Equivalents at End of Period	$	7,114		$	6,439

See accompanying notes to Condensed Consolidated Financial Statements.

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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 subsidiaries are organized into two strategic businesses: Electronic Systems segment and Structural Systems segment, each of which is a reportable operating segment. Electronic Systems designs, engineers and manufactures high-reliability products used in worldwide technology-driven markets including aerospace, defense, industrial and medical and other end-use markets. Electronic Systems’ product offerings range from prototype development to complex assemblies. Structural Systems designs, engineers and manufactures large, complex contoured aerospace structural components and assemblies and supplies composite and metal bonded structures and assemblies. Structural Systems’ products are used on commercial aircraft, military fixed-wing aircraft and military and commercial rotary-wing aircraft. Both 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, 2016 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, 2016. We followed the same accounting policies for interim reporting. 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, 2016.

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 months ended April 1, 2017 are not necessarily indicative of the results to be expected for the full year ending December 31, 2017.

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.

Use of Estimates

Certain amounts and disclosures included in the unaudited condensed consolidated financial statements requires 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) Three Months Ended
	April 1, 2017		April 2, 2016
Interest paid	$	1,535	$	2,081
Taxes paid	$	—	$	—
Non-cash activities:
Purchases of property and equipment not paid	$	3,065	$	215

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

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

	(In thousands, except per share data) Three Months Ended
	April 1, 2017		April 2, 2016
Net income	$	2,115	$	13,550
Weighted-average number of common shares outstanding
Basic weighted-average common shares outstanding	11,208		11,100
Dilutive potential common shares	287		140
Diluted weighted-average common shares outstanding	11,495		11,240
Earnings per share
Basic	$	0.19	$	1.22
Diluted	$	0.18	$	1.21

Potentially dilutive stock options and stock units 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) Three Months Ended
	April 1, 2017	April 2, 2016
Stock options and stock units	58	593

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 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.

Divestitures

On January 22, 2016, we entered into an agreement, and completed the sale on the same date, to sell our operation located in Pittsburgh, Pennsylvania for a preliminary sales price of $38.5 million in cash. We divested this facility as part of our overall strategy to streamline operations, which included consolidating our footprint. However, the sale of the Pittsburgh operation did not represent a strategic shift in our business and thus, was included in the ongoing operating results in the condensed consolidated income statements for all periods presented. Preliminary net assets sold were $24.0 million, net liabilities sold were $4.0 million, and direct transaction costs incurred were $0.2 million, resulting in a preliminary gain on divestiture of $18.3 million. In the fourth quarter of 2016, we finalized the sale with a final sales price of $38.6 million in cash. The final net assets sold were $24.0 million, net liabilities sold were $4.0 million, and direct transaction costs incurred were $0.3 million, resulting in a gain on divestiture of $18.3 million.

In February 2016, we entered into an agreement to sell our Huntsville, Alabama and Iuka, Mississippi (collectively, “Miltec”) operations for a preliminary sales price of $14.6 million, in cash, subject to post-closing adjustments. We divested this facility as part of our overall strategy to streamline operations, which included consolidating our footprint. However, the sale of the Miltec operation did not represent a strategic shift in our business and thus, was included in the ongoing operating results in the condensed consolidated income statements for all periods presented. We completed the sale on March 25, 2016. Preliminary net assets sold were $15.4 million, net liabilities sold were $2.6 million, and direct transaction costs incurred during the current period were $1.3 million, resulting in a preliminary gain on divestiture of $0.5 million. In the fourth quarter of 2016, we finalized the sale with a final sales price of $13.3 million in cash. The final net assets sold were $15.4 million, net liabilities sold were $2.7 million, and direct transaction costs incurred were $1.3 million, resulting in a loss on divestiture of $0.7 million.

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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.

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 April 1, 2017, 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.

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, with units being relieved and charged to cost of sales on a first-in, first-out basis. Raw materials are based on cost and other inventory classifications are based on net realizable value. 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. Costs under long-term contracts are accumulated into, and removed from, inventory on the same basis as other contracts. 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. We maintain a reserve for potentially excess and obsolete inventories and inventories that are carried at costs that are higher than their estimated net realizable values.

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 goods sold using the units of delivery method. 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 improvements in manufacturing efficiency, reductions in 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 record additional provisions for estimated losses on contracts.

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Recent Accounting Pronouncements

New Accounting Guidance Adopted in 2017

In December 2016, the FASB issued ASU 2016-19, “Technical Corrections and Improvements” (“2016-19”), which cover a variety of Topics in the Codification. The amendments in ASU 2016-19 represent changes to make corrections or improvements to the Codification that are not expected to have a significant effect on current accounting practice or create a significant administrative cost to most entities. The new guidance was effective for us beginning January 1, 2017. The adoption of this standard did not have a significant impact on our condensed consolidated financial statements.

In March 2016, the FASB issued ASU 2016-09, “Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting” (“ASU 2016-09”), which is intended to improve the accounting for employee share-based payments. The new guidance was effective for us beginning January 1, 2017. The adoption of this standard did not have a significant impact on our condensed consolidated financial statements.

In March 2016, the FASB issued ASU 2016-05, “Derivatives and Hedging (Topic 815): Effect of Derivative Contract Novations on Existing Hedge Accounting Relationships” (“ASU 2016-05”), which clarifies that a change in the counter party to a derivative instrument designated as a hedging instrument does not require dedesignation of that hedging relationship, provided that all other hedge accounting criteria are met. The new guidance was effective for us beginning January 1, 2017. The adoption of this standard did not have a significant impact on our condensed consolidated financial statements.

In July 2015, the FASB issued ASU 2015-11, “Inventory (Topic 330)” (“ASU 2015-11”), which requires inventory within the scope of ASU 2015-11 to be measured at the lower of cost or net realizable value. Subsequent measurement is unchanged for inventory measured using last-in, first-out (“LIFO”) or the retail inventory value. The new guidance was effective for us beginning January 1, 2017. The adoption of this standard did not have a significant impact on our condensed consolidated financial statements.

Recently Issued Accounting Standards

In March 2017, the FASB issued ASU 2017-07, “Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Costs” (“ASU 2017-07”), which require an employer to report the service cost component in the same line item or items as other compensation costs arising from services rendered by the pertinent employees during the period. The other components of net benefit cost are required to be presented in the income statement separately from the service cost component and outside a subtotal of income from operations, if one is presented. If a separate line item or items are used to present the other components of net benefit cost, that line item or items must be appropriately described. If a separate line item or items are not used, the line item or items used in the income statement to present the other components of net benefit cost must be disclosed. The amendments also allow only the service cost component to be eligible for capitalization when applicable. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. We are evaluating the impact of this standard.

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. We are evaluating the impact of this standard.

In January 2017, the FASB issued ASU 2017-01, “Business Combinations (Topic 805): Clarifying the Definition of a Business” (“ASU 2017-01”), which clarify the definition of a business with the objective of adding guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions (or disposals) of businesses. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. We are evaluating the impact of this standard.

In December 2016, the FASB issued ASU 2016-20, “Technical Corrections and Improvements to Topic 606, Revenue from Contracts with Customers” (“ASU 2016-20”), which cover a variety of Topics in the Codification related to the new revenue recognition standard (ASU 2014-09). The amendments in ASU 2016-20 represent changes to make minor corrections or minor

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improvements to the Codification that are not expected to have a significant effect on current accounting practice or create a significant administrative cost to most entities. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. We are evaluating the impact of this standard.

In August 2016, the FASB issued ASU 2016-15, “Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments” (“ASU 2016-15”), which addresses the following eight specific cash flow issues: Debt prepayment or debt extinguishment costs; settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that are insignificant in relation to the effective interest rate of the borrowing; contingent consideration payments made after a business combination; proceeds from the settlement of insurance claims; proceeds from the settlement of corporate-owned life insurance policies (“COLIs”) (including bank-owned life insurance policies [“BOLIs”]); distributions received from equity method investees; beneficial interests in securitization transactions; and separately identifiable cash flows and application of the predominance principle. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. We are evaluating the impact of this standard.

In May 2016, the FASB issued ASU 2016-12, “Revenue from Contracts with Customers (Topic 606): Narrow-Scope Improvements and Practical Expedients” (“ASU 2016-12”), which amends the guidance in the new revenue standard on collectability, noncash consideration, presentation of sales tax, and transition. The amendments are intended to address implementation issues and provide additional practical expedients to reduce the cost and complexity of applying the new revenue standard. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. Early adoption is permitted only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods with that reporting period. We are evaluating the impact of this standard.

In May 2016, the FASB issued ASU 2016-11, “Revenue Recognition (Topic 605) and Derivatives and Hedging (Topic 815): Rescission of SEC Guidance Because of Accounting Standards Updates 2014-09 and 2014-06 Pursuant to Staff Announcements at the March 3, 2016 EITF Meeting” (“ASU 2016-11”), which clarifies revenue and expense recognition for freight costs, accounting for shipping and handling fees and costs, and accounting for consideration given by a vendor to a customer. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. Early adoption is permitted only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods with that reporting period. We are evaluating the impact of this standard.

In April 2016, the FASB issued ASU 2016-10, “Revenue from Contracts with Customers (Topic 606): Identifying Performance Obligations and Licensing” (“ASU 2016-10”), which clarifies the following two aspects of Topic 606: (a) identifying performance obligations; and (b) the licensing implementation guidance. The amendments do not change the core principle of the guidance in Topic 606. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. Early adoption is permitted only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods with that reporting period. We are evaluating the impact of this standard.

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. The new guidance is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2019. We are evaluating the impact of this standard and currently anticipate it will impact our condensed consolidated financial statements.

In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606)” (“ASU 2014-09”), which outlines a new, single comprehensive model for entities to use in accounting for revenue arising from contracts with customers and supersedes most current revenue recognition guidance, including industry-specific guidance. This new revenue recognition model provides a five-step analysis in determining when and how revenue is recognized. It requires entities to exercise judgment when considering the terms of the contract(s) which include (i) identifying the contract(s) with the customer, (ii) identifying the separate performance obligations in the contract, (iii) determining the transaction price, (iv) allocating the transaction price to the separate performance obligations, and (v) recognizing revenue when each performance obligation is satisfied. Thus, it depicts the transfer of promised goods or services to customers in an amount that reflects the consideration an entity expects to receive in exchange for those goods or services. Companies have the option of applying the provisions of ASU 2014-09 either retrospectively to each prior reporting period presented or retrospectively with the cumulative effect of initially applying this guidance recognized at the date of initial application. In August 2015, the FASB issued ASU 2015-14, “Revenue From Contracts With Customers (Topic 606)” (“ASU 2015-14”), which deferred the effective date of ASU 2014-09 by one year to annual periods beginning after December 15, 2017, including interim reporting periods within that reporting period. Early

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adoption is permitted only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods within that reporting period. The new guidance is effective for us beginning January 1, 2018 and will provide us additional time to evaluate the method and impact that ASU 2014-09 will have on our condensed consolidated financial statements. We are currently in the assessment phase of the implementation project. This includes reviewing current accounting policies and practices to identify potential differences that would result from applying the requirements under the new accounting standard. We are currently completing the contract evaluations and validating the results of applying the new revenue guidance. As the percentage of completion, unit of delivery method of recognizing revenue is being eliminated for companies with significant work-in-process inventory time under ASU 2014-09, we currently anticipate the majority of our revenues will be recognized over time instead of at a point in time, which is our current method for recognizing revenue. As such, our revenues, cost of sales, and related items on our condensed consolidated financial statements will be impacted as well as our financial information technology systems. We expect to adopt the new accounting standard using the modified retrospective method, under which the cumulative effect of initially applying the new guidance is recognized as an adjustment to the opening balance of retained earnings in the first quarter of 2018.

Note 2. Restructuring Activities

Summary of 2015 Restructuring Plans

In September 2015, management approved and commenced implementation of several restructuring actions, including organizational re-alignment, consolidation and relocation of the New York facilities that was completed in December 2015, closure of the Houston facility that was completed in December 2015, and closure of the St. Louis facility that was completed in April 2016, all of which are part of our overall strategy to streamline operations. We have recorded cumulative expenses of $2.2 million for severance and benefits and loss on early exit from leases. We do not expect to record additional expenses related to these restructuring plans.

As of April 1, 2017, we have accrued $0.5 million for loss on early exit from a lease in the Structural Systems segment, which was charged to selling, general and administrative expenses.

Summary of 2016 Restructuring Plan

In May 2016, management approved and commenced implementation of the closure of one of our Tulsa facilities that was completed in June 2016, and was part of our overall strategy to streamline operations. We have recorded cumulative expenses of $0.2 million for severance and benefits and loss on early exit from a lease. We do not expect to record additional expenses related to this restructuring plan.

As of April 1, 2017, we have accrued $0.1 million for loss on early exit from a lease in the Electronic Systems segment, which was charged to selling, general and administrative expenses.

Our restructuring activities in the three months ended April 1, 2017 were as follows (in thousands):

	December 31, 2016		Three Months Ended April 1, 2017							April 1, 2017
	Balance		Charges		Cash Payments			Change in Estimates		Balance
Severance and benefits	$	—	$	—	$	—		$	—	$	—
Lease termination	654		—		(78		)	—		576
Ending balance	$	654	$	—	$	(78	)	$	—	$	576

Note 3. Fair Value Measurements

Fair value is defined as the price that would be received for an asset or the price that would be paid to transfer a liability (an exit price) in the principal or most advantageous market in an orderly transaction between market participants on the measurement date. The accounting standard provides a framework for measuring fair value using a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. This hierarchy requires us to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. Three levels of inputs that may be used to measure fair value are as follows:

Level 1 - Quoted prices (unadjusted) in active markets for identical assets or liabilities;

Level 2 - Observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and

Level 3 - Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

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Our financial instruments consist primarily of cash and cash equivalents and interest rate cap derivatives designated as cash flow hedging instruments. Assets and liabilities measured at fair value on a recurring basis were as follows (in thousands):

	As of April 1, 2017								As of December 31, 2016
	Fair Value Measurements Using								Fair Value Measurements Using
	Level 1		Level 2		Level 3		Total Balance		Level 1		Level 2		Level 3		Total Balance
Assets
Money market funds(1)	$	3,892	$	—	$	—	$	3,892	$	3,751	$	—	$	—	$	3,751
Interest rate cap hedges(2)	—		360		—		360		—		553		—		553
Total Assets	$	3,892	$	360	$	—	$	4,252	$	3,751	$	553	$	—	$	4,304

(1) Included as cash and cash equivalents.

(2) Interest rate cap hedge premium included as other current assets and other assets.

The fair value of the interest rate cap hedge agreements was determined using pricing models that use observable market inputs as of the balance sheet date, a Level 2 measurement.

There were no transfers between Level 1, Level 2, or Level 3 financial instruments in the three months ended April 1, 2017.

Note 4. Financial Instruments

Derivative Instruments and Hedging Activities

We periodically enter into cash flow derivative transactions, such as interest rate cap agreements, to hedge exposure to various risks related to interest rates. We assess the effectiveness of the interest rate cap hedges at inception of the hedge. We recognize all derivatives at their fair value. For cash flow designated hedges, the effective portion of the changes in fair value of the derivative contract are recorded in accumulated other comprehensive income (loss), net of taxes, and are recognized in net earnings at the time earnings are affected by the hedged transaction. Adjustments to record changes in fair values of the derivative contracts that are attributable to the ineffective portion of the hedges, if any, are recognized in earnings. We present derivative instruments in our condensed consolidated statements of cash flows’ operating, investing, or financing activities consistent with the cash flows of the hedged item.

