Document and Entity Information - shares	3 Months Ended
Document and Entity Information - shares	Apr. 02, 2016	Apr. 27, 2016
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Apr. 02, 2016
Document Fiscal Year Focus	2016
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		11,147,804

Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Apr. 02, 2016	Dec. 31, 2015
Current Assets
Cash and cash equivalents	$ 6,439	$ 5,454
Accounts receivable, net of allowance for doubtful accounts of $294 and $359 at April 2, 2016 and December 31, 2015, respectively	77,664	77,089
Inventories	127,080	115,404
Production cost of contracts	9,667	10,290
Other current assets	8,441	13,389
Assets held for sale	0	41,636
Total Current Assets	229,291	263,262
Property and equipment, net of accumulated depreciation of $131,863 and $128,533 at April 2, 2016 and December 31, 2015, respectively	95,602	96,551
Goodwill	82,554	82,554
Intangibles, net	108,359	110,621
Deferred income taxes	353	324
Other assets	3,215	3,769
Total Assets	519,374	557,081
Current Liabilities
Current portion of long-term debt	19	26
Accounts payable	47,418	40,343
Accrued liabilities	42,496	36,458
Liabilities held for sale	0	6,780
Total Current Liabilities	89,933	83,607
Long-term debt, less current portion	186,032	240,661
Deferred income taxes	25,052	26,528
Other long-term liabilities	17,692	18,954
Total Liabilities	$ 318,709	$ 369,750
Commitments and contingencies (Notes 11, 13)
Shareholders’ Equity
Common stock - $0.01 par value; 35,000,000 shares authorized; 11,147,366 and 11,084,318 issued at April 2, 2016 and December 31, 2015, respectively	$ 111	$ 111
Additional paid-in capital	75,269	75,200
Retained earnings	131,173	117,623
Accumulated other comprehensive loss	(5,888)	(5,603)
Total Shareholders’ Equity	200,665	187,331
Total Liabilities and Shareholders’ Equity	$ 519,374	$ 557,081

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Apr. 02, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 294	$ 359
Property and equipment, accumulated depreciation	$ 131,863	$ 128,533
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	35,000,000	35,000,000
Common stock, shares issued	11,147,366	11,084,318

Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015
Income Statement [Abstract]
Net Revenues	$ 142,148	$ 172,920
Cost of Sales	115,179	146,159
Gross Profit	26,969	26,761
Selling, General and Administrative Expenses	22,676	23,134
Operating Income	4,293	3,627
Interest Expense	(2,399)	(6,661)
Gain on Divestitures	18,815	0
Income (Loss) Before Taxes	20,709	(3,034)
Income Tax Expense (Benefit)	7,159	(1,061)
Net Income (Loss)	$ 13,550	$ (1,973)
Earnings (loss) per share
Basic (loss) earnings per share (in dollars per share)	$ 1.22	$ (0.18)
Diluted (loss) earnings per share (in dollars per share)	$ 1.21	$ (0.18)
Weighted-Average Number of Common Shares Outstanding
Basic (in shares)	11,100	10,964
Diluted (in shares)	11,240	10,964

Condensed Consolidated Statements of Comprehensive (Loss) Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015
Statement of Comprehensive Income [Abstract]
Net Income (Loss)	$ 13,550	$ (1,973)
Other Comprehensive (Loss) Income
Amortization of actuarial losses and prior service costs, net of tax benefit of approximately $68 and $97 for the three months ended April 2, 2016 and April 4, 2015, respectively	123	125
Change in unrealized gains and losses on cash flow hedges, net of tax benefit (expense) of $239 and zero for the three months ended April 2, 2016 and April 4, 2015, respectively	(408)	0
Other Comprehensive (Loss) Income	(285)	125
Comprehensive Income (Loss)	$ 13,265	$ (1,848)

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

Condensed Consolidated Statements of Comprehensive (Loss) Income (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015
Statement of Comprehensive Income [Abstract]
Amortization of actuarial loss and prior service costs, tax benefits	$ 68	$ 97
Change in unrealized gains and losses on cash flow hedges, tax benefit	$ 239	$ 0

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015
Cash Flows from Operating Activities
Net Income (Loss)	$ 13,550	$ (1,973)
Adjustments to Reconcile Net (Loss) Income to Net Cash Provided by (Used in) Operating Activities
Depreciation and amortization	5,855	6,914
Gain on divestitures	(18,815)	0
Stock-based compensation expense	1,000	1,624
Deferred income taxes	(2,562)	751
Excess tax benefits from stock-based compensation	0	(109)
Recovery of doubtful accounts	(65)	(62)
Other	(1,370)	643
Changes in Assets and Liabilities:
Accounts receivable	1,972	210
Inventories	(12,366)	1,399
Production cost of contracts	429	95
Other assets	7,084	4,412
Accounts payable	7,303	342
Accrued and other liabilities	3,437	(10,761)
Net Cash Provided by Operating Activities	5,452	3,485
Cash Flows from Investing Activities
Purchases of property and equipment	(3,801)	(5,572)
Proceeds from sale of assets	0	9
Proceeds from divestitures	55,272	0
Net Cash Provided by (Used in) Investing Activities	51,471	(5,563)
Cash Flows from Financing Activities
Repayments of senior unsecured notes and term loans	(55,000)	(10,000)
Repayments of other debt	(7)	(6)
Excess tax benefits from stock-based compensation	0	109
Net proceeds from issuance of common stock under stock plans	(931)	(947)
Net Cash Used in Financing Activities	(55,938)	(10,844)
Net Increase (Decrease) in Cash and Cash Equivalents	985	(12,922)
Cash and Cash Equivalents at Beginning of Period	5,454	45,627
Cash and Cash Equivalents at End of Period	$ 6,439	$ 32,705

Summary of Significant Accounting Policies

3 Months Ended

Apr. 02, 2016

Accounting Policies [Abstract]

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, natural resources, 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, natural resources, 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’s products are used on commercial aircraft, military fixed-wing aircraft and military and commercial rotary-wing aircraft. All reportable operating segments follow the same accounting principles.