Our interest rate cap hedges were designated as cash flow hedges and deemed highly effective at the inception of the hedges. These interest rate cap hedges mature concurrently with the term loan in June 2020. During the three months ended April 1, 2017, the interest rate cap hedges continued to be highly effective and $0.1 million, net of tax, was recognized in other comprehensive income. No amount was recorded in the condensed consolidated statements of operations during the three months ended April 1, 2017. See Note 8.

The recorded fair value of the derivative financial instruments on the condensed consolidated balance sheets were as follows:

	(In thousands) April 1, 2017				(In thousands) December 31, 2016
	Other Current Assets		Other Long Term Assets		Other Current Assets		Other Long Term Assets
Derivatives Designated as Hedging Instruments
Cash Flow Hedges:
Interest rate cap premiums	$	—	$	360	$	—	$	553
Total Derivatives	$	—	$	360	$	—	$	553

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Note 5. Inventories

Inventories consisted of the following:

	(In thousands)
	April 1, 2017		December 31, 2016
Raw materials and supplies	$	69,153	$	64,650
Work in process	59,268		56,806
Finished goods	10,147		9,180
	138,568		130,636
Less progress payments	11,367		10,740
Total	$	127,201	$	119,896

We net progress payments from customers related to inventory purchases against inventories on the condensed consolidated balance sheets.

Note 6. Goodwill

Gross goodwill and accumulated goodwill impairment were $164.3 million and $81.7 million, respectively, both as of April 1, 2017 and December 31, 2016. The goodwill is included in our Electronic Systems segment.

We perform our annual goodwill impairment test during the fourth quarter. If certain factors occur, we may have to perform an impairment test prior to the fourth quarter 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.

At times, our market capitalization has declined below book value, which if it continues for an extended period of time, is a factor that could lead to a conclusion that a triggering event has occurred. As our market capitalization declines recently have been temporary in nature and our market capitalization has exceeded our book value, we do not consider these temporary declines in market capitalization to be a triggering event in the fiscal quarter ended April 1, 2017. However, it is considered at least reasonably possible that our determination that goodwill for our Electronic Systems segment was not impaired could change in the near term if any the factors noted above occurs.

Note 7. Accrued Liabilities

The components of accrued liabilities were as follows:

	(In thousands)
	April 1, 2017		December 31, 2016
Accrued compensation	$	17,703	$	15,455
Accrued income tax and sales tax	73		332
Customer deposits	2,854		3,204
Interest payable	10		273
Provision for forward loss reserves	2,650		4,780
Other	4,802		5,235
Total	$	28,092	$	29,279

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Note 8. Long-Term Debt

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

	(In thousands)
	April 1, 2017			December 31, 2016
Term loan	$	165,000		$	170,000
Revolving credit facility	—			—
Other debt (fixed 5.41%)	—			3
Total debt	165,000			170,003
Less current portion	—			3
Total long-term debt	165,000			170,000
Less debt issuance costs	2,844			3,104
Total long-term debt, net of debt issuance costs	$	162,156		$	166,896
Weighted-average interest rate	3.14		%	3.25		%

In June 2015, we completed a credit facility to replace the Existing Credit Facilities. The credit facility consisted of a $275.0 million senior secured term loan, which matures on June 26, 2020 (“Term Loan”), and a $200.0 million senior secured revolving credit facility (“Revolving Credit Facility”), which matures on June 26, 2020 (collectively, the “Credit Facilities”). The Credit Facilities bear interest, at our option, at a rate equal to either (i) the Eurodollar Rate (defined as LIBOR) plus an applicable margin ranging from 1.50% 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 0.50% to 1.75% per year, in each case based upon the consolidated total net adjusted leverage ratio. The undrawn portions of the commitments of the Credit Facilities are subject to a commitment fee ranging from 0.175% to 0.300%, based upon the consolidated total net adjusted leverage ratio.

Further, we are required to make mandatory prepayments of amounts outstanding under the Term Loan. The mandatory prepayments will be made quarterly, equal to 5.0% per year of the original aggregate principal amount during the first two years and increase to 7.5% per year during the third year, and increase to 10.0% per year during the fourth year and fifth years, with the remaining balance payable on June 26, 2020. The loans under the Revolving Credit Facility are due on June 26, 2020. As of April 1, 2017, we were in compliance with all covenants required under the Credit Facilities.

We have been making voluntary principal prepayments on a quarterly basis on our senior secured term loan and in conjunction with the closing of the Credit Facilities in second quarter 2015, we drew down $65.0 million on the Revolving Credit Facility and used those proceeds along with current cash on hand to extinguish the existing senior secured term loan of $80.0 million. We expensed the unamortized debt issuance costs related to the existing senior secured term loan of $2.8 million as part of extinguishing the existing senior secured term loan in second quarter 2015. We also incurred $4.8 million of debt issuance costs related to the Credit Facilities and those costs were capitalized and are being amortized over the five year life of the Credit Facilities.

In addition, we retired all of the $200.0 million senior unsecured notes (“Existing Notes”) in July 2015. We drew down on the Term Loan in the amount of $275.0 million. Along with the call notice amount and paying the call premium of $9.8 million, we also paid down the $65.0 million outstanding on the Revolving Credit Facility. We expensed the call premium of $9.8 million and debt issuance costs related to the Existing Notes of $2.1 million upon extinguishing the Existing Notes in July 2015.

Further, we made net voluntary principal prepayments of $5.0 million under the Credit Facilities during the three months ended April 1, 2017.

As of April 1, 2017, we had $199.0 million of unused borrowing capacity under the Revolving Credit Facility, after deducting $1.0 million for standby letters of credit.

The Credit Facilities were entered into by us (“Parent Company”) and guaranteed by all of our subsidiaries, other than one subsidiary (“Subsidiary Guarantors”) that was considered minor. The Parent Company has no independent assets or operations and the Subsidiary Guarantors jointly and severally guarantee, on a senior unsecured basis, the Credit Facilities. Therefore, no condensed consolidating financial information for the Parent Company and its subsidiaries are presented.

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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. See Note 4 for further discussion.

In December 2016, we entered into an agreement to purchase $9.9 million of industrial revenue bonds (“IRBs”) issued by the city of Parsons, Kansas (“Parsons”) and concurrently, sold $9.9 million of property and equipment (“Property”) to Parsons as well as entered into a lease agreement to lease the Property from Parsons (“Lease”) with lease payments totaling $9.9 million over the lease term. The sale of the Property and concurrent lease back of the Property did not meet the sale-leaseback accounting requirements as a result of our continuous involvement with the Property and thus, the $9.9 million in cash received from Parsons was not recorded as a sale but as a financing obligation. Further, the Lease included a right of offset and thus, the financing obligation of $9.9 million was offset against the $9.9 million of IRBs assets and presented net on the condensed consolidated balance sheets with no impact to the condensed consolidated income statements or condensed consolidated cash flow statements.

Note 9. Shareholders’ Equity

We are authorized to issue five million shares of preferred stock. At April 1, 2017 and December 31, 2016, no preferred shares were issued or outstanding.

Note 10. Employee Benefit Plans

The components of net periodic pension expense were as follows:

	(In thousands)
	Three Months Ended
	April 1, 2017			April 2, 2016
Service cost	$	133		$	133
Interest cost	332			342
Expected return on plan assets	(383		)	(370		)
Amortization of actuarial losses	203			191
Net periodic pension cost	$	285		$	296

The components of the reclassifications of net actuarial losses from accumulated other comprehensive loss to net income for the three months ended April 1, 2017 were as follows:

	(In thousands)
	Three Months Ended
	April 1, 2017
Amortization of actuarial losses - total before tax (1)	$	(203	)
Tax benefit	63
Net of tax	$	(140	)

(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 11. 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 the facility or the 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 indefinite but 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

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related to these guarantees and indemnities have been immaterial. We estimate the fair value of our indemnification obligations as insignificant based on this history and insurance coverage and have, therefore, not recorded any liability for these guarantees and indemnities on the accompanying condensed consolidated balance sheets.

Note 12. 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 and deductions available for domestic production activities. 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. 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 $0.4 million (effective tax rate of 15.6%) for the three months ended April 1, 2017 compared to $7.2 million (effective tax rate of 34.6%) for the three months ended April 2, 2016. The decrease in the effective tax rate for the three months ended April 1, 2017 compared to the three months ended April 2, 2016 was primarily due to the preliminary gain on divestitures of our Pittsburgh and Miltec operations of $18.8 million, which resulted in a higher state tax liability, compared to the current year three month period. FASB ASU 2016-09 became effective for us beginning January 1, 2017 and requires all the tax effects related to share-based payments be recorded through the income statement. During the current year three month period, we recognized tax benefits (“windfalls”) from deductions of share-based payments in excess of compensation cost recognized for financial reporting purposes that decreased the income tax expense and effective tax rate.

Our total amount of unrecognized tax benefits were $3.4 million and $3.0 million as of April 1, 2017 and December 31, 2016, respectively. If recognized, $2.1 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.

In 2016, the Internal Revenue Service (“IRS”) commenced an audit of our 2014 and 2015 tax years. Although the outcome of tax examinations cannot be predicted with certainty, we believe we have adequately accrued for tax deficiencies or reductions in tax benefits, if any, that could result from the examination and all open audit years.

Note 13. 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 April 1, 2017 and December 31, 2016, 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 April 1, 2017, 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. 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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Note 14. Business Segment Information

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

Financial information by reportable operating segment was as follows:

	(In thousands) Three Months Ended
	April 1, 2017			April 2, 2016
Net Revenues
Structural Systems	$	57,575		$	64,017
Electronic Systems	78,722			78,131
Total Net Revenues	$	136,297		$	142,148
Segment Operating Income
Structural Systems	$	2,632		$	2,724
Electronic Systems	7,104			6,387
	9,736			9,111
Corporate General and Administrative Expenses (1)	(5,636		)	(4,818		)
Operating Income	$	4,100		$	4,293
Depreciation and Amortization Expenses
Structural Systems	$	2,352		$	2,057
Electronic Systems	3,423			3,761
Corporate Administration	7			37
Total Depreciation and Amortization Expenses	$	5,782		$	5,855
Capital Expenditures
Structural Systems	$	5,188		$	2,054
Electronic Systems	1,433			347
Total Capital Expenditures	$	6,621		$	2,401

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

Segment assets include assets directly identifiable with each segment. Our segment assets are as follows:

	(In thousands)
	April 1, 2017		December 31, 2016
Total Assets
Structural Systems	$	185,073	$	175,580
Electronic Systems	319,924		325,780
Corporate Administration (1)	12,974		14,069
Total Assets	$	517,971	$	515,429
Goodwill and Intangibles
Structural Systems	$	3,517	$	3,745
Electronic Systems	178,401		180,382
Total Goodwill and Intangibles	$	181,918	$	184,127

(1) Includes assets not specifically identified to either the Structural Systems or Electronic 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.

First quarter 2017 highlights:

• Revenues were $136.3 million

• Net income was $2.1 million, or $0.18 per diluted share

• Adjusted EBITDA was $11.7 million

• Cash flow from operations was $13.2 million

• Net voluntary principal prepayments on credit facilities totaled $5.0 million

Non-GAAP Financial Measures

Adjusted earnings before interest, taxes, depreciation and amortization (“Adjusted EBITDA”) was $11.7 million and $11.1 million for the three months ended April 1, 2017 and April 2, 2016, 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 substitutes 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

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• 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; and

• Gain on divestitures may be useful to our investors in evaluating our on-going operating performance.

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

	(In thousands) Three Months Ended
	April 1, 2017			April 2, 2016
Net income	$	2,115		$	13,550
Interest expense	1,593			2,399
Income tax expense	392			7,159
Depreciation	3,330			3,401
Amortization	2,452			2,454
Stock-based compensation expense	1,822			1,000
Gain on divestitures	—			(18,815		)
Adjusted EBITDA	$	11,704		$	11,148
% of net revenues	8.6		%	7.8		%

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Results of Operations

First Quarter of 2017 Compared to First Quarter of 2016

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

	(in thousands, except per share data) Three Months Ended
	April 1, 2017			% of Net  Revenues		April 2, 2016			% of Net  Revenues
Net Revenues	$	136,297		100.0	%	$	142,148		100.0	%
Cost of Sales	111,370			81.7	%	115,179			81.0	%
Gross Profit	24,927			18.3	%	26,969			19.0	%
Selling, General and Administrative Expenses	20,827			15.3	%	22,676			16.0	%
Operating Income	4,100			3.0	%	4,293			3.0	%
Interest Expense	(1,593		)	(1.2	)%	(2,399		)	(1.7	)%
Gain on Divestitures	—			—	%	18,815			13.3	%
Income Before Taxes	2,507			1.8	%	20,709			14.6	%
Income Tax Expense	392			nm		7,159			nm
Net Income	$	2,115		1.6	%	$	13,550		9.5	%
Effective Tax Rate	15.6		%	nm		34.6		%	nm
Diluted Earnings Per Share	$	0.18		nm		$	1.21		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 first fiscal three months of 2017 and 2016, respectively, were as follows:

	Three Months Ended
				(In thousands)				% of Net Revenues
	Change			April 1 2017		April 2, 2016		April 1 2017		April 2, 2016
Consolidated Ducommun
Military and space
Defense electronics	$	5,160		$	48,507	$	43,347	35.6	%	30.5	%
Defense structures	737			14,521		13,784		10.6	%	9.7	%
Commercial aerospace	(5,951		)	59,814		65,765		43.9	%	46.3	%
Industrial	(5,797		)	13,455		19,252		9.9	%	13.5	%
Total	$	(5,851	)	$	136,297	$	142,148	100.0	%	100.0	%
Structural Systems
Military and space (defense structures)	$	737		$	14,521	$	13,784	25.2	%	21.5	%
Commercial aerospace	(7,179		)	43,054		50,233		74.8	%	78.5	%
Total	$	(6,442	)	$	57,575	$	64,017	100.0	%	100.0	%
Electronic Systems
Military and space (defense electronics)	$	5,160		$	48,507	$	43,347	61.6	%	55.5	%
Commercial aerospace	1,228			16,760		15,532		21.3	%	19.9	%
Industrial	(5,797		)	13,455		19,252		17.1	%	24.6	%
Total	$	591		$	78,722	$	78,131	100.0	%	100.0	%

Net revenues for the three months ended April 1, 2017 were $136.3 million, compared to $142.1 million for the three months ended April 2, 2016. The year-over-year decrease was primarily due to the following:

• $6.0 million lower revenues in our commercial aerospace end-use markets mainly due to the winding down of a regional jet program and the transition in a large aircraft program; and

• $5.8 million lower revenues in our industrial end-use markets mainly due to the closure of one of our Tulsa operations in June 2016 and the divestiture of our Pittsburgh operation in January 2016; partially offset by

• $5.9 million higher revenues in our military and space end-use markets mainly due to the resumption of scheduled deliveries by the U.S. Department of Defense, which favorably impacted our helicopter and fixed-wing platforms, partially offset by the divestiture of our Miltec operation in March 2016.

Net Revenues by Major Customers

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

	Three Months Ended
	April 1, 2017		April 2, 2016
Boeing Company	16.1	%	18.5	%
Lockheed Martin Corporation	6.3	%	4.6	%
Raytheon Company	13.0	%	7.2	%
Spirit Aerosystems Holdings, Inc.	7.5	%	8.0	%
United Technologies Corporation	6.3	%	4.6	%
Total top ten customers (1)	63.3	%	58.2	%

(1) Includes the Boeing Company, Lockheed Martin Corporation, Raytheon Company, Spirit Aerosystems Holdings, Inc., and United Technologies Corporation.