Basis of Presentation

The unaudited condensed consolidated financial statements include the accounts of Ducommun Incorporated and its subsidiaries (“Ducommun,” the “Company,” “we,” “us” or “our”), after eliminating intercompany balances and transactions. The December 31, 2015 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, 2015. 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, 2015.

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 2, 2016 are not necessarily indicative of the results to be expected for the full year ending December 31, 2016.

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 required 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 2, 2016		April 4, 2015
Interest paid	$	2,081	$	11,397
Taxes paid	—		—
Non-cash activities:
Purchases of property and equipment not paid	215		714

Earnings (Loss) Per Share

Basic earnings (loss) per share are computed by dividing income (loss) 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 plus income associated with dilutive securities 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 earnings (loss), weighted-average number of common shares outstanding used to compute earnings (loss) per share were as follows:



	(In thousands, except per share data) Three Months Ended
	April 2, 2016		April 4, 2015
Net earnings (loss)	$	13,550	$	(1,973	)
Weighted-average number of common shares outstanding
Basic weighted-average common shares outstanding	11,100		10,964
Dilutive potential common shares	140		—
Diluted weighted-average common shares outstanding	11,240		10,964
Earnings (loss) per share
Basic	$	1.22	$	(0.18	)
Diluted	$	1.21	$	(0.18	)

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.

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 equivalents consist of highly liquid instruments purchased with original maturities of three months or less. Our cash accounts are not reduced for checks written until the checks are presented for payment and paid by our bank. 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 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 2, 2016, 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 on the 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 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 market with cost being determined on a first-in, first-out basis. Market value for raw materials is based on replacement cost and for other inventory classifications it is 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 an allowance 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 long-lived assets within production costs of contracts for impairment on an annual basis (in the fourth quarter for us) or when events or changes in circumstances indicate that the carrying value of our long-lived assets may not be recoverable. An impairment charge is recognized when the carrying value of an asset exceeds the projected undiscounted future cash flows expected from its use and disposal.

Assets Held For Sale

In the fourth quarter of 2015, we made the decision to sell our Huntsville, Alabama and Iuka, Mississippi (collectively, “Miltec”) operations and our Pittsburgh, Pennsylvania operation, both of which were part of our Electronic Systems operating segment, and as a result, we met the criteria for assets held for sale. However, the proposed sale of these two operations did not represent a strategic shift in our business and thus, were included in the ongoing operating results in the consolidated statements of operations for all periods presented.

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 approximately $38.5 million in cash, subject to finalization of the working capital amount. We divested this facility as part of our overall strategy to streamline operations, which includes consolidating our footprint. Preliminary net assets sold were approximately $24.0 million, net liabilities sold were approximately $4.0 million, and direct transaction costs incurred during the current period were approximately $0.2 million, resulting in a gain on divestiture of approximately $18.3 million.

In February 2016, we entered into an agreement to sell our Miltec operation for a preliminary sales price of approximately $14.6 million, in cash, subject to post-closing adjustments. We divested this facility as part of our overall strategy to streamline operations, which includes consolidating our footprint. We completed the sale on March 25, 2016. Preliminary net assets sold were approximately $15.4 million, net liabilities sold were approximately $2.6 million, and direct transaction costs incurred during the current period were approximately $1.3 million, resulting in a gain on divestiture of approximately $0.5 million.

The carrying values of the major classes of assets and liabilities related to these assets held for sale were as follows:



	(In thousands)
	April 2, 2016		December 31, 2015
Assets
Accounts receivable (less allowance for doubtful accounts of zero and $24 at April 2, 2016 and December 31, 2015, respectively)	$	—	$	9,395
Inventory	—		6,453
Deferred income taxes	—		1,246
Other current assets	—		3,315
Total current assets	—		20,409
Property and equipment, net of accumulated depreciation of zero and $8,509 at April 2, 2016 and December 31, 2015, respectively	—		1,941
Goodwill	—		17,772
Other intangible assets	—		1,514
	$	—	$	41,636
Liabilities
Accounts payable	$	—	$	4,836
Accrued liabilities	—		1,944
	$	—	$	6,780

Accumulated Other Comprehensive Loss

Accumulated other comprehensive loss, as reflected in the condensed consolidated balance sheets under the equity section, was comprised of cumulative pension and retirement liability adjustments and changes in the fair value, net of tax, of a derivative instrument that is highly effective and that is designated and qualifies as a cash flow hedge.

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 2016

In August 2015, the FASB issued ASU 2015-15, “Imputation of Interest (Subtopic 835-30)” (“ASU 2015-15”), which provides guidance on the presentation and subsequent measurement of debt issuance costs associated with line-of-credit arrangements. Other guidance does not address presentation or subsequent measurement of debt issuance costs related to line-of-credit arrangements. Thus, the SEC staff would not object to an entity deferring and presenting debt issuance costs as an asset and subsequently amortizing the deferred debt issuance costs ratably over the term of the line-of-credit arrangement, regardless of whether there are any outstanding borrowings on the line-of-credit arrangement. The new guidance is effective for us beginning January 1, 2016. We did not have debt issuance costs associated with line-of-credit arrangements and thus, the adoption of this new guidance did not have a significant impact on our condensed consolidated financial statements.

In June 2015, the FASB issued ASU 2015-10, “Technical Corrections and Improvements” (“ASU 2015-10”), which covers a wide range of Topics in the Codification. The amendments in ASU 2015-10 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 on most entities. The amendments in this new guidance that require transition guidance are effective for us beginning January 1, 2016. The adoption of this standard did not have a significant impact on our condensed consolidated financial statements.

In April 2015, the FASB issued ASU 2015-05, “Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Fees Paid in a Cloud Computing Arrangement” (“ASU 2015-05”), which provides guidance on fees paid by a customer in a cloud computing arrangement. If a cloud computing arrangement includes a software license, the customer should account for the software license element of the arrangement consistent with the acquisition of other software licenses. If a cloud computing arrangement does not include a software license, the customer should account for the arrangement as a service contract. The new guidance is effective for us beginning January 1, 2016. The adoption of this standard did not have a significant impact on our condensed consolidated financial statements.

In April 2015, the FASB issued ASU 2015-03, “Interest - Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs” (“ASU 2015-03”), which changes the presentation of debt issuance costs in financial statements. Under ASU 2015-03, an entity presents such costs in the balance sheet as a direct deduction from the related debt liability rather than as an asset. Amortization of those costs is reported as interest expense. The new guidance is effective for us beginning January 1, 2016. As a result of the adoption of this new guidance, we reclassed approximately $4.0 million of debt issuance costs against approximately $190.0 million of total debt as of April 2, 2016.

In January 2015, the FASB issued ASU 2015-01, “Income Statement - Extraordinary and Unusual Items (Subtopic 225-20)” (“ASU 2015-01”), which eliminates from U.S. GAAP the concept of extraordinary items. Current guidance requires separate classification, presentation, and disclosure of extraordinary events and transactions. In addition, an event or transaction is presumed to be an ordinary and usual activity of the reporting entity unless evidence clearly supports its classification as an extraordinary item. The new guidance is effective for us beginning January 1, 2016. The adoption of this standard did not have a significant impact on our condensed consolidated financial statements.

In June 2014, the FASB issued ASU 2014-12, “Compensation - Stock Compensation (Topic 718): Accounting for Share-Based Payments When the Terms of an Award Provide that a Performance Target Could be Achieved after the Requisite Service Period” (“ASU 2014-12”), which requires that a performance target that affects vesting, and that could be achieved after the requisite service period, be treated as a performance condition. Thus, the performance target should not be reflected in estimating the grant date fair value of the award. This update further clarifies that compensation cost should be recognized in the period in which it becomes probable that the performance target will be achieved and should represent the compensation cost attributable to the period(s) for which the requisite service has already been rendered. The new guidance is effective for us beginning January 1, 2016. The adoption of this standard did not have a material impact on our condensed consolidated financial statements.

Recently Issued Accounting Standards

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 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 is effective for fiscal years beginning after December 15, 2016, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2017. Early adoption is permitted in any interim or annual reporting period. We are evaluating the impact of this standard but currently do not anticipate it will 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 is effective for fiscal years beginning after December 15, 2016, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2017. Early adoption is permitted as of the beginning of an interim period on a modified retrospective basis. We are evaluating the impact of this standard but currently do not anticipate it will have a significant impact on our condensed consolidated financial statements.

In February 2016, the FASB issued ASU 2016-02, “Leases (Topic 842)” (“ASU 2016-02”), which requires lessees to present right-of-use assets and lease liabilities on the balance sheet. Lessees are required to apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. 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 but currently anticipate it will impact 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 and net realizable value. Subsequent measurement is unchanged for inventory measured using last-in, first-out (“LIFO”) or the retail inventory value. The new guidance is effective for fiscal years beginning after December 15, 2016, including interim periods within those fiscal years, which will be our interim period beginning January 1, 2017. Early adoption is permitted as of the beginning of an interim or annual reporting period. We are evaluating the impact of this standard but currently do not anticipate it will have a significant impact on our condensed consolidated financial statements.

In August 2014, the FASB issued ASU 2014-15, “Presentation of Financial Statements - Going Concern (Subtopic 205-40): Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern” (“ASU 2014-15”), which defines management’s responsibility to evaluate whether there is substantial doubt about a company’s ability to continue as a going concern. ASU 2014-15 also provide principles and definitions that are intended to reduce diversity in the timing and content of disclosures in the financial statement footnotes. The new guidance is effective for annual periods ending after December 15, 2016, which will be our year ending December 31, 2016, and interim periods beginning after December 15, 2016, which will be our interim period beginning January 1, 2017. Early adoption is permitted. We are evaluating the impact of this standard but currently do not anticipate it will have a significant impact on 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 defer 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.

Restructuring Activities

3 Months Ended

Apr. 02, 2016

Restructuring and Related Activities [Abstract]

Restructuring Activities

Summary of 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 by December 2015, closure of the Houston facility that was completed by 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 a cumulative total of approximately $2.2 million for severance and benefits and loss on early exit from leases. We do not expect to record additional accruals related to these restructuring plans.

As of April 2, 2016, we have accrued approximately $0.5 million for severance and benefits and early exit from lease in the Electronic Systems segment and approximately $1.0 million for severance and benefits and loss on early exit from lease in the Structural Systems segment, all of which were charged to selling, general and administrative expenses.

Our restructuring activities in the three months ended April 2, 2016 were as follows (in thousands):



	December 31, 2015		Three Months Ended April 2, 2016							April 2, 2016
	Balance		Charges		Cash Payments			Change in Estimates		Balance
Severance and benefits	$	722	$	22	$	(335	)	$	—	$	409
Lease termination	1,181		—		(130		)	—		1,051
Ending balance	$	1,903	$	22	$	(465	)	$	—	$	1,460

Fair Value Measurements

3 Months Ended

Apr. 02, 2016

Fair Value Disclosures [Abstract]

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 2, 2016								As of December 31, 2015
	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⁾	$	6,342	$	—	$	—	$	6,342	$	4,587	$	—	$	—	$	4,587
Interest rate cap hedges⁽²⁾	—		391		—		391		—		963		—		963
Total Assets	$	6,342	$	391	$	—	$	6,733	$	4,587	$	963	$	—	$	5,550

(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 2, 2016.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Financial Instruments

3 Months Ended

Apr. 02, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

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 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 2, 2016, the interest rate cap hedges continued to be highly effective and approximately $0.4 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 2, 2016. See Note 8.

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



	(In thousands) April 2, 2016				(In thousands) December 31, 2015
	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	$	—	$	391	$	1	$	962

Total Derivatives	$	—	$	391	$	1	$	962

- Definition

The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 45
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 19: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
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+ Details

Inventories

3 Months Ended

Apr. 02, 2016

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following:



	(In thousands)
	April 2, 2016		December 31, 2015
Raw materials and supplies	$	63,919	$	61,840
Work in process	59,088		49,299
Finished goods	10,180		10,073
	133,187		121,212
Less progress payments	6,107		5,808
Total	$	127,080	$	115,404

We net advances from customers related to inventory purchases against inventories in the consolidated balance sheets.