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The Boeing Company (“Boeing”), Lockheed Martin Corporation (“Lockheed Martin”), Raytheon Company (“Raytheon”), Spirit Aerosystems Holdings, Inc. (“Spirit”), and United Technologies Corporation (“United Technologies”) represented the following percentages of total accounts receivable:

	April 1, 2017		December 31, 2016
Boeing	9.5	%	7.8	%
Lockheed Martin	5.0	%	2.9	%
Raytheon	6.3	%	10.9	%
Spirit	11.3	%	9.0	%
United Technologies	6.8	%	7.8	%

The net revenues and accounts receivable from Boeing, Lockheed Martin, 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 decreased year-over-year in the three months ended April 1, 2017 to 18.3% compared to the three months ended April 2, 2016 of 19.0% primarily due to unfavorable product mix.

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

SG&A expenses decreased $1.8 million year-over-year in the three months ended April 1, 2017 compared to the three months ended April 2, 2016 primarily due to a decrease of $1.3 million related to the divestiture of our Pittsburgh operation and closure of certain facilities.

Interest Expense

Interest expense decreased year-over-year in the three months ended April 1, 2017 compared to the three months ended April 2, 2016 primarily due to a lower outstanding debt balance as a result of net voluntary principal prepayments on our credit facilities.

Gain on Divestitures

There was no gain on divestitures during the three months ended April 1, 2017. The gain on divestitures for the three months ended April 2, 2016 consisted of the divestitures during the first quarter of 2016 of our Pittsburgh operation with a preliminary pretax gain of $18.3 million and our Miltec operation with a preliminary pretax gain of $0.5 million. (see Note 1 to our condensed consolidated financial statements included in Part I, Item 1 of this Form 10-Q).

Income Tax Expense

We recorded income tax expense of $0.4 million (effective tax rate of 15.6%) for the three months ended April 1, 2017 compared to $7.2 million (effective tax rate of 34.6%) for the three months ended April 2, 2016. The decrease in the effective tax rate for the three months ended April 1, 2017 compared to the three months ended April 2, 2016 was primarily due to the preliminary gain on divestitures of our Pittsburgh and Miltec operations of $18.8 million, which resulted in a higher state tax liability, compared to the current three month period. FASB ASU 2016-09 “Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting” became effective for us beginning January 1, 2017 and requires all of the tax effects related to share-based payments to be recorded through the income statement. During the current three month period, we recognized tax benefits (“windfalls”) from deductions of share-based payments in excess of compensation cost recognized for financial reporting purposes that decreased the income tax expense and effective tax rate.

Our total amount of unrecognized tax benefits were $3.4 million and $3.0 million as of April 1, 2017 and December 31, 2016, respectively. If recognized, $2.1 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.

In 2016, the Internal Revenue Service (“IRS”) commenced an audit of our 2014 and 2015 tax years. Although the outcome of tax examinations cannot be predicted with certainty, we believe we have adequately accrued for tax deficiencies or reductions in tax benefits, if any, that could result from the examination and all open audit years.

23

Net Income and Earnings per Share

Net income and earnings per share for the three months ended April 1, 2017 were $2.1 million, or $0.18 per diluted share, compared to $13.6 million, or $1.21 per diluted share, for the three months ended April 2, 2016. The decrease in net income for the three months ended April 1, 2017 compared to the three months ended April 2, 2016 was primarily due to the following:

• The prior year included a preliminary pretax gain on divestitures of our Pittsburgh and Miltec operations of $18.8 million; partially offset by

• $6.8 million of lower income tax expense.

Business Segment Performance

We report our financial performance based upon the two reportable operating segments: Structural Systems and Electronic 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 months ended April 1, 2017 and April 2, 2016:

	Three Months Ended
	%		(In thousands)						% of Net Revenues
	Change		April 1, 2017			April 2, 2016			April 1, 2017		April 2, 2016
Net Revenues
Structural Systems	(10.1	)%	$	57,575		$	64,017		42.2	%	45.0	%
Electronic Systems	0.8	%	78,722			78,131			57.8	%	55.0	%
Total Net Revenues	(4.1	)%	$	136,297		$	142,148		100.0	%	100.0	%
Segment Operating Income
Structural Systems			$	2,632		$	2,724		4.6	%	4.3	%
Electronic Systems			7,104			6,387			9.0	%	8.2	%
			9,736			9,111
Corporate General and Administrative Expenses (1)			(5,636		)	(4,818		)	(4.1	)%	(3.4	)%
Total Operating Income			$	4,100		$	4,293		3.0	%	3.0	%
Adjusted EBITDA
Structural Systems
Operating Income			$	2,632		$	2,724
Depreciation and Amortization			2,352			2,057
			4,984			4,781			8.7	%	7.5	%
Electronic Systems
Operating Income			7,104			6,387
Depreciation and Amortization			3,423			3,761
			10,527			10,148			13.4	%	13.0	%
Corporate General and Administrative Expenses (1)
Operating Loss			(5,636		)	(4,818		)
Depreciation and Amortization			7			37
Stock-Based Compensation Expense			1,822			1,000
			(3,807		)	(3,781		)
Adjusted EBITDA			$	11,704		$	11,148		8.6	%	7.8	%
Capital Expenditures
Structural Systems			$	5,188		$	2,054
Electronic Systems			1,433			347
Corporate Administration			—			—
Total Capital Expenditures			$	6,621		$	2,401

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

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Structural Systems

Structural Systems’ net revenues in the three months ended April 1, 2017 compared to the three months ended April 2, 2016 decreased $6.4 million primarily due to the following:

• $7.2 million lower revenues in our commercial aerospace end-use markets mainly due to the winding down of a regional jet program as well as the platform transition in a large aircraft program; partially offset by

• $0.8 million higher revenues in our military and space end-use markets mainly due to the resumption of scheduled deliveries by the U.S. Department of Defense, which favorably impacted our helicopter platforms.

The Structural Systems segment operating income in the three months ended April 1, 2017 compared to the three months ended April 2, 2016 was essentially flat and comparable to the prior year three month period.

Electronic Systems

Electronic Systems’ net revenues in the three months ended April 1, 2017 compared to the three months ended April 2, 2016 increased $0.6 million primarily due to the following:

• $5.2 million higher revenues in our military and space end-use markets mainly due to the resumption of scheduled deliveries by the U.S. Department of Defense, which favorably impacted our helicopter and fixed-wing platforms, partially offset by the divestiture of our Miltec operation in March 2016; and

• $1.2 million higher revenues in our commercial aerospace end-use markets mainly due to additional content with our existing customers; partially offset by

• $5.8 million lower revenues in our industrial end-use markets mainly due to the closure of one of our Tulsa operations in June 2016 and the divestiture of our Pittsburgh operation in January 2016.

Electronic Systems’ segment operating income in the three months ended April 1, 2017 compared to the three months ended April 2, 2016 increased $0.7 million primarily due to lower selling, general and administrative expenses as a result of the divestiture of our Pittsburgh operation and closure of certain facilities.

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

CG&A expenses increased $0.8 million in the three months ending April 1, 2017 compared to the three months ended April 2, 2016 primarily due to higher compensation and benefit costs of $1.1 million partially offset by lower professional services fees.

Backlog

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 duration and is generally fulfilled within a 3-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. $464.7 million of total backlog is expected to be delivered over the next 12 months. The following table summarizes our backlog as of April 1, 2017 and December 31, 2016:

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	(In thousands)
	Change			April 1, 2017		December 31, 2016
Consolidated Ducommun
Military and space
Defense electronics	$	(14,152	)	$	183,424	$	197,576
Defense structures	1,462			60,340		58,878
Commercial aerospace	(6,646		)	310,025		316,671
Industrial	(68		)	27,062		27,130
Total	$	(19,404	)	$	580,851	$	600,255
Structural Systems
Military and space (defense structures)	$	1,462		$	60,340	$	58,878
Commercial aerospace	(10,656		)	267,865		278,521
Total	$	(9,194	)	$	328,205	$	337,399
Electronic Systems
Military and space (defense electronics)	$	(14,152	)	$	183,424	$	197,576
Commercial aerospace	4,010			42,160		38,150
Industrial	(68		)	27,062		27,130
Total	$	(10,210	)	$	252,646	$	262,856

Liquidity and Capital Resources

Available Liquidity

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

	(In millions)
	April 1,			December 31,
	2017			2016
Total debt, including long-term portion	$	165.0		$	170.0
Weighted-average interest rate on debt	3.14		%	3.25		%
Term Loan interest rate	3.18		%	3.31		%
Cash and cash equivalents	$	7.1		$	7.4
Unused Revolving Credit Facility	$	199.0		$	199.0

In June 2015, we completed a new credit facility to replace the Existing Credit Facilities. The new credit facility consists of a $275.0 million senior secured term loan, which matures on June 26, 2020 (“Term Loan”), and a $200.0 million senior secured revolving credit facility (“Revolving Credit Facility”), which matures on June 26, 2020 (collectively, the “Credit Facilities”). We are required to make mandatory prepayments of amounts outstanding under the Term Loan. In addition, we retired all of the $200.0 million senior unsecured notes (“Existing Notes”) in July 2015. We drew down on the Term Loan in the amount of $275.0 million. Along with the call notice amount and paying the call premium of $9.8 million, we also paid down the $65.0 million drawn on the Revolving Credit Facility in the previous quarter. As of April 1, 2017, we were in compliance with all covenants required under the New 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.

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.

We expect to spend a total of $22.0 million to $26.0 million for capital expenditures in 2017 financed by cash generated from operations, principally to support the expansion of our Parsons, Kansas facility and new contract awards at Structural Systems and Electronic Systems. As part of our strategic plan to become a Tier 2 supplier 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.

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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 Credit Facility to provide short-term liquidity. Cash generated from operations and bank borrowing capacity is 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 three months ended April 1, 2017 increased to $13.2 million, compared to $5.5 million in the three months ended April 2, 2016. The higher net cash generated during the first three months of 2017 was primarily due to lower accounts receivable and higher deferred income taxes.

Net cash used in investing activities of $6.8 million for the three months ended April 1, 2017 compared to net cash provided by of $51.5 million in the three months ended April 2, 2016 primarily due to the prior year three month period included proceeds from the divestiture of our Pittsburgh and Miltec operations of approximately $55.3 million.

Net cash used in financing activities for the three months ended April 1, 2017 of $6.8 million was primarily due to net voluntary principal prepayments on our credit facilities of $5.0 million.

Off-Balance Sheet Arrangements

Our off-balance sheet arrangements consist of operating leases 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 2016 Annual Report on Form 10-K. There have been no material changes in any of our critical accounting policies during the three months ended April 1, 2017.

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. and U.K. interest rates on our outstanding long-term debt. At April 1, 2017, we had total borrowings of $165.0 million under our Term Loan and Revolving Credit Facility that bear interest, at our option, at a rate equal to either (i) the Eurodollar Rate (defined as LIBOR) plus an applicable margin ranging from 1.50% 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 0.50% 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)) as of April 1, 2017. The Company had previously reported a material weakness in internal control over financial reporting related to not maintaining effective controls related to the quarterly and annual accounting and disclosures for income taxes. This material weakness was described in Item 9A in the Management’s Report on Internal Control Over Financial Reporting in the Company’s Annual Report on Form 10-K for the year ended December 31, 2016. As a result of the material weakness in the Company’s internal control over financial reporting, which was not remediated as of April 1, 2017, the CEO and CFO concluded the Company’s disclosure controls and procedures were not effective as of April 1, 2017.

27

Management’s Remediation Activities

We are committed to remediating the control deficiencies that constitute the material weakness described above. Our Chief Financial Officer is responsible for remediating the control deficiency that gave rise to the material weakness.

Actions to be taken or in process consist of ensuring we maintain a sustained period of operating effectiveness of our internal control over financial reporting related to the quarterly and annual accounting and disclosures for income taxes.

While significant progress has been made to enhance our internal control over financial reporting relating to the material weakness, additional time will be required to assess and ensure the sustainability of these processes and procedures. We expect the remedial actions described above will have had sufficient time to function during 2017 to allow management to conclude that the material weakness has been satisfactorily remediated and that the existing controls are operating effectively. However, we cannot make any assurances that such actions will be completed during 2017. Until the controls described above have had sufficient time for management to conclude that they are operating effectively, the material weakness described above will continue to exist.

Changes in Internal Control over Financial Reporting

There were no changes in our internal controls over financial reporting during the three months ended April 1, 2017 that 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 13 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, 2016 for a discussion of our risk factors. There have been no material changes in the three months ended April 1, 2017 to the risk factors disclosed in our Annual Report on Form 10-K for the year ended December 31, 2016.

Item 4. Mine Safety Disclosures

Not applicable.

28

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 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.

2.3 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.

10.1 Credit Agreement, dated as of June 29, 2015, 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 dated June 29, 2015.

*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 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.

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

*10.6 Form of Performance Stock Unit Agreement for 2014 and 2015. Incorporated by reference to Exhibit 10.19 to Form 8-K dated April 28, 2014.

*10.7 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.

*10.8 Form of Restricted Stock Unit Agreement for 2016 and earlier. Incorporated by reference to Exhibit 99.1 to Form 8-K dated May 10, 2010.

*10.9 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.

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

*10.11 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.

29

*10.12 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
Kathryn M. Andrus	January 30, 2008
Richard A. Baldridge	March 19, 2013
Joseph C. Berenato	November 4, 1991
Gregory S. Churchill	March 19, 2013
Robert C. Ducommun	December 31, 1985
Dean M. Flatt	November 5, 2009
Douglas L. Groves	February 12, 2013
Jay L. Haberland	February 2, 2009
James S. Heiser	May 6, 1987
Stephen G. Oswald	January 23, 2017
Amy M. Paul	January 23, 2017
Robert D. Paulson	March 25, 2003
Anthony J. Reardon	January 8, 2008
Jerry L. Redondo	October 1, 2015
Rosalie F. Rogers	July 24, 2008
Christopher D. Wampler	January 1, 2016

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

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

*10.15 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.

*10.16 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.

*10.17 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
Kathryn M. Andrus	January 23, 2017
Douglas L. Groves	January 23, 2017
James S. Heiser	January 23, 2017
Amy M. Paul	January 23, 2017
Anthony J. Reardon	January 23, 2017
Jerry L. Redondo	January 23, 2017
Rosalie F. Rogers	January 23, 2017
Christopher D. Wampler	January 23, 2017

*10.18 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.

*10.19 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.

*10.20 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 dated January 16, 2017.

*10.21 Form of Performance Stock Unit Agreement for 2017.

30

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.

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.

31

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: May 4, 2017	By:	/s/ Stephen G. Oswald
		Stephen G. Oswald
		President and Chief Executive Officer
		(Principal Executive Officer)
Date: May 4, 2017	By:	/s/ Douglas L. Groves
		Douglas L. Groves
		Vice President, Chief Financial Officer and Treasurer
		(Principal Financial Officer)
Date: May 4, 2017	By:	/s/ Christopher D. Wampler
		Christopher D. Wampler
		Vice President, Controller and Chief Accounting Officer
		(Principal Accounting Officer)

32

EX-10.21

DUCOMMUN INCORPORATED

PERFORMANCE STOCK UNIT AGREEMENT

This performance stock unit agreement is made as of January 1, 2017 (the “Effective Date”), between Ducommun Incorporated, a Delaware corporation (the “Corporation”), and _________ (“Award Holder”).

R E C I T A L S

This performance stock unit agreement is pursuant to the 2013 Stock Incentive Plan (the “Plan”).

A G R E E M E N T S

1.Grant. The Corporation hereby grants to the Award Holder an award (the “Award”) with a target (if the Corporation achieves the target level performance goals described in Exhibit A) of _____ performance stock units (the “Target Units”), and a maximum of up to two hundred fifty percent (250%) of the Target Units (if Corporation achieves the maximum level performance goals described in Exhibit A), in each case subject to certain adjustments as described herein. Each performance stock unit represents the right to receive one share of Common Stock, subject to the conditions set forth in this performance stock unit agreement and the Plan.