Goodwill	3 Months Ended
Goodwill	Apr. 02, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	Goodwill Gross goodwill and accumulated goodwill impairment were approximately $164.3 million and $81.7 million, respectively, as of April 2, 2016 and December 31, 2015. The goodwill is related to the Electronic Systems segment. Certain factors may result in the need to perform an impairment test prior to the fourth quarter, which is when we perform our annual goodwill impairment test, 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 had 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 2, 2016. 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.

Accrued Liabilities

3 Months Ended

Apr. 02, 2016

Payables and Accruals [Abstract]

Accrued Liabilities

The components of accrued liabilities were as follows:



	(In thousands)
	April 2, 2016		December 31, 2015
Accrued compensation	$	17,602	$	13,521
Accrued income tax and sales tax	5,358		1,513
Customer deposits	2,275		1,758
Interest payable	103		58
Provision for forward loss reserves	10,194		11,925
Other	6,964		7,683
Total	$	42,496	$	36,458

Long-Term Debt

3 Months Ended

Apr. 02, 2016

Debt Disclosure [Abstract]

Long-Term Debt

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



	(In thousands)
	April 2, 2016			December 31, 2015
New term loan	$	190,000		$	245,000
Other debt (fixed 5.41%)	19			26
Total debt	190,019			245,026
Less current portion	19			26
Total long-term debt	$	190,000		$	245,000
Less debt issuance costs	$	3,968		$	4,339
Total long-term debt, net of debt issuance costs	$	186,032		$	240,661
Weighted-average interest rate	3.33		%	3.07		%

In June 2015, we completed a new credit facility to replace the Existing Credit Facilities. The new credit facility consisted of a $275.0 million senior secured term loan, which matures on June 26, 2020 (“New Term Loan”), and a $200.0 million senior secured revolving credit facility (“New Revolving Credit Facility”), which matures on June 26, 2020 (collectively, the “New Credit Facilities”). The New 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 New 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 New 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 New Revolving Credit Facility are due on June 26, 2020. As of April 2, 2016, we were in compliance with all covenants required under the New 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 New Credit Facilities in second quarter 2015, we drew down approximately $65.0 million on the New Revolving Credit Facility and used those proceeds along with current cash on hand to extinguish the existing senior secured term loan of approximately $80.0 million. We expensed the unamortized debt issuance costs related to the existing senior secured term loan of approximately $2.8 million as part of extinguishing the existing senior secured term loan in second quarter 2015. We also incurred approximately $4.8 million of debt issuance costs related to the New Credit Facilities and those costs were capitalized and are being amortized over the five year life of the New 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 New Term Loan in the amount of $275.0 million. Along with the call notice amount and paying the call premium of approximately $9.8 million, we also paid down the $65.0 million outstanding on the New Revolving Credit Facility. We expensed the call premium of approximately $9.8 million and debt issuance costs related to the Existing Notes of approximately $2.1 million upon extinguishing the Existing Notes in July 2015.

Further, we made voluntary principal prepayments of approximately $55.0 million under the New Term Loan during the three months ended April 2, 2016.

As of April 2, 2016, we had approximately $198.5 million of unused borrowing capacity under the New Revolving Credit Facility, after deducting approximately $1.5 million for standby letters of credit.

The New 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 New 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 approximately $135.0 million of our debt. We paid a total of approximately $1.0 million in connection with entering into the interest rate cap hedges. See Note 4 for further discussion.

Shareholders' Equity	3 Months Ended
Shareholders' Equity	Apr. 02, 2016
Equity [Abstract]
Shareholders' Equity	Shareholders’ Equity We are authorized to issue five million shares of preferred stock. At April 2, 2016 and December 31, 2015, no preferred shares were issued or outstanding.

- Definition

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(d),(e))
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.5-02.29-31)
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Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Preferred Stock
-URI http://asc.fasb.org/extlink&oid=6521494

Reference 12: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 505
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Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section E

Reference 15: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section C

+ Details

Employee Benefit Plans

3 Months Ended

Apr. 02, 2016

Compensation and Retirement Disclosure [Abstract]

Employee Benefit Plans

The components of net periodic pension expense were as follows:



	(In thousands)
	Three Months Ended
	April 2, 2016			April 4, 2015
Service cost	$	133		$	196
Interest cost	342			338
Expected return on plan assets	(370		)	(374		)
Amortization of actuarial losses	191			222
Net periodic pension cost	$	296		$	382

The components of the reclassifications of net actuarial losses from accumulated other comprehensive loss to net income for the three months ended April 2, 2016 were as follows:



	(In thousands)
	Three Months Ended
	April 2, 2016
Amortization of actuarial losses - total before tax ⁽¹⁾	$	(191	)
Tax benefit	68
Net of tax	$	(123	)


(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.

Indemnifications	3 Months Ended
Indemnifications	Apr. 02, 2016
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 varies and, in many cases is indefinite but subject to statute 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 in the accompanying condensed consolidated balance sheets.

Income Taxes	3 Months Ended
Income Taxes	Apr. 02, 2016
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 allowance 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 approximately $7.2 million (effective tax rate of 35%) for the three months ended April 2, 2016 compared to an income tax benefit of approximately $(1.1) million (effective tax benefit rate of 35%) for the three months ended April 4, 2015. The increase in the effective tax rate for the three months ended April 2, 2016 compared to the three months ended April 4, 2015 was primarily due to pretax income in the current three month period mainly driven by an approximately $18.8 million gain on divestitures of our Pittsburgh and Miltec operations. The increase was partially offset by the release of a valuation allowance related to a capital loss carryforward that can be used to offset the net capital gain generated from the divestitures and the U.S. Federal research and development tax credit that was permanently extended in the fourth quarter of 2015. Our unrecognized tax benefits were approximately $3.0 million as of both April 2, 2016 and December 31, 2015. Approximately $2.1 million, if recognized, would affect the annual income tax rate. We do not anticipate any significant increases or decreases to our unrecognized tax benefits in the next twelve months.

Contingencies	3 Months Ended
Contingencies	Apr. 02, 2016
Commitments and Contingencies Disclosure [Abstract]
Contingencies	Contingencies On October 8, 2014, the United States District Court for the District of Kansas (the “District Court”) granted summary judgment in favor of The Boeing Company (“Boeing”) and Ducommun and dismissed the lawsuit entitled United States of America ex rel Taylor Smith, Jeannine Prewitt and James Ailes v. The Boeing Company and Ducommun Inc.. The lawsuit was a qui tam action brought by three former Boeing employees (“Relators”) against Boeing and Ducommun on behalf of the United States of America for violations of the United States False Claims Act. Relators have appealed the dismissal to the Tenth Circuit Court of Appeals. The lawsuit alleged that Ducommun sold unapproved parts to Boeing which were installed by Boeing in aircraft ultimately sold to the United States Government and that Boeing and Ducommun submitted or caused to be submitted false claims for payment relating to 21 aircraft sold by Boeing to the United States Government. The lawsuit sought damages in an amount equal to three times the amount of damages the United States Government sustained because of the defendants’ actions, plus a civil penalty of $10 thousand for each false claim made on or before September 28, 1999, and $11 thousand for each false claim made on or after September 28, 1999, together with attorneys’ fees and costs. The Relators claimed that the United States Government sustained damages of $1.6 billion (the contract purchase price of 21 aircraft) or, alternatively, $851 million (the alleged diminished value and increased maintenance cost of the 21 aircraft). After investigating the allegations, the United States Government declined to intervene in the lawsuit. 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 a reserve for its estimated liability for such investigation and corrective action of approximately $1.5 million at April 2, 2016, which is reflected in other long-term liabilities on its consolidated balance sheet. 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 approximately $0.4 million and $3.1 million. Ducommun has established a reserve for its estimated liability, in connection with the West Covina landfill of approximately $0.4 million at April 2, 2016, which is reflected in other long-term liabilities on its 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.

Business Segment Information

3 Months Ended

Apr. 02, 2016

Segment Reporting [Abstract]

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 2, 2016			April 4, 2015
Net Revenues
Structural Systems	$	64,017		$	72,058
Electronic Systems	78,131			100,862
Total Net Revenues	$	142,148		$	172,920
Segment Operating Income
Structural Systems	$	2,724		$	2,138
Electronic Systems	7,053			6,285
	9,777			8,423
Corporate General and Administrative Expenses ⁽¹⁾	(5,484		)	(4,796		)
Operating Income	$	4,293		$	3,627
Depreciation and Amortization Expenses
Structural Systems	$	2,057		$	2,513
Electronic Systems	3,761			4,359
Corporate Administration	37			42
Total Depreciation and Amortization Expenses	$	5,855		$	6,914
Capital Expenditures
Structural Systems	$	2,054		$	3,334
Electronic Systems	347			1,490
Corporate Administration	—			4
Total Capital Expenditures	$	2,401		$	4,828


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

Segment assets include assets directly identifiable with each segment. Corporate assets include assets not specifically identified with a business segment, including cash. Our segment assets are as follows:



	(In thousands)
	April 2, 2016		December 31, 2015
Total Assets
Structural Systems	$	182,157	$	179,134
Electronic Systems	325,987		363,227
Corporate Administration	11,230		14,720
Total Assets	$	519,374	$	557,081
Goodwill and Intangibles
Structural Systems	$	4,586	$	4,866
Electronic Systems	186,327		207,595
Total Goodwill and Intangibles	$	190,913	$	212,461

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8981-108599

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+ Details

Summary of Significant Accounting Policies (Policies)

3 Months Ended

Apr. 02, 2016

Accounting Policies [Abstract]

Description of Business

Basis of Presentation

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

Use of Estimates

Earnings (Loss) Per Share

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



	(In thousands, except per share data) Three Months Ended
	April 2, 2016		April 4, 2015
Net earnings (loss)	$	13,550	$	(1,973	)
Weighted-average number of common shares outstanding
Basic weighted-average common shares outstanding	11,100		10,964
Dilutive potential common shares	140		—
Diluted weighted-average common shares outstanding	11,240		10,964
Earnings (loss) per share
Basic	$	1.22	$	(0.18	)
Diluted	$	1.21	$	(0.18	)

Fair Value

Cash and Cash Equivalents

Derivatives Instruments

Derivative Instruments

Inventories

Production Cost of Contracts

Assets Held For Sale

Accumulated Other Comprehensive Loss

Provision for Estimated Losses on Contracts

Recent Accounting Pronouncements

New Accounting Guidance Adopted in 2016

Recently Issued Accounting Standards

Summary of Significant Accounting Policies (Tables)

3 Months Ended

Apr. 02, 2016

Accounting Policies [Abstract]

Schedule of Supplemental Cash Flow

Supplemental Cash Flow Information



	(In thousands) Three Months Ended
	April 2, 2016		April 4, 2015
Interest paid	$	2,081	$	11,397
Taxes paid	—		—
Non-cash activities:
Purchases of property and equipment not paid	215		714

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

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



	(In thousands, except per share data) Three Months Ended
	April 2, 2016		April 4, 2015
Net earnings (loss)	$	13,550	$	(1,973	)
Weighted-average number of common shares outstanding
Basic weighted-average common shares outstanding	11,100		10,964
Dilutive potential common shares	140		—
Diluted weighted-average common shares outstanding	11,240		10,964
Earnings (loss) per share
Basic	$	1.22	$	(0.18	)
Diluted	$	1.21	$	(0.18	)

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

Disclosure of Long Lived Assets Held-for-sale

The carrying values of the major classes of assets and liabilities related to these assets held for sale were as follows:



	(In thousands)
	April 2, 2016		December 31, 2015
Assets
Accounts receivable (less allowance for doubtful accounts of zero and $24 at April 2, 2016 and December 31, 2015, respectively)	$	—	$	9,395
Inventory	—		6,453
Deferred income taxes	—		1,246
Other current assets	—		3,315
Total current assets	—		20,409
Property and equipment, net of accumulated depreciation of zero and $8,509 at April 2, 2016 and December 31, 2015, respectively	—		1,941
Goodwill	—		17,772
Other intangible assets	—		1,514
	$	—	$	41,636
Liabilities
Accounts payable	$	—	$	4,836
Accrued liabilities	—		1,944
	$	—	$	6,780