2.Definitions. Unless the context clearly indicates otherwise, and subject to the terms and conditions of the Plan as the same may be amended from time to time, the following terms, when used in this performance stock unit agreement, shall have the meanings set forth in this Section 2.

“Common Stock” shall mean the Common Stock, $.01 par value, of the Corporation or such other class of shares or other securities as may be applicable pursuant to the provisions of Section 6 of this performance stock unit agreement.

“Subsidiary” shall mean a corporation or other form of business entity more than 50% of the voting shares of which is owned or controlled, directly or indirectly, by the Corporation and which is designated by the Committee for participation in the Plan by the key employees thereof.

“Committee” shall mean the Compensation Committee of the Board of Directors of the Corporation, or if there is no such committee acting, the Board of Directors of the Corporation.

1

3.    Vesting. The Award shall vest at the end of the 3-year performance period, beginning as ofJanuary 1, 2017 and ending on December 31, 2019(the “Performance Period”). The vesting of the Award shall be subject to the Corporation achieving during the Performance Period the Diluted Earnings Per Share and Relative Total Shareholder Return, as provided in Exhibit A attached hereto. Following the end of each fiscal year of the Performance Period and the collection of relevant data necessary to determine the extent to which the performance goals set forth in Exhibit A have been satisfied, the Committee will determine: (a) the amount of Diluted Earnings Per Share that was achieved by the Corporation for each fiscal year of the Performance Period, and (b) the percentage and number of the Target Units for each fiscal year (for each such fiscal year, the “Earned Units”) that will become Vested Units (as defined in Exhibit A) as of the last day of the Performance Period or earlier as provided in Section 5(b). Following the end of the Performance Period and collection of relevant data necessary to determine the extent to which the performance goals set forth in Exhibit A have been satisfied, the Committee will determine: (a) the Relative Total Shareholder Return that was achieved by the Corporation over the Performance Period, and (b) the multiplier that will be applied to the Earned Units to calculate the total number of Vested Units as of the last day of the Performance Period, as provided in Exhibit A attached hereto. The Committee shall make these determinations in its sole discretion. The level of achievement of Diluted Earnings Per Share and Relative Total Shareholder Return shall be evidenced by the Committee’s written certification, in accordance with Internal Revenue Code Section 162(m). For the avoidance of doubt, any performance stock units subject to this Award that do not vest in accordance with the forgoing shall expire without consideration at the end of the Performance Period.

4.    Settlement of Vested Units. Upon the vesting of all or a portion of the Award, one share of Common Stock shall be issuable for each Vested Unit (as defined in Exhibit A) (the “PSU Shares”). Thereafter, the Corporation will transfer such PSU Shares to the Award Holder upon the Committee’s written certification as set forth in Section 3 and the satisfaction of any required tax withholding obligations, securities law registration or other requirements, and applicable stock exchange listing. No fractional shares shall be issued with respect to the Award. The Award Holder shall not acquire or have any rights as a shareholder of the Corporation by virtue of this performance stock unit agreement (or the Award evidenced hereby) until the certificates representing shares of Common Stock issuable pursuant to this Award are actually issued and delivered to the Award Holder in accordance with the terms of the Plan and this performance stock unit agreement.

5.    Termination.

(a)    If the Award Holder’s employment with the Corporation or a Subsidiary terminates before the end of the Performance Period for any reason, except as provided in this Section 5, then the Award will be forfeited and cancelled and surrendered to the Corporation without payment of any consideration, effective on the date of the Award Holder’s termination of employment. Upon the termination of the Award Holder’s employment with the Corporation or a Subsidiary as a result of (i) death or “permanent disability” (as defined herein) or (ii) “retirement” (as defined herein), the number of Vested Units and the vesting of such Vested Units shall be determined in accordance with Section 5(b) below. As used herein, the term “retirement” shall mean that, on the date on which the Award Holder terminates employment with the Corporation or a Subsidiary,

2

either (x) the Award Holder is sixty-five (65) or more years of age, or (y) the combination of the Award Holder’s age plus years of service equals not less than seventy (70). As used herein, the term “permanent disability” shall mean the date on which the Award Holder has not worked or been able to work due to physical or mental incapacity for a period of one hundred eighty (180) consecutive days.

(b)    Upon the termination of the Award Holder’s employment with the Corporation or a Subsidiary as a result of death, permanent disability or retirement as provided in Section 5(a), (i) for each full fiscal year that the Award Holder was employed by the Corporation or a Subsidiary, the Earned Units (as defined in Section 3) shall vest immediately, and (ii) for the last fiscal year (if less than a full fiscal year) that the Award Holder was employed by the Corporation or a Subsidiary, the Target Units covered by the Award shall be reduced to a number of performance stock units equal to the Target Units set forth in Section 1 multiplied by a fraction, (x) the numerator of which equals the number of full calendar quarters that have elapsed between January 1 of such fiscal year and the date of termination of employment, and (y) the denominator of which equals four (4), and such performance stock units (as reduced) shall then vest at such time as they become Earned Units (as defined in Section 3) provided that the Award Holder has not rendered services, directly or indirectly, to any third party engaged in competition with the Corporation or its Subsidiaries. For the avoidance of doubt, the Total Vested Units Modifier (as defined in Exhibit A) shall not be applied in determining the Vested Units for any Award covered by this Section 5(b).

6.     Adjustments

(a)    If the outstanding shares of Common Stock of the Corporation are increased, decreased, changed into or exchanged for a different number or kind of shares or securities of the Corporation through recapitalization (other than the conversion of convertible securities according to their terms), reclassification, stock dividend, stock split or reverse stock split, an appropriate and proportionate adjustment shall be made, or if the Corporation shall spin-off, spin-out or otherwise distribute assets with respect to the outstanding shares of Common Stock of the Corporation, an appropriate and proportionate adjustment shall be made, in the number of performance stock units subject to this Award.

(b)     In the event of the dissolution or liquidation of the Corporation, or upon any merger, consolidation or reorganization of the Corporation with any other corporations or entities as a result of which the Corporation is not the surviving corporation, or upon the sale of all or substantially all of the assets of the Corporation or the acquisition of more than 80% of the stock of the Corporation by another corporation or entity, there shall be substituted for each of the shares of Common Stock then subject to this Award the number and kind of shares of stock, securities or other assets which would have been issuable or payable in respect of or in exchange for such Common Stock then subject to the Award, as if the Award Holder had been the owner of such shares as of the transaction date. Any securities so substituted shall be subject to similar successive adjustments.

7. No Right to Continued Employment. Nothing in the Plan, in this performance stock unit agreement or in any other instrument executed pursuant thereto shall confer upon the Award

3

Holder any right to continue in the employ of the Corporation or any Subsidiary of the Corporation or shall interfere in any way with the right of the Corporation or any such Subsidiary to at any time terminate the employment of the Award Holder with or without cause.

8.    Legal Requirements. No shares issuable under this Award shall be issued or delivered unless and until, in the opinion of counsel for the Corporation, all applicable requirements of federal and state law and of the Securities and Exchange Commission pertaining to the issuance and sale of such shares and any applicable listing requirements of any national securities exchange on which shares of the same class are then listed, shall have been fully complied with. In connection with any such issuance or transfer, the person acquiring the shares shall, if requested by the Corporation, give assurances satisfactory to counsel to the Corporation in respect of such matters as the Corporation or any Subsidiary of the Corporation may deem desirable to assure compliance with all applicable legal requirements.

9.    No Rights as a Shareholder. Neither the Award Holder nor any beneficiary or other person claiming under or through the Award Holder shall have any right, title or interest in or to any shares of Common Stock allocated or reserved for the purpose of the Plan or subject to this Agreement except as to such shares of Common Stock, if any, as shall have been issued or transferred to such person.

10.    Withholding. The Corporation or any Subsidiary of the Corporation may make such provisions as it may deem appropriate for the withholding of any taxes which the Corporation or such Subsidiary determines it is required to withhold in connection with this performance stock unit agreement and the transactions contemplated hereby, and the Corporation or any such Subsidiary may require the Award Holder to pay to the Corporation or such Subsidiary in cash any amount or amounts which may be required to be paid as withheld taxes in connection with any issuance of Common Stock pursuant to this Award or any other transaction contemplated hereby as a condition to the issuance of shares of the Common Stock, provided, however, that any amount withheld for taxes in connection with this Award may, at the election of the Award Holder, be paid with previously issued shares of Common Stock or the deduction of shares of Common Stock to be issued in connection with this Award.

11.    No Assignments. Neither this performance stock unit agreement, nor this Award nor any other rights and privileges granted hereby shall be transferred, assigned, pledged or hypothecated in any way, whether by operation of law of descent and distribution. Upon any attempt to so transfer, assign, pledge, hypothecate or otherwise dispose of this performance stock unit agreement, this Award or any other right or privilege granted hereby contrary to the provisions hereof, this performance stock unit agreement, this Award and all of such rights and privileges shall immediately become null and void.

12.    Other Programs. Nothing contained in this performance stock unit agreement shall affect the right of the Award Holder to participate in and receive benefits under and in accordance with the then current provisions of any pension, insurance, profit-sharing or other employee benefit plan or program of the Corporation or of any Subsidiary of the Corporation.

4

13.    The Plan. The Award hereby granted is subject to, and the Corporation and Award Holder agree to be bound by all of the terms and conditions of the Plan as the same may be amended from time to time in accordance with the terms thereof, but no such amendment may adversely affect the Award Holder’s rights under this performance stock unit agreement. Award Holder acknowledges receipt of a complete copy of the Plan.

14.    Committee Authority. All questions arising under the Plan or under this performance stock unit agreement shall be decided by the Committee in its total and absolute discretion. It is expressly understood that the Committee is authorized to administer, construe and make all determinations necessary or appropriate to the administration of the Plan and this performance stock unit agreement, all of which shall be binding upon the Award Holder to the maximum extent permitted by the Plan.

15.    Consideration. The consideration for the rights and benefits conferred on Award Holder by this Award are the services rendered by the Award Holder after and not before the grant of this Award.

16.    Applicable Law. This Award has been granted as of the effective date set forth above at Los Angeles, California, and the interpretation, performance and enforcement of this Agreement shall be governed by the laws of the State of California.

DUCOMMUN INCORPORATED

By: ____________________________________

Chief Executive Officer

By: ____________________________________

Secretary     

__________________________________

Award Holder

5

PERFORMANCE STOCK UNIT AGREEMENT

Dated as of January 1, 2017

Exhibit A

For purposes of this performance stock unit agreement, the “Diluted Earnings Per Share” means the diluted earnings per share of the Corporation for each of the Corporation’s fiscal years ending December 31, 2017, December 31, 2018 and December 31, 2019 as included in the Corporation’s audited financial statements, subject to adjustment as provided herein. The Diluted Earnings Per Share shall be adjusted (as determined by the Committee) (i) for changes in accounting, (ii) for discontinued operations (including businesses and product lines that are sold), (iii) to exclude gain or loss on the sale of any business or product line, including but not limited to post-closing adjustments to the purchase price, any indemnity or similar payments, and any costs or expenses in connection therewith, (iv) to exclude any asset impairment write-offs or charges (whether of goodwill, intangible or tangible assets), (v) to exclude any transaction-related costs or expenses arising in connection with the purchase or sale of any business or product line, including but not limited to the effects of Financial Accounting Standards Board Accounting Standards Codification Topic 805, (vi) to exclude any costs or expenses arising in connection with the refinancing, restructuring or prepayment of any Debt, including but not limited to the unamortized portion of any original issue discount, the unamortized portion of any original issue costs and expenses, and any prepayment or make-whole payments, costs or expenses and (vii) any restructuring, reorganization or other costs, expenses or charges that the Compensation Committee determines should be adjusted to fairly reflect the operating performance of the Company. An appropriate adjustment in the Diluted Earnings Per Share amounts in the table below also shall be made for any of the events described in Section 6(a) above.

For purposes of this performance stock unit agreement, the “Relative Total Shareholder Return” means the percentile ranking over the Performance Period of the Corporation’s total shareholder return as compared to the total shareholder return of the companies in the Russell 2000 Index at the beginning of the Performance Period. The determination of the total shareholder return for the Corporation and the companies in the Russell 2000 Index shall include the appreciation or depreciation of stock prices plus dividends paid as if reinvested, and shall be determined based on the average closing price of the Corporation’s common stock and the average closing price of the companies in the Russell 2000 Index over the thirty (30) trading days immediately preceding the Performance Period compared to the last thirty (30) trading days of the Performance Period. If the Russell 2000 Index ceases to be published, the Committee shall, in its discretion, substitute another broad-based stock index that it determines is appropriate.

After the end of the Corporation’s fiscal year ending December 31, 2017, the Committee shall determine the Corporation’s Diluted Earnings Per Share for such fiscal year and the applicable percentage of Target Units earned with respect to such performance measure for such fiscal year. After the end of the Corporation’s fiscal year ending December 31, 2018, the Committee shall determine the Corporation’s Diluted Earnings Per Share for such fiscal year and the applicable percentage of Target Units earned with respect to such performance measure for such fiscal year.

A-1

After the end of the Corporation’s fiscal year ending December 31, 2019, the Committee shall determine the Corporation’s Diluted Earnings Per Share for such fiscal year and the applicable percentage of Target Units earned with respect to such performance measure for such fiscal year. If the Diluted Earnings Per Share does not equal or exceed the thresholds in the table below, the Award shall expire without consideration.

Diluted Earnings Per Share	2017	2018	2019	Total @ Target
Threshold      Vesting % of Target Units	1.34 10%	1.34 10%	1.34 10%	30%
Target      Vesting % of Target Units	1.37 33.333%	1.45 33.333%	1.54 33.333%	100%
Maximum      Vesting % of Target Units	1.58 66.666%	1.68 66.666%	1.77 66.666%	200%

In the event that the Corporation’s Diluted Earnings Per Share for any fiscal year of the Performance Period falls between two of the percentages listed in the table above, the applicable percentage of Target Units earned based on such achievement shall be determined by linear interpolation. The total number of performance stock units subject to the Award that are earned based upon the Corporation’s achievement over the Performance Period (as determined by the Committee) will be equal to the sum of (i) the percentage determined by reference to the table above with respect to the Corporation’s Diluted Earnings Per Share for the fiscal year ending December 31, 2017 multiplied by the number of Target Units set forth in Section 1 above, plus (ii)  the percentage determined by reference to the table above with respect to the Corporation’s Diluted Earnings Per Share for the fiscal year ending December 31, 2018 multiplied by the number of Target Units set forth in Section 1 above, plus (iii) the percentage determined by reference to the table above with respect to the Corporation’s Diluted Earnings Per Share for the fiscal year ending December 31, 2019 multiplied by the number of Target Units set forth in Section 1 above (such units collectively, the “Earned Units”).

After the end of the Performance Period, the Committee shall determine the Corporation’s Relative Total Shareholder Return (compared to the companies in the Russell 2000 Index at the beginning of the Performance Period) over the Performance Period. The Committee, in its discretion, shall establish such procedures as it deems appropriate to determine the Corporation’s percentile rank in Relative Total Shareholder Return. The total Vesting Units will then be determined by multiplying the Earned Units by the Total Vested Units Modifier in the table below. Notwithstanding the foregoing, the Total Vested Units Modifier shall not be greater than 1.0 unless the Corporation’s Total Shareholder Return over the Performance Period is greater than zero.