Restructuring Activities (Tables)

3 Months Ended

Apr. 02, 2016

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Activities

Our restructuring activities in the three months ended April 2, 2016 were as follows (in thousands):



	December 31, 2015		Three Months Ended April 2, 2016							April 2, 2016
	Balance		Charges		Cash Payments			Change in Estimates		Balance
Severance and benefits	$	722	$	22	$	(335	)	$	—	$	409
Lease termination	1,181		—		(130		)	—		1,051
Ending balance	$	1,903	$	22	$	(465	)	$	—	$	1,460

Fair Value Measurements (Tables)

3 Months Ended

Apr. 02, 2016

Fair Value Disclosures [Abstract]

Schedule of Fair Value Measurements



	As of April 2, 2016								As of December 31, 2015
	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⁾	$	6,342	$	—	$	—	$	6,342	$	4,587	$	—	$	—	$	4,587
Interest rate cap hedges⁽²⁾	—		391		—		391		—		963		—		963
Total Assets	$	6,342	$	391	$	—	$	6,733	$	4,587	$	963	$	—	$	5,550

(1) Included as cash and cash equivalents.

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

Financial Instruments (Tables)

3 Months Ended

Apr. 02, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments

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



	(In thousands) April 2, 2016				(In thousands) December 31, 2015
	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	$	—	$	391	$	1	$	962

Total Derivatives	$	—	$	391	$	1	$	962

- Definition

Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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+ Details

Inventories (Tables)

3 Months Ended

Apr. 02, 2016

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories consisted of the following:



	(In thousands)
	April 2, 2016		December 31, 2015
Raw materials and supplies	$	63,919	$	61,840
Work in process	59,088		49,299
Finished goods	10,180		10,073
	133,187		121,212
Less progress payments	6,107		5,808
Total	$	127,080	$	115,404

Long-Term Debt (Tables)

3 Months Ended

Apr. 02, 2016

Debt Disclosure [Abstract]

Long Term Debt Summary

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



	(In thousands)
	April 2, 2016			December 31, 2015
New term loan	$	190,000		$	245,000
Other debt (fixed 5.41%)	19			26
Total debt	190,019			245,026
Less current portion	19			26
Total long-term debt	$	190,000		$	245,000
Less debt issuance costs	$	3,968		$	4,339
Total long-term debt, net of debt issuance costs	$	186,032		$	240,661
Weighted-average interest rate	3.33		%	3.07		%

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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+ Details

Employee Benefit Plans (Tables)

3 Months Ended

Apr. 02, 2016

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 2, 2016			April 4, 2015
Service cost	$	133		$	196
Interest cost	342			338
Expected return on plan assets	(370		)	(374		)
Amortization of actuarial losses	191			222
Net periodic pension cost	$	296		$	382

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 2, 2016 were as follows:



	(In thousands)
	Three Months Ended
	April 2, 2016
Amortization of actuarial losses - total before tax ⁽¹⁾	$	(191	)
Tax benefit	68
Net of tax	$	(123	)


(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.

Business Segment Information (Tables)

3 Months Ended

Apr. 02, 2016

Segment Reporting [Abstract]

Financial Information by Reportable Segment

Financial information by reportable operating segment was as follows:



	(In thousands) Three Months Ended
	April 2, 2016			April 4, 2015
Net Revenues
Structural Systems	$	64,017		$	72,058
Electronic Systems	78,131			100,862
Total Net Revenues	$	142,148		$	172,920
Segment Operating Income
Structural Systems	$	2,724		$	2,138
Electronic Systems	7,053			6,285
	9,777			8,423
Corporate General and Administrative Expenses ⁽¹⁾	(5,484		)	(4,796		)
Operating Income	$	4,293		$	3,627
Depreciation and Amortization Expenses
Structural Systems	$	2,057		$	2,513
Electronic Systems	3,761			4,359
Corporate Administration	37			42
Total Depreciation and Amortization Expenses	$	5,855		$	6,914
Capital Expenditures
Structural Systems	$	2,054		$	3,334
Electronic Systems	347			1,490
Corporate Administration	—			4
Total Capital Expenditures	$	2,401		$	4,828


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

Segment Assets

Corporate assets include assets not specifically identified with a business segment, including cash. Our segment assets are as follows:



	(In thousands)
	April 2, 2016		December 31, 2015
Total Assets
Structural Systems	$	182,157	$	179,134
Electronic Systems	325,987		363,227
Corporate Administration	11,230		14,720
Total Assets	$	519,374	$	557,081
Goodwill and Intangibles
Structural Systems	$	4,586	$	4,866
Electronic Systems	186,327		207,595
Total Goodwill and Intangibles	$	190,913	$	212,461

Summary of Significant Accounting Policies - Additional Information (Detail) $ in Millions	3 Months Ended
	Apr. 02, 2016 USD ($) Segment
Accounting Policies [Abstract]
Number of reportable segments \| Segment	2
Number of operating segments \| Segment	2
Cash equivalent maturity period	3 months
Accounting Standards Update 2015-03 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Debt issuance costs \| $	$ 4.0
Total debt \| $	$ 190.0

Summary of Significant Accounting Policies - Supplemental Cash Flow Items (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015
Supplemental Disclosures of Cash Flow Information
Interest paid	$ 2,081	$ 11,397
Taxes paid	0	0
Non-cash activities:
Purchases of property and equipment not paid	$ 215	$ 714

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. 02, 2016	Apr. 04, 2015
Accounting Policies [Abstract]
Net earnings (loss)	$ 13,550	$ (1,973)
Weighted-average number of common shares outstanding
Basic weighted-average common shares outstanding	11,100	10,964
Dilutive potential common shares	140	0
Diluted weighted-average common shares outstanding	11,240	10,964
Earnings (loss) per share
Basic (in dollars per share)	$ 1.22	$ (0.18)
Diluted (in dollars per share)	$ 1.21	$ (0.18)

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References + Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

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. 02, 2016	Apr. 04, 2015
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	593	916