A-2

Relative Total Shareholder Return v. Russell 2000 Index
Total Shareholder Return Percentile Rank	Total Vested Units Modifier
81% - 100%	1.25
71% - 80%	1.15
61% - 70%	1.10
41% - 60%	1.00
31% - 40%	.90
21% - 30%	.85
0% - 20%	.75

Notwithstanding anything herein to the contrary, in no event will more than two hundred fifty percent (250%) of the number of Target Units become vested hereunder. Performance stock units granted under this Award that are not vested and remain subject to forfeiture are referred to herein as “Unvested Units.”

A-3

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 April 1, 2017;

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: May 4, 2017

/s/ Stephen G. Oswald

Stephen G. Oswald

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, Douglas L. Groves, certify that:

1. I have reviewed this Quarterly Report of Ducommun Incorporated (the “registrant”) on Form 10-Q for the period ended April 1, 2017;

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: May 4, 2017

/s/ Douglas L. Groves

Douglas L. Groves

Vice President, Chief Financial Officer and Treasurer

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 April 1, 2017, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Stephen G. Oswald, 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
	President and Chief Executive Officer
	May 4, 2017

In connection with the Quarterly Report of Ducommun Incorporated (the “Company”) on Form 10-Q for the period ending April 1, 2017, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Douglas L. Groves, Vice President, Chief Financial Officer and Treasurer 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/ Douglas L. Groves
	Douglas L. Groves
	Vice President, Chief Financial Officer and Treasurer
	May 4, 2017

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.

XML

Document and Entity Information - shares	3 Months Ended
	Apr. 01, 2017	Apr. 25, 2017
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Apr. 01, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q1
Trading Symbol	DCO
Entity Registrant Name	DUCOMMUN INC /DE/
Entity Central Index Key	0000030305
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		11,269,350

XML

Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Apr. 01, 2017	Dec. 31, 2016
Current Assets
Cash and cash equivalents	$ 7,114	$ 7,432
Accounts receivable, net of allowance for doubtful accounts of $518 and $495 at April 1, 2017 and December 31, 2016, respectively	71,623	76,239
Inventories	127,201	119,896
Production cost of contracts	11,052	11,340
Other current assets	10,589	11,034
Total Current Assets	227,579	225,941
Property and equipment, net of accumulated depreciation of $138,799 and $135,484 at April 1, 2017 and December 31, 2016, respectively	104,868	101,590
Goodwill	82,554	82,554
Intangibles, net	99,364	101,573
Non-current deferred income taxes	286	286
Other assets	3,320	3,485
Total Assets	517,971	515,429
Current Liabilities
Current portion of long-term debt	0	3
Accounts payable	63,313	57,024
Accrued liabilities	28,092	29,279
Total Current Liabilities	91,405	86,306
Long-term debt, less current portion	162,156	166,896
Non-current deferred income taxes	31,949	31,417
Other long-term liabilities	18,179	18,707
Total Liabilities	303,689	303,326
Commitments and contingencies (Notes 11, 13)
Shareholders’ Equity
Common stock - $0.01 par value; 35,000,000 shares authorized; 11,269,350 and 11,193,813 issued at April 1, 2017 and December 31, 2016, respectively	113	112
Additional paid-in capital	76,827	76,783
Retained earnings	143,402	141,287
Accumulated other comprehensive loss	(6,060)	(6,079)
Total Shareholders’ Equity	214,282	212,103
Total Liabilities and Shareholders’ Equity	$ 517,971	$ 515,429

XML

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Apr. 01, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 518	$ 495
Property and equipment, accumulated depreciation	$ 138,799	$ 135,484
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)	11,269,350	11,193,813

XML

Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Income Statement [Abstract]
Net Revenues	$ 136,297	$ 142,148
Cost of Sales	111,370	115,179
Gross Profit	24,927	26,969
Selling, General and Administrative Expenses	20,827	22,676
Operating Income	4,100	4,293
Interest Expense	(1,593)	(2,399)
Gain on Divestitures	0	18,815
Income Before Taxes	2,507	20,709
Income Tax Expense	392	7,159
Net Income	$ 2,115	$ 13,550
Earnings Per Share
Basic earnings per share (in dollars per share)	$ 0.19	$ 1.22
Diluted earnings per share (in dollars per share)	$ 0.18	$ 1.21
Weighted-Average Number of Common Shares Outstanding
Basic (in shares)	11,208	11,100
Diluted (in shares)	11,495	11,240

XML

Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Statement of Comprehensive Income [Abstract]
Net Income	$ 2,115	$ 13,550
Other Comprehensive Income (Loss)
Amortization of actuarial losses and prior service costs, net of tax benefit of $63 and $68 for the three months ended April 1, 2017 and April 2, 2016, respectively	140	123
Change in unrealized gains and losses on cash flow hedges, net of tax of $72 and $239 for the three months ended April 1, 2017 and April 2, 2016, respectively	(121)	(408)
Other Comprehensive Income (Loss)	19	(285)
Comprehensive Income	$ 2,134	$ 13,265

XML

Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Statement of Comprehensive Income [Abstract]
Amortization of actuarial loss and prior service costs, tax benefits	$ 63	$ 68
Change in unrealized gains and losses on cash flow hedges, tax benefit	$ 72	$ 239

XML

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Cash Flows from Operating Activities
Net Income	$ 2,115	$ 13,550
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities
Depreciation and amortization	5,782	5,855
Gain on divestitures	0	(18,815)
Stock-based compensation expense	1,822	1,000
Deferred income taxes	532	(2,562)
Provision for (recovery of) doubtful accounts	26	(65)
Other	(1,860)	(1,370)
Changes in Assets and Liabilities:
Accounts receivable	4,590	1,972
Inventories	(7,305)	(12,366)
Production cost of contracts	45	429
Other assets	610	7,084
Accounts payable	6,465	7,303
Accrued and other liabilities	415	3,437
Net Cash Provided by Operating Activities	13,237	5,452
Cash Flows from Investing Activities
Purchases of property and equipment	(6,797)	(3,801)
Proceeds from sale of assets	3	0
Proceeds from divestitures	0	55,272
Net Cash (Used in) Provided by Investing Activities	(6,794)	51,471
Cash Flows from Financing Activities
Borrowings from senior secured revolving credit facility	55,600	0
Repayments of senior secured revolving credit facility	(55,600)	0
Repayments of senior unsecured notes and term loans	(5,000)	(55,000)
Repayments of other debt	(3)	(7)
Net (cash paid) proceeds from issuance of common stock under stock plans	(1,758)	(931)
Net Cash Used in Financing Activities	(6,761)	(55,938)
Net (Decrease) Increase in Cash and Cash Equivalents	(318)	985
Cash and Cash Equivalents at Beginning of Period	7,432	5,454
Cash and Cash Equivalents at End of Period	$ 7,114	$ 6,439

XML

Summary of Significant Accounting Policies

3 Months Ended

Apr. 01, 2017

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 subsidiaries are organized into two strategic businesses: Electronic Systems segment and Structural Systems segment, each of which is a reportable operating segment. Electronic Systems designs, engineers and manufactures high-reliability products used in worldwide technology-driven markets including aerospace, defense, industrial and medical and other end-use markets. Electronic Systems’ product offerings range from prototype development to complex assemblies. Structural Systems designs, engineers and manufactures large, complex contoured aerospace structural components and assemblies and supplies composite and metal bonded structures and assemblies. Structural Systems’ products are used on commercial aircraft, military fixed-wing aircraft and military and commercial rotary-wing aircraft. Both 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, 2016 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, 2016. We followed the same accounting policies for interim reporting. 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, 2016.

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 months ended April 1, 2017 are not necessarily indicative of the results to be expected for the full year ending December 31, 2017.

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.

Use of Estimates

Certain amounts and disclosures included in the unaudited condensed consolidated financial statements requires 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) Three Months Ended
	April 1, 2017		April 2, 2016
Interest paid	$	1,535	$	2,081
Taxes paid	$	—	$	—
Non-cash activities:
Purchases of property and equipment not paid	$	3,065	$	215

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

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

	(In thousands, except per share data) Three Months Ended
	April 1, 2017		April 2, 2016
Net income	$	2,115	$	13,550
Weighted-average number of common shares outstanding
Basic weighted-average common shares outstanding	11,208		11,100
Dilutive potential common shares	287		140
Diluted weighted-average common shares outstanding	11,495		11,240
Earnings per share
Basic	$	0.19	$	1.22
Diluted	$	0.18	$	1.21

Potentially dilutive stock options and stock units 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) Three Months Ended
	April 1, 2017	April 2, 2016
Stock options and stock units	58	593

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 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.

Divestitures

On January 22, 2016, we entered into an agreement, and completed the sale on the same date, to sell our operation located in Pittsburgh, Pennsylvania for a preliminary sales price of $38.5 million in cash. We divested this facility as part of our overall strategy to streamline operations, which included consolidating our footprint. However, the sale of the Pittsburgh operation did not represent a strategic shift in our business and thus, was included in the ongoing operating results in the condensed consolidated income statements for all periods presented. Preliminary net assets sold were $24.0 million, net liabilities sold were $4.0 million, and direct transaction costs incurred were $0.2 million, resulting in a preliminary gain on divestiture of $18.3 million. In the fourth quarter of 2016, we finalized the sale with a final sales price of $38.6 million in cash. The final net assets sold were $24.0 million, net liabilities sold were $4.0 million, and direct transaction costs incurred were $0.3 million, resulting in a gain on divestiture of $18.3 million.

In February 2016, we entered into an agreement to sell our Huntsville, Alabama and Iuka, Mississippi (collectively, “Miltec”) operations for a preliminary sales price of $14.6 million, in cash, subject to post-closing adjustments. We divested this facility as part of our overall strategy to streamline operations, which included consolidating our footprint. However, the sale of the Miltec operation did not represent a strategic shift in our business and thus, was included in the ongoing operating results in the condensed consolidated income statements for all periods presented. We completed the sale on March 25, 2016. Preliminary net assets sold were $15.4 million, net liabilities sold were $2.6 million, and direct transaction costs incurred during the current period were $1.3 million, resulting in a preliminary gain on divestiture of $0.5 million. In the fourth quarter of 2016, we finalized the sale with a final sales price of $13.3 million in cash. The final net assets sold were $15.4 million, net liabilities sold were $2.7 million, and direct transaction costs incurred were $1.3 million, resulting in a loss on divestiture of $0.7 million.

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.

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 April 1, 2017, 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.

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, with units being relieved and charged to cost of sales on a first-in, first-out basis. Raw materials are based on cost and other inventory classifications are based on net realizable value. 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. Costs under long-term contracts are accumulated into, and removed from, inventory on the same basis as other contracts. 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. We maintain a reserve for potentially excess and obsolete inventories and inventories that are carried at costs that are higher than their estimated net realizable values.

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 goods sold using the units of delivery method. 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 improvements in manufacturing efficiency, reductions in 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 record additional provisions for estimated losses on contracts.

Recent Accounting Pronouncements

New Accounting Guidance Adopted in 2017

In December 2016, the FASB issued ASU 2016-19, “Technical Corrections and Improvements” (“2016-19”), which cover a variety of Topics in the Codification. The amendments in ASU 2016-19 represent changes to make corrections or improvements to the Codification that are not expected to have a significant effect on current accounting practice or create a significant administrative cost to most entities. The new guidance was effective for us beginning January 1, 2017. The adoption of this standard did not have a significant impact on our condensed consolidated financial statements.

In March 2016, the FASB issued ASU 2016-09, “Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting” (“ASU 2016-09”), which is intended to improve the accounting for employee share-based payments. The new guidance was effective for us beginning January 1, 2017. The adoption of this standard did not have a significant impact on our condensed consolidated financial statements.

In March 2016, the FASB issued ASU 2016-05, “Derivatives and Hedging (Topic 815): Effect of Derivative Contract Novations on Existing Hedge Accounting Relationships” (“ASU 2016-05”), which clarifies that a change in the counter party to a derivative instrument designated as a hedging instrument does not require dedesignation of that hedging relationship, provided that all other hedge accounting criteria are met. The new guidance was effective for us beginning January 1, 2017. The adoption of this standard did not have a significant impact on our condensed consolidated financial statements.

In July 2015, the FASB issued ASU 2015-11, “Inventory (Topic 330)” (“ASU 2015-11”), which requires inventory within the scope of ASU 2015-11 to be measured at the lower of cost or net realizable value. Subsequent measurement is unchanged for inventory measured using last-in, first-out (“LIFO”) or the retail inventory value. The new guidance was effective for us beginning January 1, 2017. The adoption of this standard did not have a significant impact on our condensed consolidated financial statements.

Recently Issued Accounting Standards

In March 2017, the FASB issued ASU 2017-07, “Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Costs” (“ASU 2017-07”), which require an employer to report the service cost component in the same line item or items as other compensation costs arising from services rendered by the pertinent employees during the period. The other components of net benefit cost are required to be presented in the income statement separately from the service cost component and outside a subtotal of income from operations, if one is presented. If a separate line item or items are used to present the other components of net benefit cost, that line item or items must be appropriately described. If a separate line item or items are not used, the line item or items used in the income statement to present the other components of net benefit cost must be disclosed. The amendments also allow only the service cost component to be eligible for capitalization when applicable. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. We are evaluating the impact of this standard.

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. We are evaluating the impact of this standard.

In January 2017, the FASB issued ASU 2017-01, “Business Combinations (Topic 805): Clarifying the Definition of a Business” (“ASU 2017-01”), which clarify the definition of a business with the objective of adding guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions (or disposals) of businesses. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. We are evaluating the impact of this standard.

In December 2016, the FASB issued ASU 2016-20, “Technical Corrections and Improvements to Topic 606, Revenue from Contracts with Customers” (“ASU 2016-20”), which cover a variety of Topics in the Codification related to the new revenue recognition standard (ASU 2014-09). The amendments in ASU 2016-20 represent changes to make minor corrections or minor improvements to the Codification that are not expected to have a significant effect on current accounting practice or create a significant administrative cost to most entities. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. We are evaluating the impact of this standard.

In August 2016, the FASB issued ASU 2016-15, “Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments” (“ASU 2016-15”), which addresses the following eight specific cash flow issues: Debt prepayment or debt extinguishment costs; settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that are insignificant in relation to the effective interest rate of the borrowing; contingent consideration payments made after a business combination; proceeds from the settlement of insurance claims; proceeds from the settlement of corporate-owned life insurance policies (“COLIs”) (including bank-owned life insurance policies [“BOLIs”]); distributions received from equity method investees; beneficial interests in securitization transactions; and separately identifiable cash flows and application of the predominance principle. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. We are evaluating the impact of this standard.

In May 2016, the FASB issued ASU 2016-12, “Revenue from Contracts with Customers (Topic 606): Narrow-Scope Improvements and Practical Expedients” (“ASU 2016-12”), which amends the guidance in the new revenue standard on collectability, noncash consideration, presentation of sales tax, and transition. The amendments are intended to address implementation issues and provide additional practical expedients to reduce the cost and complexity of applying the new revenue standard. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. Early adoption is permitted only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods with that reporting period. We are evaluating the impact of this standard.

In May 2016, the FASB issued ASU 2016-11, “Revenue Recognition (Topic 605) and Derivatives and Hedging (Topic 815): Rescission of SEC Guidance Because of Accounting Standards Updates 2014-09 and 2014-06 Pursuant to Staff Announcements at the March 3, 2016 EITF Meeting” (“ASU 2016-11”), which clarifies revenue and expense recognition for freight costs, accounting for shipping and handling fees and costs, and accounting for consideration given by a vendor to a customer. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. Early adoption is permitted only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods with that reporting period. We are evaluating the impact of this standard.

In April 2016, the FASB issued ASU 2016-10, “Revenue from Contracts with Customers (Topic 606): Identifying Performance Obligations and Licensing” (“ASU 2016-10”), which clarifies the following two aspects of Topic 606: (a) identifying performance obligations; and (b) the licensing implementation guidance. The amendments do not change the core principle of the guidance in Topic 606. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. Early adoption is permitted only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods with that reporting period. We are evaluating the impact of this standard.

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. The new guidance is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2019. We are evaluating the impact of this standard and currently anticipate it will impact our condensed consolidated financial statements.

In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606)” (“ASU 2014-09”), which outlines a new, single comprehensive model for entities to use in accounting for revenue arising from contracts with customers and supersedes most current revenue recognition guidance, including industry-specific guidance. This new revenue recognition model provides a five-step analysis in determining when and how revenue is recognized. It requires entities to exercise judgment when considering the terms of the contract(s) which include (i) identifying the contract(s) with the customer, (ii) identifying the separate performance obligations in the contract, (iii) determining the transaction price, (iv) allocating the transaction price to the separate performance obligations, and (v) recognizing revenue when each performance obligation is satisfied. Thus, it depicts the transfer of promised goods or services to customers in an amount that reflects the consideration an entity expects to receive in exchange for those goods or services. Companies have the option of applying the provisions of ASU 2014-09 either retrospectively to each prior reporting period presented or retrospectively with the cumulative effect of initially applying this guidance recognized at the date of initial application. In August 2015, the FASB issued ASU 2015-14, “Revenue From Contracts With Customers (Topic 606)” (“ASU 2015-14”), which deferred the effective date of ASU 2014-09 by one year to annual periods beginning after December 15, 2017, including interim reporting periods within that reporting period. Early adoption is permitted only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods within that reporting period. The new guidance is effective for us beginning January 1, 2018 and will provide us additional time to evaluate the method and impact that ASU 2014-09 will have on our condensed consolidated financial statements. We are currently in the assessment phase of the implementation project. This includes reviewing current accounting policies and practices to identify potential differences that would result from applying the requirements under the new accounting standard. We are currently completing the contract evaluations and validating the results of applying the new revenue guidance. As the percentage of completion, unit of delivery method of recognizing revenue is being eliminated for companies with significant work-in-process inventory time under ASU 2014-09, we currently anticipate the majority of our revenues will be recognized over time instead of at a point in time, which is our current method for recognizing revenue. As such, our revenues, cost of sales, and related items on our condensed consolidated financial statements will be impacted as well as our financial information technology systems. We expect to adopt the new accounting standard using the modified retrospective method, under which the cumulative effect of initially applying the new guidance is recognized as an adjustment to the opening balance of retained earnings in the first quarter of 2018.

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Restructuring Activities

3 Months Ended

Apr. 01, 2017

Restructuring and Related Activities [Abstract]

Restructuring Activities

Restructuring Activities

Summary of 2015 Restructuring Plans

In September 2015, management approved and commenced implementation of several restructuring actions, including organizational re-alignment, consolidation and relocation of the New York facilities that was completed in December 2015, closure of the Houston facility that was completed in December 2015, and closure of the St. Louis facility that was completed in April 2016, all of which are part of our overall strategy to streamline operations. We have recorded cumulative expenses of $2.2 million for severance and benefits and loss on early exit from leases. We do not expect to record additional expenses related to these restructuring plans.

As of April 1, 2017, we have accrued $0.5 million for loss on early exit from a lease in the Structural Systems segment, which was charged to selling, general and administrative expenses.

Summary of 2016 Restructuring Plan

In May 2016, management approved and commenced implementation of the closure of one of our Tulsa facilities that was completed in June 2016, and was part of our overall strategy to streamline operations. We have recorded cumulative expenses of $0.2 million for severance and benefits and loss on early exit from a lease. We do not expect to record additional expenses related to this restructuring plan.

As of April 1, 2017, we have accrued $0.1 million for loss on early exit from a lease in the Electronic Systems segment, which was charged to selling, general and administrative expenses.

Our restructuring activities in the three months ended April 1, 2017 were as follows (in thousands):

	December 31, 2016		Three Months Ended April 1, 2017							April 1, 2017
	Balance		Charges		Cash Payments			Change in Estimates		Balance
Severance and benefits	$	—	$	—	$	—		$	—	$	—
Lease termination	654		—		(78		)	—		576
Ending balance	$	654	$	—	$	(78	)	$	—	$	576

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Fair Value Measurements

3 Months Ended

Apr. 01, 2017

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

Fair value is defined as the price that would be received for an asset or the price that would be paid to transfer a liability (an exit price) in the principal or most advantageous market in an orderly transaction between market participants on the measurement date. The accounting standard provides a framework for measuring fair value using a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. This hierarchy requires us to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. Three levels of inputs that may be used to measure fair value are as follows:

Level 1 - Quoted prices (unadjusted) in active markets for identical assets or liabilities;

Level 2 - Observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and

Level 3 - Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

Our financial instruments consist primarily of cash and cash equivalents and interest rate cap derivatives designated as cash flow hedging instruments. Assets and liabilities measured at fair value on a recurring basis were as follows (in thousands):

	As of April 1, 2017								As of December 31, 2016
	Fair Value Measurements Using								Fair Value Measurements Using
	Level 1		Level 2		Level 3		Total Balance		Level 1		Level 2		Level 3		Total Balance
Assets
Money market funds(1)	$	3,892	$	—	$	—	$	3,892	$	3,751	$	—	$	—	$	3,751
Interest rate cap hedges(2)	—		360		—		360		—		553		—		553
Total Assets	$	3,892	$	360	$	—	$	4,252	$	3,751	$	553	$	—	$	4,304

(1) Included as cash and cash equivalents.

(2) Interest rate cap hedge premium included as other current assets and other assets.

The fair value of the interest rate cap hedge agreements was determined using pricing models that use observable market inputs as of the balance sheet date, a Level 2 measurement.

There were no transfers between Level 1, Level 2, or Level 3 financial instruments in the three months ended April 1, 2017.

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Financial Instruments

3 Months Ended

Apr. 01, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Financial Instruments

Financial Instruments

Derivative Instruments and Hedging Activities

We periodically enter into cash flow derivative transactions, such as interest rate cap agreements, to hedge exposure to various risks related to interest rates. We assess the effectiveness of the interest rate cap hedges at inception of the hedge. We recognize all derivatives at their fair value. For cash flow designated hedges, the effective portion of the changes in fair value of the derivative contract are recorded in accumulated other comprehensive income (loss), net of taxes, and are recognized in net earnings at the time earnings are affected by the hedged transaction. Adjustments to record changes in fair values of the derivative contracts that are attributable to the ineffective portion of the hedges, if any, are recognized in earnings. We present derivative instruments in our condensed consolidated statements of cash flows’ operating, investing, or financing activities consistent with the cash flows of the hedged item.

Our interest rate cap hedges were designated as cash flow hedges and deemed highly effective at the inception of the hedges. These interest rate cap hedges mature concurrently with the term loan in June 2020. During the three months ended April 1, 2017, the interest rate cap hedges continued to be highly effective and $0.1 million, net of tax, was recognized in other comprehensive income. No amount was recorded in the condensed consolidated statements of operations during the three months ended April 1, 2017. See Note 8.

The recorded fair value of the derivative financial instruments on the condensed consolidated balance sheets were as follows:

	(In thousands) April 1, 2017				(In thousands) December 31, 2016
	Other Current Assets		Other Long Term Assets		Other Current Assets		Other Long Term Assets
Derivatives Designated as Hedging Instruments
Cash Flow Hedges:
Interest rate cap premiums	$	—	$	360	$	—	$	553
Total Derivatives	$	—	$	360	$	—	$	553

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Inventories

3 Months Ended

Apr. 01, 2017

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consisted of the following:

	(In thousands)
	April 1, 2017		December 31, 2016
Raw materials and supplies	$	69,153	$	64,650
Work in process	59,268		56,806
Finished goods	10,147		9,180
	138,568		130,636
Less progress payments	11,367		10,740
Total	$	127,201	$	119,896

We net progress payments from customers related to inventory purchases against inventories on the condensed consolidated balance sheets.

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Goodwill

3 Months Ended

Apr. 01, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill

Gross goodwill and accumulated goodwill impairment were $164.3 million and $81.7 million, respectively, both as of April 1, 2017 and December 31, 2016. The goodwill is included in our Electronic Systems segment.

We perform our annual goodwill impairment test during the fourth quarter. If certain factors occur, we may have to perform an impairment test prior to the fourth quarter 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.

At times, our market capitalization has declined below book value, which if it continues for an extended period of time, is a factor that could lead to a conclusion that a triggering event has occurred. As our market capitalization declines recently have been temporary in nature and our market capitalization has exceeded our book value, we do not consider these temporary declines in market capitalization to be a triggering event in the fiscal quarter ended April 1, 2017. However, it is considered at least reasonably possible that our determination that goodwill for our Electronic Systems segment was not impaired could change in the near term if any the factors noted above occurs.

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Accrued Liabilities

3 Months Ended

Apr. 01, 2017

Payables and Accruals [Abstract]

Accrued Liabilities

Accrued Liabilities

The components of accrued liabilities were as follows:

	(In thousands)
	April 1, 2017		December 31, 2016
Accrued compensation	$	17,703	$	15,455
Accrued income tax and sales tax	73		332
Customer deposits	2,854		3,204
Interest payable	10		273
Provision for forward loss reserves	2,650		4,780
Other	4,802		5,235
Total	$	28,092	$	29,279

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Long-Term Debt

3 Months Ended

Apr. 01, 2017

Debt Disclosure [Abstract]

Long-Term Debt

Long-Term Debt

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

	(In thousands)
	April 1, 2017			December 31, 2016
Term loan	$	165,000		$	170,000
Revolving credit facility	—			—
Other debt (fixed 5.41%)	—			3
Total debt	165,000			170,003
Less current portion	—			3
Total long-term debt	165,000			170,000
Less debt issuance costs	2,844			3,104
Total long-term debt, net of debt issuance costs	$	162,156		$	166,896
Weighted-average interest rate	3.14		%	3.25		%

In June 2015, we completed a credit facility to replace the Existing Credit Facilities. The credit facility consisted of a $275.0 million senior secured term loan, which matures on June 26, 2020 (“Term Loan”), and a $200.0 million senior secured revolving credit facility (“Revolving Credit Facility”), which matures on June 26, 2020 (collectively, the “Credit Facilities”). The Credit Facilities bear interest, at our option, at a rate equal to either (i) the Eurodollar Rate (defined as LIBOR) plus an applicable margin ranging from 1.50% 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 0.50% to 1.75% per year, in each case based upon the consolidated total net adjusted leverage ratio. The undrawn portions of the commitments of the Credit Facilities are subject to a commitment fee ranging from 0.175% to 0.300%, based upon the consolidated total net adjusted leverage ratio.

Further, we are required to make mandatory prepayments of amounts outstanding under the Term Loan. The mandatory prepayments will be made quarterly, equal to 5.0% per year of the original aggregate principal amount during the first two years and increase to 7.5% per year during the third year, and increase to 10.0% per year during the fourth year and fifth years, with the remaining balance payable on June 26, 2020. The loans under the Revolving Credit Facility are due on June 26, 2020. As of April 1, 2017, we were in compliance with all covenants required under the Credit Facilities.

We have been making voluntary principal prepayments on a quarterly basis on our senior secured term loan and in conjunction with the closing of the Credit Facilities in second quarter 2015, we drew down $65.0 million on the Revolving Credit Facility and used those proceeds along with current cash on hand to extinguish the existing senior secured term loan of $80.0 million. We expensed the unamortized debt issuance costs related to the existing senior secured term loan of $2.8 million as part of extinguishing the existing senior secured term loan in second quarter 2015. We also incurred $4.8 million of debt issuance costs related to the Credit Facilities and those costs were capitalized and are being amortized over the five year life of the Credit Facilities.

In addition, we retired all of the $200.0 million senior unsecured notes (“Existing Notes”) in July 2015. We drew down on the Term Loan in the amount of $275.0 million. Along with the call notice amount and paying the call premium of $9.8 million, we also paid down the $65.0 million outstanding on the Revolving Credit Facility. We expensed the call premium of $9.8 million and debt issuance costs related to the Existing Notes of $2.1 million upon extinguishing the Existing Notes in July 2015.

Further, we made net voluntary principal prepayments of $5.0 million under the Credit Facilities during the three months ended April 1, 2017.

As of April 1, 2017, we had $199.0 million of unused borrowing capacity under the Revolving Credit Facility, after deducting $1.0 million for standby letters of credit.

The Credit Facilities were entered into by us (“Parent Company”) and guaranteed by all of our subsidiaries, other than one subsidiary (“Subsidiary Guarantors”) that was considered minor. The Parent Company has no independent assets or operations and the Subsidiary Guarantors jointly and severally guarantee, on a senior unsecured basis, the Credit Facilities. Therefore, no condensed 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 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. See Note 4 for further discussion.

In December 2016, we entered into an agreement to purchase $9.9 million of industrial revenue bonds (“IRBs”) issued by the city of Parsons, Kansas (“Parsons”) and concurrently, sold $9.9 million of property and equipment (“Property”) to Parsons as well as entered into a lease agreement to lease the Property from Parsons (“Lease”) with lease payments totaling $9.9 million over the lease term. The sale of the Property and concurrent lease back of the Property did not meet the sale-leaseback accounting requirements as a result of our continuous involvement with the Property and thus, the $9.9 million in cash received from Parsons was not recorded as a sale but as a financing obligation. Further, the Lease included a right of offset and thus, the financing obligation of $9.9 million was offset against the $9.9 million of IRBs assets and presented net on the condensed consolidated balance sheets with no impact to the condensed consolidated income statements or condensed consolidated cash flow statements.

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Shareholders' Equity

3 Months Ended

Apr. 01, 2017

Equity [Abstract]

Shareholders' Equity

Shareholders’ Equity

We are authorized to issue five million shares of preferred stock. At April 1, 2017 and December 31, 2016, no preferred shares were issued or outstanding.

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Employee Benefit Plans

3 Months Ended

Apr. 01, 2017

Compensation and Retirement Disclosure [Abstract]

Employee Benefit Plans

Employee Benefit Plans

The components of net periodic pension expense were as follows:

	(In thousands)
	Three Months Ended
	April 1, 2017			April 2, 2016
Service cost	$	133		$	133
Interest cost	332			342
Expected return on plan assets	(383		)	(370		)
Amortization of actuarial losses	203			191
Net periodic pension cost	$	285		$	296

The components of the reclassifications of net actuarial losses from accumulated other comprehensive loss to net income for the three months ended April 1, 2017 were as follows:

	(In thousands)
	Three Months Ended
	April 1, 2017
Amortization of actuarial losses - total before tax (1)	$	(203	)
Tax benefit	63
Net of tax	$	(140	)

(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

3 Months Ended

Apr. 01, 2017

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 the facility or the 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 indefinite but 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 fair value of our indemnification obligations as insignificant based on this history and insurance coverage and have, therefore, not recorded any liability for these guarantees and indemnities on the accompanying condensed consolidated balance sheets.

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Income Taxes

3 Months Ended

Apr. 01, 2017

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 and deductions available for domestic production activities. 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. 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 $0.4 million (effective tax rate of 15.6%) for the three months ended April 1, 2017 compared to $7.2 million (effective tax rate of 34.6%) for the three months ended April 2, 2016. The decrease in the effective tax rate for the three months ended April 1, 2017 compared to the three months ended April 2, 2016 was primarily due to the preliminary gain on divestitures of our Pittsburgh and Miltec operations of $18.8 million, which resulted in a higher state tax liability, compared to the current year three month period. FASB ASU 2016-09 became effective for us beginning January 1, 2017 and requires all the tax effects related to share-based payments be recorded through the income statement. During the current year three month period, we recognized tax benefits (“windfalls”) from deductions of share-based payments in excess of compensation cost recognized for financial reporting purposes that decreased the income tax expense and effective tax rate.