Summary of Significant Accounting Policies - Assets Held For Sale (Details) - USD ($) $ in Thousands			3 Months Ended
	Mar. 25, 2016	Jan. 22, 2016	Apr. 02, 2016	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on divestiture			$ 18,800
Assets
Total current assets			0	$ 41,636
Assets Disposed of by Sale \| Electronic Systems \| Pittsburgh, Pennsylvania Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration received		$ 38,500
Gain on divestiture		18,300
Transaction costs		200
Assets
Total Assets		24,000
Liabilities
Total Liabilities		$ 4,000
Assets Disposed of by Sale \| Electronic Systems \| Miltec Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration received	$ 14,600
Gain on divestiture	500
Transaction costs	1,300
Assets
Total Assets	15,400
Liabilities
Total Liabilities	$ 2,600
Assets Held For Sale \| Electronic Systems
Assets
Accounts receivable (less allowance for doubtful accounts of zero and $24 at April 2, 2016 and December 31, 2015, respectively)			0	9,395
Allowance for doubtful accounts			0	24
Inventory			0	6,453
Deferred income taxes			0	1,246
Other current assets			0	3,315
Total current assets			0	20,409
Property and equipment, net of accumulated depreciation of zero and $8,509 at April 2, 2016 and December 31, 2015, respectively			0	1,941
Accumulated depreciation			0	8,509
Goodwill			0	17,772
Other intangible assets			0	1,514
Total Assets			0	41,636
Liabilities
Accounts payable			0	4,836
Accrued liabilities			0	1,944
Total Liabilities			$ 0	$ 6,780

Restructuring Activities (Details) - USD ($) $ in Thousands	3 Months Ended
Restructuring Activities (Details) - USD ($) $ in Thousands	Apr. 02, 2016	Apr. 02, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring charges accrued during period	$ 1,903	$ 1,460
Restructuring Reserve [Roll Forward]
Beginning balance	1,903
Gross charges	22
Cash payments	(465)
Change in Estimates	0
Ending balance	1,460
Severance benefits and loss on early exit from leases
Restructuring Cost and Reserve [Line Items]
Restructuring costs incurred to date		2,200
Severance and benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges accrued during period	722	409
Restructuring Reserve [Roll Forward]
Beginning balance	722
Gross charges	22
Cash payments	(335)
Change in Estimates	0
Ending balance	409
Lease termination
Restructuring Cost and Reserve [Line Items]
Restructuring charges accrued during period	1,181	1,051
Restructuring Reserve [Roll Forward]
Beginning balance	1,181
Gross charges	0
Cash payments	(130)
Change in Estimates	0
Ending balance	1,051
Electronic Systems \| Severance and benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges accrued during period	500	500
Restructuring Reserve [Roll Forward]
Ending balance	500
Structural Systems \| Severance and benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges accrued during period	1,000	$ 1,000
Restructuring Reserve [Roll Forward]
Ending balance	$ 1,000

Fair Value Measurements (Details) - Recurring Measurement - USD ($) $ in Thousands	Apr. 02, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	$ 6,342	$ 4,587
Interest rate cap hedges	391	963
Total Assets	6,733	5,550
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	6,342	4,587
Interest rate cap hedges	0	0
Total Assets	6,342	4,587
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market funds	0	0
Interest rate cap hedges	391	963
Total Assets	391	963
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

Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended
Financial Instruments (Details) - USD ($) $ in Thousands	Apr. 02, 2016	Apr. 04, 2015	Dec. 31, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Interest rate cap hedges recognized in other comprehensive income, net of tax	$ (408)	$ 0
Other Current Assets
Derivative [Line Items]
Derivative asset	0		$ 1
Other Long Term Assets
Derivative [Line Items]
Derivative asset	391		962
Cash Flow Hedging \| Designated as Hedging Instrument \| Interest rate cap premiums \| Other Current Assets
Derivative [Line Items]
Derivative asset	0		1
Cash Flow Hedging \| Designated as Hedging Instrument \| Interest rate cap premiums \| Other Long Term Assets
Derivative [Line Items]
Derivative asset	$ 391		$ 962

Inventories (Detail) - USD ($) $ in Thousands	Apr. 02, 2016	Dec. 31, 2015
Inventory Disclosure [Abstract]
Raw materials and supplies	$ 63,919	$ 61,840
Work in process	59,088	49,299
Finished goods	10,180	10,073
Inventory, Gross, Total	133,187	121,212
Less progress payments	6,107	5,808
Total	$ 127,080	$ 115,404

Goodwill (Detail) - Electronic Systems - USD ($) $ in Millions	Apr. 02, 2016	Dec. 31, 2015
Goodwill [Line Items]
Gross goodwill	$ 164.3	$ 164.3
Accumulated goodwill impairment	$ 81.7	$ 81.7

Accrued Liabilities (Detail) - USD ($) $ in Thousands	Apr. 02, 2016	Dec. 31, 2015
Payables and Accruals [Abstract]
Accrued compensation	$ 17,602	$ 13,521
Accrued income tax and sales tax	5,358	1,513
Customer deposits	2,275	1,758
Interest payable	103	58
Provision for forward loss reserves	10,194	11,925
Other	6,964	7,683
Total	$ 42,496	$ 36,458

Long Term Debt - Summary (Detail) - USD ($) $ in Thousands	Apr. 02, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Long-term debt	$ 190,019	$ 245,026
Less current portion	19	26
Total long-term debt	190,000	245,000
Less debt issuance costs	3,968	4,339
Total long-term debt, net of debt issuance costs	$ 186,032	$ 240,661
Weighted-average interest rate (percent)	3.33%	3.07%
Senior Secured Term Loan
Debt Instrument [Line Items]
Long-term debt	$ 190,000	$ 245,000
Other Debt
Debt Instrument [Line Items]
Long-term debt	$ 19	$ 26
Fixed rate, note (percent)	5.41%