Our total amount of unrecognized tax benefits were $3.4 million and $3.0 million as of April 1, 2017 and December 31, 2016, respectively. If recognized, $2.1 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.

In 2016, the Internal Revenue Service (“IRS”) commenced an audit of our 2014 and 2015 tax years. Although the outcome of tax examinations cannot be predicted with certainty, we believe we have adequately accrued for tax deficiencies or reductions in tax benefits, if any, that could result from the examination and all open audit years.

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Contingencies

3 Months Ended

Apr. 01, 2017

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 April 1, 2017 and December 31, 2016, 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 April 1, 2017, 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. 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

3 Months Ended

Apr. 01, 2017

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, Structural Systems and Electronic Systems, each of which is a reportable operating segment.

Financial information by reportable operating segment was as follows:

	(In thousands) Three Months Ended
	April 1, 2017			April 2, 2016
Net Revenues
Structural Systems	$	57,575		$	64,017
Electronic Systems	78,722			78,131
Total Net Revenues	$	136,297		$	142,148
Segment Operating Income
Structural Systems	$	2,632		$	2,724
Electronic Systems	7,104			6,387
	9,736			9,111
Corporate General and Administrative Expenses (1)	(5,636		)	(4,818		)
Operating Income	$	4,100		$	4,293
Depreciation and Amortization Expenses
Structural Systems	$	2,352		$	2,057
Electronic Systems	3,423			3,761
Corporate Administration	7			37
Total Depreciation and Amortization Expenses	$	5,782		$	5,855
Capital Expenditures
Structural Systems	$	5,188		$	2,054
Electronic Systems	1,433			347
Total Capital Expenditures	$	6,621		$	2,401

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

Segment assets include assets directly identifiable with each segment. Our segment assets are as follows:

	(In thousands)
	April 1, 2017		December 31, 2016
Total Assets
Structural Systems	$	185,073	$	175,580
Electronic Systems	319,924		325,780
Corporate Administration (1)	12,974		14,069
Total Assets	$	517,971	$	515,429
Goodwill and Intangibles
Structural Systems	$	3,517	$	3,745
Electronic Systems	178,401		180,382
Total Goodwill and Intangibles	$	181,918	$	184,127

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

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Summary of Significant Accounting Policies (Policies)

3 Months Ended

Apr. 01, 2017

Accounting Policies [Abstract]

Description of Business

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 subsidiaries are organized into two strategic businesses: Electronic Systems segment and Structural Systems segment, each of which is a reportable operating segment. Electronic Systems designs, engineers and manufactures high-reliability products used in worldwide technology-driven markets including aerospace, defense, industrial and medical and other end-use markets. Electronic Systems’ product offerings range from prototype development to complex assemblies. Structural Systems designs, engineers and manufactures large, complex contoured aerospace structural components and assemblies and supplies composite and metal bonded structures and assemblies. Structural Systems’ products are used on commercial aircraft, military fixed-wing aircraft and military and commercial rotary-wing aircraft. Both reportable operating segments follow the same accounting principles.

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, 2016 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, 2016. We followed the same accounting policies for interim reporting. 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, 2016.

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 months ended April 1, 2017 are not necessarily indicative of the results to be expected for the full year ending December 31, 2017.

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.

Use of Estimates

Use of Estimates

Certain amounts and disclosures included in the unaudited condensed consolidated financial statements requires 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 are computed by dividing income available to common shareholders by the weighted-average number of common shares outstanding, plus any potential 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 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.

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. See Fair Value above.

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 April 1, 2017, 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.

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, with units being relieved and charged to cost of sales on a first-in, first-out basis. Raw materials are based on cost and other inventory classifications are based on net realizable value. 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. Costs under long-term contracts are accumulated into, and removed from, inventory on the same basis as other contracts. 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. We maintain a reserve for potentially excess and obsolete inventories and inventories that are carried at costs that are higher than their estimated net realizable values.

Production Cost of 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 goods sold using the units of delivery method. 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 improvements in manufacturing efficiency, reductions in 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 record additional provisions for estimated losses on contracts.

Recent Accounting Pronouncements

Recent Accounting Pronouncements

New Accounting Guidance Adopted in 2017

In December 2016, the FASB issued ASU 2016-19, “Technical Corrections and Improvements” (“2016-19”), which cover a variety of Topics in the Codification. The amendments in ASU 2016-19 represent changes to make corrections or improvements to the Codification that are not expected to have a significant effect on current accounting practice or create a significant administrative cost to most entities. The new guidance was effective for us beginning January 1, 2017. The adoption of this standard did not have a significant impact on our condensed consolidated financial statements.

In March 2016, the FASB issued ASU 2016-09, “Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting” (“ASU 2016-09”), which is intended to improve the accounting for employee share-based payments. The new guidance was effective for us beginning January 1, 2017. The adoption of this standard did not have a significant impact on our condensed consolidated financial statements.

In March 2016, the FASB issued ASU 2016-05, “Derivatives and Hedging (Topic 815): Effect of Derivative Contract Novations on Existing Hedge Accounting Relationships” (“ASU 2016-05”), which clarifies that a change in the counter party to a derivative instrument designated as a hedging instrument does not require dedesignation of that hedging relationship, provided that all other hedge accounting criteria are met. The new guidance was effective for us beginning January 1, 2017. The adoption of this standard did not have a significant impact on our condensed consolidated financial statements.

In July 2015, the FASB issued ASU 2015-11, “Inventory (Topic 330)” (“ASU 2015-11”), which requires inventory within the scope of ASU 2015-11 to be measured at the lower of cost or net realizable value. Subsequent measurement is unchanged for inventory measured using last-in, first-out (“LIFO”) or the retail inventory value. The new guidance was effective for us beginning January 1, 2017. The adoption of this standard did not have a significant impact on our condensed consolidated financial statements.

Recently Issued Accounting Standards

In March 2017, the FASB issued ASU 2017-07, “Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Costs” (“ASU 2017-07”), which require an employer to report the service cost component in the same line item or items as other compensation costs arising from services rendered by the pertinent employees during the period. The other components of net benefit cost are required to be presented in the income statement separately from the service cost component and outside a subtotal of income from operations, if one is presented. If a separate line item or items are used to present the other components of net benefit cost, that line item or items must be appropriately described. If a separate line item or items are not used, the line item or items used in the income statement to present the other components of net benefit cost must be disclosed. The amendments also allow only the service cost component to be eligible for capitalization when applicable. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. We are evaluating the impact of this standard.

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. We are evaluating the impact of this standard.

In January 2017, the FASB issued ASU 2017-01, “Business Combinations (Topic 805): Clarifying the Definition of a Business” (“ASU 2017-01”), which clarify the definition of a business with the objective of adding guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions (or disposals) of businesses. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. We are evaluating the impact of this standard.

In December 2016, the FASB issued ASU 2016-20, “Technical Corrections and Improvements to Topic 606, Revenue from Contracts with Customers” (“ASU 2016-20”), which cover a variety of Topics in the Codification related to the new revenue recognition standard (ASU 2014-09). The amendments in ASU 2016-20 represent changes to make minor corrections or minor improvements to the Codification that are not expected to have a significant effect on current accounting practice or create a significant administrative cost to most entities. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. We are evaluating the impact of this standard.

In August 2016, the FASB issued ASU 2016-15, “Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments” (“ASU 2016-15”), which addresses the following eight specific cash flow issues: Debt prepayment or debt extinguishment costs; settlement of zero-coupon debt instruments or other debt instruments with coupon interest rates that are insignificant in relation to the effective interest rate of the borrowing; contingent consideration payments made after a business combination; proceeds from the settlement of insurance claims; proceeds from the settlement of corporate-owned life insurance policies (“COLIs”) (including bank-owned life insurance policies [“BOLIs”]); distributions received from equity method investees; beneficial interests in securitization transactions; and separately identifiable cash flows and application of the predominance principle. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. We are evaluating the impact of this standard.

In May 2016, the FASB issued ASU 2016-12, “Revenue from Contracts with Customers (Topic 606): Narrow-Scope Improvements and Practical Expedients” (“ASU 2016-12”), which amends the guidance in the new revenue standard on collectability, noncash consideration, presentation of sales tax, and transition. The amendments are intended to address implementation issues and provide additional practical expedients to reduce the cost and complexity of applying the new revenue standard. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. Early adoption is permitted only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods with that reporting period. We are evaluating the impact of this standard.

In May 2016, the FASB issued ASU 2016-11, “Revenue Recognition (Topic 605) and Derivatives and Hedging (Topic 815): Rescission of SEC Guidance Because of Accounting Standards Updates 2014-09 and 2014-06 Pursuant to Staff Announcements at the March 3, 2016 EITF Meeting” (“ASU 2016-11”), which clarifies revenue and expense recognition for freight costs, accounting for shipping and handling fees and costs, and accounting for consideration given by a vendor to a customer. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. Early adoption is permitted only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods with that reporting period. We are evaluating the impact of this standard.

In April 2016, the FASB issued ASU 2016-10, “Revenue from Contracts with Customers (Topic 606): Identifying Performance Obligations and Licensing” (“ASU 2016-10”), which clarifies the following two aspects of Topic 606: (a) identifying performance obligations; and (b) the licensing implementation guidance. The amendments do not change the core principle of the guidance in Topic 606. The new guidance is effective for annual periods beginning after December 15, 2017, including interim periods within those annual periods, which will be our interim period beginning January 1, 2018. Early adoption is permitted only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods with that reporting period. We are evaluating the impact of this standard.

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. The new guidance is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2019. We are evaluating the impact of this standard and currently anticipate it will impact our condensed consolidated financial statements.

In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers (Topic 606)” (“ASU 2014-09”), which outlines a new, single comprehensive model for entities to use in accounting for revenue arising from contracts with customers and supersedes most current revenue recognition guidance, including industry-specific guidance. This new revenue recognition model provides a five-step analysis in determining when and how revenue is recognized. It requires entities to exercise judgment when considering the terms of the contract(s) which include (i) identifying the contract(s) with the customer, (ii) identifying the separate performance obligations in the contract, (iii) determining the transaction price, (iv) allocating the transaction price to the separate performance obligations, and (v) recognizing revenue when each performance obligation is satisfied. Thus, it depicts the transfer of promised goods or services to customers in an amount that reflects the consideration an entity expects to receive in exchange for those goods or services. Companies have the option of applying the provisions of ASU 2014-09 either retrospectively to each prior reporting period presented or retrospectively with the cumulative effect of initially applying this guidance recognized at the date of initial application. In August 2015, the FASB issued ASU 2015-14, “Revenue From Contracts With Customers (Topic 606)” (“ASU 2015-14”), which deferred the effective date of ASU 2014-09 by one year to annual periods beginning after December 15, 2017, including interim reporting periods within that reporting period. Early adoption is permitted only as of annual reporting periods beginning after December 15, 2016, including interim reporting periods within that reporting period. The new guidance is effective for us beginning January 1, 2018 and will provide us additional time to evaluate the method and impact that ASU 2014-09 will have on our condensed consolidated financial statements. We are currently in the assessment phase of the implementation project. This includes reviewing current accounting policies and practices to identify potential differences that would result from applying the requirements under the new accounting standard. We are currently completing the contract evaluations and validating the results of applying the new revenue guidance. As the percentage of completion, unit of delivery method of recognizing revenue is being eliminated for companies with significant work-in-process inventory time under ASU 2014-09, we currently anticipate the majority of our revenues will be recognized over time instead of at a point in time, which is our current method for recognizing revenue. As such, our revenues, cost of sales, and related items on our condensed consolidated financial statements will be impacted as well as our financial information technology systems. We expect to adopt the new accounting standard using the modified retrospective method, under which the cumulative effect of initially applying the new guidance is recognized as an adjustment to the opening balance of retained earnings in the first quarter of 2018.

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Summary of Significant Accounting Policies (Tables)

3 Months Ended

Apr. 01, 2017

Accounting Policies [Abstract]

Schedule of Supplemental Cash Flow

Supplemental Cash Flow Information

	(In thousands) Three Months Ended
	April 1, 2017		April 2, 2016
Interest paid	$	1,535	$	2,081
Taxes paid	$	—	$	—
Non-cash activities:
Purchases of property and equipment not paid	$	3,065	$	215

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

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

	(In thousands, except per share data) Three Months Ended
	April 1, 2017		April 2, 2016
Net income	$	2,115	$	13,550
Weighted-average number of common shares outstanding
Basic weighted-average common shares outstanding	11,208		11,100
Dilutive potential common shares	287		140
Diluted weighted-average common shares outstanding	11,495		11,240
Earnings per share
Basic	$	0.19	$	1.22
Diluted	$	0.18	$	1.21

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

Potentially dilutive stock options and stock units 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) Three Months Ended
	April 1, 2017	April 2, 2016
Stock options and stock units	58	593

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Restructuring Activities (Tables)

3 Months Ended

Apr. 01, 2017

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Activities

Our restructuring activities in the three months ended April 1, 2017 were as follows (in thousands):

	December 31, 2016		Three Months Ended April 1, 2017							April 1, 2017
	Balance		Charges		Cash Payments			Change in Estimates		Balance
Severance and benefits	$	—	$	—	$	—		$	—	$	—
Lease termination	654		—		(78		)	—		576
Ending balance	$	654	$	—	$	(78	)	$	—	$	576

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Fair Value Measurements (Tables)

3 Months Ended

Apr. 01, 2017

Fair Value Disclosures [Abstract]

Schedule of Fair Value Measurements

Our financial instruments consist primarily of cash and cash equivalents and interest rate cap derivatives designated as cash flow hedging instruments. Assets and liabilities measured at fair value on a recurring basis were as follows (in thousands):

	As of April 1, 2017								As of December 31, 2016
	Fair Value Measurements Using								Fair Value Measurements Using
	Level 1		Level 2		Level 3		Total Balance		Level 1		Level 2		Level 3		Total Balance
Assets
Money market funds(1)	$	3,892	$	—	$	—	$	3,892	$	3,751	$	—	$	—	$	3,751
Interest rate cap hedges(2)	—		360		—		360		—		553		—		553
Total Assets	$	3,892	$	360	$	—	$	4,252	$	3,751	$	553	$	—	$	4,304

(1) Included as cash and cash equivalents.

(2) Interest rate cap hedge premium included as other current assets and other assets.