Long-Term Debt - Additional information (Detail) - USD ($)	1 Months Ended			3 Months Ended
	Oct. 31, 2015	Jul. 31, 2015	Jun. 30, 2015	Apr. 02, 2016	Jul. 04, 2015	Dec. 31, 2015
Debt Instrument [Line Items]
Long-term debt				$ 186,032,000		$ 240,661,000
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 (percentage)				5.00%
New Credit Facilities \| Third year
Debt Instrument [Line Items]
Prepayment amount of principal outstanding (percentage)				7.50%
New Credit Facilities \| Fourth and fifth years
Debt Instrument [Line Items]
Prepayment amount of principal outstanding (percentage)				10.00%
New Credit Facilities \| Minimum
Debt Instrument [Line Items]
Commitment fee (percentage)				0.175%
New Credit Facilities \| Maximum
Debt Instrument [Line Items]
Commitment fee (percentage)				0.30%
New Credit Facilities \| LIBOR \| Minimum
Debt Instrument [Line Items]
Spread on variable rate (percentage)				1.50%
New Credit Facilities \| LIBOR \| Maximum
Debt Instrument [Line Items]
Spread on variable rate (percentage)				2.75%
New Credit Facilities \| Federal Funds Rate
Debt Instrument [Line Items]
Spread on base rate (percentage)				0.50%
New Credit Facilities \| Eurodollar Rate
Debt Instrument [Line Items]
Spread on base rate (percentage)				1.00%
New Credit Facilities \| Base Rate \| Minimum
Debt Instrument [Line Items]
Spread on variable rate (percentage)				0.50%
New Credit Facilities \| Base Rate \| Maximum
Debt Instrument [Line Items]
Spread on variable rate (percentage)				1.75%
Senior Secured Term Loan \| New Credit Facilities
Debt Instrument [Line Items]
Debt amount			$ 275,000,000.0
Term (in years)			5 years
Borrowings from senior secured debt		$ 275,000,000
Repayments of debt				$ 55,000,000
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
Proceeds from revolving credit facility					65,000,000
Debt issuance costs expensed					$ 4,800,000
Repayments of debt		65,000,000
Remaining borrowing capacity				198,500,000
Outstanding standby letters of credit				$ 1,500,000
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

Shareholders' Equity (Detail) - shares	Apr. 02, 2016	Dec. 31, 2015
Equity [Abstract]
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0

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. 02, 2016	Apr. 04, 2015
Compensation and Retirement Disclosure [Abstract]
Service cost	$ 133	$ 196
Interest cost	342	338
Expected return on plan assets	(370)	(374)
Amortization of actuarial losses	191	222
Net periodic pension cost	$ 296	$ 382

Employee Benefit Plans - Reclassifications from Accumulated Other Comprehensive Income (Detail) $ in Thousands	3 Months Ended
	Apr. 02, 2016 USD ($)
Compensation and Retirement Disclosure [Abstract]
Amortization of actuarial loss - total before tax	$ (191)
Tax benefit	68
Net of tax	$ (123)

Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended
Income Taxes (Detail) - USD ($) $ in Thousands	Apr. 02, 2016	Apr. 04, 2015	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 7,159	$ (1,061)
Effective income tax expense (benefit) rate (percentage)	35.00%	(35.00%)
Gain on divestiture	$ 18,800
Unrecognized tax benefits	3,000		$ 3,000
Expected reduction in unrecognized tax benefits	$ 2,100

Contingencies (Detail) $ in Thousands	3 Months Ended
Contingencies (Detail) $ in Thousands	Apr. 02, 2016 USD ($) AirCraft
Loss Contingencies [Line Items]
Number of Boeing aircraft subject to lawsuit \| AirCraft	21
Civil penalties sought for each false claim made on or before September 28, 1999	$ 10
Civil penalties sought for each false claim made on or after September 28, 1999	11
Damages Equal to Contract Purchase Price
Loss Contingencies [Line Items]
Estimate of possible loss	1,600,000
Damages Equal to Alleged Diminished Value and Increased Maintenance Costs
Loss Contingencies [Line Items]
Estimate of possible loss	851,000
Structural Systems \| El Mirage and Monrovia, California
Loss Contingencies [Line Items]
Reserve for estimated liability	1,500
Structural Systems \| West Covina, California
Loss Contingencies [Line Items]
Reserve for estimated liability	400
Possible Loss, minimum	400
Possible Loss, maximum	$ 3,100

Business Segment Information - Financial Information by Reportable Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2016	Apr. 04, 2015
Segment Reporting Information [Line Items]
Net Revenues	$ 142,148	$ 172,920
Segment Operating Income	9,777	8,423
Operating Income	4,293	3,627
Depreciation and Amortization Expenses	5,855	6,914
Capital Expenditures	2,401	4,828
Operating Segments \| Structural Systems
Segment Reporting Information [Line Items]
Net Revenues	64,017	72,058
Segment Operating Income	2,724	2,138
Depreciation and Amortization Expenses	2,057	2,513
Capital Expenditures	2,054	3,334
Operating Segments \| Electronic Systems
Segment Reporting Information [Line Items]
Net Revenues	78,131	100,862
Segment Operating Income	7,053	6,285
Depreciation and Amortization Expenses	3,761	4,359
Capital Expenditures	347	1,490
Corporate Administration
Segment Reporting Information [Line Items]
Corporate General and Administrative Expenses	(5,484)	(4,796)
Depreciation and Amortization Expenses	37	42
Capital Expenditures	$ 0	$ 4

Business Segment Information - Segment Assets (Detail) - USD ($) $ in Thousands	Apr. 02, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Total Assets	$ 519,374	$ 557,081
Total Goodwill and Intangibles	190,913	212,461
Operating Segments \| Structural Systems
Segment Reporting Information [Line Items]
Total Assets	182,157	179,134
Total Goodwill and Intangibles	4,586	4,866
Operating Segments \| Electronic Systems
Segment Reporting Information [Line Items]
Total Assets	325,987	363,227
Total Goodwill and Intangibles	186,327	207,595
Corporate Administration
Segment Reporting Information [Line Items]
Total Assets	$ 11,230	$ 14,720

Business Segment Information - Additional Information (Detail)	3 Months Ended
	Apr. 02, 2016 Segment
Segment Reporting [Abstract]
Number of reportable segments	2

(In thousands)
Three Months Ended

April 2,
2016

April 4,
2015

Stock options and stock units