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Financial Instruments (Tables)

3 Months Ended

Apr. 01, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments

The recorded fair value of the derivative financial instruments on the condensed consolidated balance sheets were as follows:

	(In thousands) April 1, 2017				(In thousands) December 31, 2016
	Other Current Assets		Other Long Term Assets		Other Current Assets		Other Long Term Assets
Derivatives Designated as Hedging Instruments
Cash Flow Hedges:
Interest rate cap premiums	$	—	$	360	$	—	$	553
Total Derivatives	$	—	$	360	$	—	$	553

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Inventories (Tables)

3 Months Ended

Apr. 01, 2017

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories consisted of the following:

	(In thousands)
	April 1, 2017		December 31, 2016
Raw materials and supplies	$	69,153	$	64,650
Work in process	59,268		56,806
Finished goods	10,147		9,180
	138,568		130,636
Less progress payments	11,367		10,740
Total	$	127,201	$	119,896

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Accrued Liabilities (Tables)

3 Months Ended

Apr. 01, 2017

Payables and Accruals [Abstract]

Summary of Accrued Liabilities

The components of accrued liabilities were as follows:

	(In thousands)
	April 1, 2017		December 31, 2016
Accrued compensation	$	17,703	$	15,455
Accrued income tax and sales tax	73		332
Customer deposits	2,854		3,204
Interest payable	10		273
Provision for forward loss reserves	2,650		4,780
Other	4,802		5,235
Total	$	28,092	$	29,279

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Long-Term Debt (Tables)

3 Months Ended

Apr. 01, 2017

Debt Disclosure [Abstract]

Long Term Debt Summary

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

	(In thousands)
	April 1, 2017			December 31, 2016
Term loan	$	165,000		$	170,000
Revolving credit facility	—			—
Other debt (fixed 5.41%)	—			3
Total debt	165,000			170,003
Less current portion	—			3
Total long-term debt	165,000			170,000
Less debt issuance costs	2,844			3,104
Total long-term debt, net of debt issuance costs	$	162,156		$	166,896
Weighted-average interest rate	3.14		%	3.25		%

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Employee Benefit Plans (Tables)

3 Months Ended

Apr. 01, 2017

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Pension Cost

The components of net periodic pension expense were as follows:

	(In thousands)
	Three Months Ended
	April 1, 2017			April 2, 2016
Service cost	$	133		$	133
Interest cost	332			342
Expected return on plan assets	(383		)	(370		)
Amortization of actuarial losses	203			191
Net periodic pension cost	$	285		$	296

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 months ended April 1, 2017 were as follows:

	(In thousands)
	Three Months Ended
	April 1, 2017
Amortization of actuarial losses - total before tax (1)	$	(203	)
Tax benefit	63
Net of tax	$	(140	)

(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)

3 Months Ended

Apr. 01, 2017

Segment Reporting [Abstract]

Financial Information by Reportable Segment

Financial information by reportable operating segment was as follows:

	(In thousands) Three Months Ended
	April 1, 2017			April 2, 2016
Net Revenues
Structural Systems	$	57,575		$	64,017
Electronic Systems	78,722			78,131
Total Net Revenues	$	136,297		$	142,148
Segment Operating Income
Structural Systems	$	2,632		$	2,724
Electronic Systems	7,104			6,387
	9,736			9,111
Corporate General and Administrative Expenses (1)	(5,636		)	(4,818		)
Operating Income	$	4,100		$	4,293
Depreciation and Amortization Expenses
Structural Systems	$	2,352		$	2,057
Electronic Systems	3,423			3,761
Corporate Administration	7			37
Total Depreciation and Amortization Expenses	$	5,782		$	5,855
Capital Expenditures
Structural Systems	$	5,188		$	2,054
Electronic Systems	1,433			347
Total Capital Expenditures	$	6,621		$	2,401

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

Segment Assets

Our segment assets are as follows:

	(In thousands)
	April 1, 2017		December 31, 2016
Total Assets
Structural Systems	$	185,073	$	175,580
Electronic Systems	319,924		325,780
Corporate Administration (1)	12,974		14,069
Total Assets	$	517,971	$	515,429
Goodwill and Intangibles
Structural Systems	$	3,517	$	3,745
Electronic Systems	178,401		180,382
Total Goodwill and Intangibles	$	181,918	$	184,127

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

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Summary of Significant Accounting Policies - Additional Information (Details)	3 Months Ended
	Apr. 01, 2017 Segment
Accounting Policies [Abstract]
Number of reportable segments	2
Cash equivalent maturity period	3 months

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Summary of Significant Accounting Policies - Supplemental Cash Flow Items (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Supplemental Disclosures of Cash Flow Information
Interest paid	$ 1,535	$ 2,081
Taxes paid	0	0
Non-cash activities:
Purchases of property and equipment not paid	$ 3,065	$ 215

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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
	Apr. 01, 2017	Apr. 02, 2016
Accounting Policies [Abstract]
Net income	$ 2,115	$ 13,550
Weighted-average number of common shares outstanding
Basic weighted-average common shares outstanding (in shares)	11,208	11,100
Dilutive potential common shares (in shares)	287	140
Diluted weighted-average common shares outstanding (in shares)	11,495	11,240
Earnings per share
Basic (in dollars per share)	$ 0.19	$ 1.22
Diluted (in dollars per share)	$ 0.18	$ 1.21

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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
	Apr. 01, 2017	Apr. 02, 2016
Stock Options and Restricted 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)	58	593

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Summary of Significant Accounting Policies - Divestitures (Details) - Assets Disposed of by Sale - USD ($) $ in Millions			12 Months Ended
	Mar. 25, 2016	Jan. 22, 2016	Dec. 31, 2016
Electronic Systems | Pittsburgh, Pennsylvania Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration received		$ 38.5
Assets divested, net		24.0
Liabilities divested, net		4.0
Transaction costs		0.2
Gain on divestiture		$ 18.3
Electronic Systems | Miltec Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration received	$ 14.6
Assets divested, net	15.4
Liabilities divested, net	2.6
Transaction costs	1.3
Gain on divestiture	$ 0.5
Ducommun La Barge Technologies | Pittsburgh, Pennsylvania Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration received			$ 38.6
Assets divested, net			24.0
Liabilities divested, net			4.0
Transaction costs			0.3
Gain on divestiture			18.3
Ducommun La Barge Technologies | Miltec Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration received			13.3
Assets divested, net			15.4
Liabilities divested, net			2.7
Transaction costs			1.3
Gain on divestiture			$ (0.7)

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Restructuring Activities (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2017	Apr. 01, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring charges accrued during period	$ 654	$ 576
Restructuring Reserve [Roll Forward]
Beginning balance	654
Charges	0
Cash Payments	(78)
Change in Estimates	0
Ending balance	576
Severance and benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges accrued during period	0	0
Restructuring Reserve [Roll Forward]
Beginning balance	0
Charges	0
Cash Payments	0
Change in Estimates	0
Ending balance	0
Lease termination
Restructuring Cost and Reserve [Line Items]
Restructuring charges accrued during period	654	576
Restructuring Reserve [Roll Forward]
Beginning balance	654
Charges	0
Cash Payments	(78)
Change in Estimates	0
Ending balance	576
Restructuring Plan, 2015 | Severance benefits and loss on early exit from leases
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred to date		2,200
Restructuring Plan, 2015 | Structural Systems | Severance and benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges accrued during period	500	500
Restructuring Reserve [Roll Forward]
Ending balance	500
Restructuring Plan, 2016 | Severance benefits and loss on early exit from leases
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred to date		200
Restructuring Plan, 2016 | Electronic Systems | Lease termination
Restructuring Cost and Reserve [Line Items]
Restructuring charges accrued during period	100	$ 100
Restructuring Reserve [Roll Forward]
Ending balance	$ 100

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Fair Value Measurements (Details) - Recurring Measurement - USD ($) $ in Thousands	Apr. 01, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	$ 3,892	$ 3,751
Interest rate cap hedges	360	553
Total Assets	4,252	4,304
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	3,892	3,751
Interest rate cap hedges	0	0
Total Assets	3,892	3,751
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	0	0
Interest rate cap hedges	360	553
Total Assets	360	553
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	0	0
Interest rate cap hedges	0	0
Total Assets	$ 0	$ 0

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Financial Instruments (Details) - USD ($)	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Dec. 31, 2016
Derivative [Line Items]
Interest rate cap hedges recognized in other comprehensive income, net of tax	$ 121,000	$ 408,000
Other Current Assets
Derivative [Line Items]
Derivative asset	0		$ 0
Other Long Term Assets
Derivative [Line Items]
Derivative asset	360,000		553,000
Interest rate cap premiums
Derivative [Line Items]
Interest rate cap hedges recognized in other comprehensive income, net of tax	100,000
Gain (loss) on derivatives, net	0
Cash Flow Hedging | Designated as Hedging Instrument | Interest rate cap premiums | Other Current Assets
Derivative [Line Items]
Derivative asset	0		0
Cash Flow Hedging | Designated as Hedging Instrument | Interest rate cap premiums | Other Long Term Assets
Derivative [Line Items]
Derivative asset	$ 360,000		$ 553,000

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Inventories (Detail) - USD ($) $ in Thousands	Apr. 01, 2017	Dec. 31, 2016
Inventory Disclosure [Abstract]
Raw materials and supplies	$ 69,153	$ 64,650
Work in process	59,268	56,806
Finished goods	10,147	9,180
Inventory, gross	138,568	130,636
Less progress payments	11,367	10,740
Total	$ 127,201	$ 119,896

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Goodwill (Detail) - Electronic Systems - USD ($) $ in Millions	Apr. 01, 2017	Dec. 31, 2016
Goodwill [Line Items]
Gross goodwill	$ 164.3	$ 164.3
Accumulated goodwill impairment	$ 81.7	$ 81.7

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Accrued Liabilities (Detail) - USD ($) $ in Thousands	Apr. 01, 2017	Dec. 31, 2016
Payables and Accruals [Abstract]
Accrued compensation	$ 17,703	$ 15,455
Accrued income tax and sales tax	73	332
Customer deposits	2,854	3,204
Interest payable	10	273
Provision for forward loss reserves	2,650	4,780
Other	4,802	5,235
Total	$ 28,092	$ 29,279

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Long Term Debt - Summary (Detail) - USD ($) $ in Thousands	Apr. 01, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Long-term debt	$ 165,000	$ 170,003
Less current portion	0	3
Total long-term debt	165,000	170,000
Less debt issuance costs	2,844	3,104
Total long-term debt, net of debt issuance costs	$ 162,156	$ 166,896
Weighted-average interest rate (percent)	3.14%	3.25%
Senior Secured Term Loan
Debt Instrument [Line Items]
Long-term debt	$ 165,000	$ 170,000
New Credit Facilities
Debt Instrument [Line Items]
Long-term debt	0	0
Other Debt
Debt Instrument [Line Items]
Long-term debt	$ 0	$ 3
Fixed rate, note (percent)	5.41%

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Long-Term Debt - Additional information (Detail) - USD ($)	1 Months Ended				3 Months Ended
	Dec. 31, 2016	Oct. 31, 2015	Jul. 31, 2015	Jun. 30, 2015	Apr. 01, 2017	Jul. 04, 2015
Debt Instrument [Line Items]
Long-term debt	$ 166,896,000				$ 162,156,000
Parsons, KS | Municipal Bonds
Debt Instrument [Line Items]
Revenue bonds purchased	9,900,000
Parsons, KS
Debt Instrument [Line Items]
Proceeds received from sale of property to be leased back	9,900,000
Total lease liability from assets sold	$ 9,900,000
Interest rate cap
Debt Instrument [Line Items]
Interest rate hedge		$ 135,000,000
Payments made for interest rate hedge		$ 1,000,000
New Credit Facilities | First two years
Debt Instrument [Line Items]
Prepayment amount of principal outstanding					5.00%
New Credit Facilities | Third year
Debt Instrument [Line Items]
Prepayment amount of principal outstanding					7.50%
New Credit Facilities | Fourth and fifth years
Debt Instrument [Line Items]
Prepayment amount of principal outstanding					10.00%
New Credit Facilities | Minimum
Debt Instrument [Line Items]
Commitment fee					0.175%
New Credit Facilities | Maximum
Debt Instrument [Line Items]
Commitment fee					0.30%
New Credit Facilities | LIBOR | Minimum
Debt Instrument [Line Items]
Spread on variable rate					1.50%
New Credit Facilities | LIBOR | Maximum
Debt Instrument [Line Items]
Spread on variable rate					2.75%
New Credit Facilities | Federal Funds Rate
Debt Instrument [Line Items]
Spread on base rate					0.50%
New Credit Facilities | Eurodollar Rate
Debt Instrument [Line Items]
Spread on base rate					1.00%
New Credit Facilities | Base Rate | Minimum
Debt Instrument [Line Items]
Spread on variable rate					0.50%
New Credit Facilities | Base Rate | Maximum
Debt Instrument [Line Items]
Spread on variable rate					1.75%
Senior Secured Term Loan | New Credit Facilities
Debt Instrument [Line Items]
Debt amount				$ 275,000,000.0
Term				5 years
Borrowings from senior secured debt			$ 275,000,000
Repayments of long-term debt					$ 5,000,000
Senior Secured Term Loan | Existing Credit Facilities
Debt Instrument [Line Items]
Cash paid on extinguishment of debt						$ 80,000,000
Unamortized debt issuance costs expensed						2,800,000
New Revolving Credit Facility | New Credit Facilities
Debt Instrument [Line Items]
Debt amount				$ 200,000,000.0
Proceeds from revolving credit facility						65,000,000
Debt issuance costs						$ 4,800,000
Repayments of long-term debt			65,000,000
Remaining borrowing capacity					199,000,000
Outstanding standby letters of credit					$ 1,000,000
Existing Notes | Existing Credit Facilities
Debt Instrument [Line Items]
Unamortized debt issuance costs expensed			2,100,000
Long-term debt			200,000,000
Call premium incurred			$ 9,800,000

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Shareholders' Equity (Detail) - shares	Apr. 01, 2017	Dec. 31, 2016
Equity [Abstract]
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0

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Employee Benefit Plans - Components of Net Periodic Pension Cost for Defined Benefit Pension Plan and Retirement Plan (Detail) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Compensation and Retirement Disclosure [Abstract]
Service cost	$ 133	$ 133
Interest cost	332	342
Expected return on plan assets	(383)	(370)
Amortization of actuarial losses	203	191
Net periodic pension cost	$ 285	$ 296

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Employee Benefit Plans - Reclassifications from Accumulated Other Comprehensive Income (Detail) $ in Thousands	3 Months Ended
	Apr. 01, 2017 USD ($)
Compensation and Retirement Disclosure [Abstract]
Amortization of actuarial loss - total before tax	$ (203)
Tax benefit	63
Net of tax	$ (140)

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Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 392	$ 7,159
Effective income tax expense (benefit) rate	15.60%	34.60%
Gain on Divestitures	$ 0	$ 18,815
Unrecognized tax benefits	3,400		$ 3,000
Expected reduction in unrecognized tax benefits	$ 2,100

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Contingencies (Detail) - Structural Systems - USD ($) $ in Millions	Apr. 01, 2017	Dec. 31, 2016
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

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Business Segment Information - Additional Information (Detail)	3 Months Ended
	Apr. 01, 2017 Segment
Segment Reporting [Abstract]
Number of reportable segments	2

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Business Segment Information - Financial Information by Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2017	Apr. 02, 2016
Segment Reporting Information [Line Items]
Net Revenues	$ 136,297	$ 142,148
Segment Operating Income	9,736	9,111
Operating Income	4,100	4,293
Depreciation and Amortization Expenses	5,782	5,855
Capital Expenditures	6,621	2,401
Operating Segments | Structural Systems
Segment Reporting Information [Line Items]
Net Revenues	57,575	64,017
Segment Operating Income	2,632	2,724
Depreciation and Amortization Expenses	2,352	2,057
Capital Expenditures	5,188	2,054
Operating Segments | Electronic Systems
Segment Reporting Information [Line Items]
Net Revenues	78,722	78,131
Segment Operating Income	7,104	6,387
Depreciation and Amortization Expenses	3,423	3,761
Capital Expenditures	1,433	347
Corporate Administration
Segment Reporting Information [Line Items]
Corporate General and Administrative Expenses	(5,636)	(4,818)
Depreciation and Amortization Expenses	$ 7	$ 37

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Business Segment Information - Segment Assets (Detail) - USD ($) $ in Thousands	Apr. 01, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Total Assets	$ 517,971	$ 515,429
Total Goodwill and Intangibles	181,918	184,127
Operating Segments | Structural Systems
Segment Reporting Information [Line Items]
Total Assets	185,073	175,580
Total Goodwill and Intangibles	3,517	3,745
Operating Segments | Electronic Systems
Segment Reporting Information [Line Items]
Total Assets	319,924	325,780
Total Goodwill and Intangibles	178,401	180,382
Corporate Administration
Segment Reporting Information [Line Items]
Total Assets	$ 12,974	$ 14,069