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 March 31, 2015

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: 002-25577

DIODES INCORPORATED

(Exact name of registrant as specified in its charter)

Delaware	95-2039518
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification Number)

4949 Hedgcoxe Road, Suite 200 Plano, Texas	75024
(Address of principal executive offices)	(Zip code)

(972) 987-3900

(Registrant’s telephone number, including area code)

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, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act:

Large accelerated filer	x	Accelerated filer	¨
Non-accelerated filer	¨  (Do not check if a smaller reporting company)	Smaller reporting company	¨

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

The number of shares of the registrant’s Common Stock outstanding as of May 4, 2015 was 47,974,864.

Table of Contents

	Page
Part I – Financial Information	-1-
Item 1 – Financial Statements	-1-
Consolidated Condensed Balance Sheets as of March 31, 2015 and December 31, 2014	-1-
Consolidated Condensed Statements of Operations for the Three Months Ended March 31, 2015 and 2014	-3-
Consolidated Condensed Statements of Comprehensive Income (Loss) for the Three Months Ended March 31, 2015 and 2014	-4-
Consolidated Condensed Statements of Cash Flows for the Three Months Ended March 31, 2015 and 2014	-5-
Notes to Consolidated Condensed Financial Statements	-6-
Item 2 – Management’s Discussion and Analysis of Financial Condition and Results of Operations	-15-
Item 3 – Quantitative and Qualitative Disclosures About Market Risk	-23-
Item 4 – Controls and Procedures	-23-
Part II – Other Information	-25-
Item 1 – Legal Proceedings	-25-
Item 1A – Risk Factors	-25-
Item 2 – Unregistered Sales of Equity Securities and Use of Proceeds	-25-
Item 3 – Defaults Upon Senior Securities	-25-
Item 4 – Mine Safety Disclosures	-25-
Item 5 – Other Information	-25-
Item 6 – Exhibits	-26-
Signature	-27-

PART I—FINANCIAL INFORMATION

Item 1—Financial Statements

DIODES INCORPORATED AND SUBSIDIARIES

CONSOLIDATED CONDENSED BALANCE SHEETS

(In thousands)

ASSETS

	March 31,		December 31,
	2015		2014
	(Unaudited)
CURRENT ASSETS
Cash and cash equivalents	$	222,113	$	243,000
Short-term investments		26,722		11,726
Accounts receivable, net		177,628		188,248
Inventories		187,379		182,026
Deferred income taxes, current		11,301		11,295
Prepaid expenses and other		46,455		50,510
Total current assets		671,598		686,805
PROPERTY, PLANT AND EQUIPMENT, net		325,278		309,931
DEFERRED INCOME TAXES, non-current		32,556		32,550
OTHER ASSETS
Goodwill		79,665		81,229
Intangible assets, net		42,663		45,028
Other		23,270		23,614
Total assets	$	1,175,030	$	1,179,157

The accompanying notes are an integral part of these consolidated condensed financial statements.

-1-

DIODES INCORPORATED AND SUBSIDIARIES

CONSOLIDATED CONDENSED BALANCE SHEETS (continued)

LIABILITIES AND EQUITY

(In thousands, except share data)

	March 31,			December 31,
	2015			2014
	(Unaudited)
CURRENT LIABILITIES
Lines of credit and short-term debt	$	973		$	1,064
Accounts payable		84,017			79,390
Accrued liabilities		62,513			60,436
Income tax payable		8,047			8,381
Total current liabilities		155,550			149,271
LONG-TERM DEBT, net of current portion		117,734			140,787
OTHER LONG-TERM LIABILITIES		78,918			78,932
Total liabilities		352,202			368,990
COMMITMENTS AND CONTINGENCIES (See Note H)
EQUITY
Diodes Incorporated stockholders' equity
Preferred stock - par value $1.00 per share; 1,000,000 shares authorized; no shares issued or outstanding		-			-
Common stock - par value $0.66 2/3 per share; 70,000,000 shares authorized; 47,963,677 and 47,591,092 issued and outstanding at March 31, 2015 and December 31, 2014, respectively		31,977			31,729
Additional paid-in capital		324,023			314,942
Retained earnings		501,138			490,006
Accumulated other comprehensive loss		(76,873	)		(68,402	)
Total Diodes Incorporated stockholders' equity		780,265			768,275
Noncontrolling interest		42,563			41,892
Total equity		822,828			810,167
Total liabilities and equity	$	1,175,030		$	1,179,157

The accompanying notes are an integral part of these consolidated condensed financial statements.

-2-

DIODES INCORPORATED AND SUBSIDIARIES

CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS

(Unaudited)

(In thousands, except per share data)

	Three Months Ended
	March 31,
	2015			2014
NET SALES	$	206,182		$	209,986
COST OF GOODS SOLD		142,269			148,405
Gross profit		63,913			61,581
OPERATING EXPENSES
Selling, general and administrative		31,731			32,330
Research and development		13,309			12,920
Other operating expenses		1,970			1,988
Total operating expenses		47,010			47,238
Income from operations		16,903			14,343
OTHER INCOME (EXPENSES)		(939	)		(1,350	)
Income before income taxes and noncontrolling interest		15,964			12,993
INCOME TAX PROVISION		4,187			2,547
NET INCOME		11,777			10,446
Less: NET INCOME attributable to noncontrolling interest		(645	)		(244	)
NET INCOME attributable to common stockholders	$	11,132		$	10,202
EARNINGS PER SHARE attributable to common stockholders
Basic	$	0.23		$	0.22
Diluted	$	0.23		$	0.21
Number of shares used in computation
Basic		47,667			46,699
Diluted		48,978			47,996

The accompanying notes are an integral part of these consolidated condensed financial statements.

-3-

DIODES INCORPORATED AND SUBSIDIARIES

CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME

(Unaudited)

(In thousands)

	Three Months Ended
	March 31,
	2015			2014
Net income	$	11,777		$	10,446
Foreign currency translation adjustment		(6,160	)		(3,936	)
Unrealized gain (loss) on defined benefit plan, net of tax		(1,813	)		1,266
Unrealized foreign currency gain (loss), net of tax		(498	)		79
Comprehensive income		3,306			7,855
Less: Comprehensive income attributable to noncontrolling interest		(645	)		(244	)
Total comprehensive income attributable to common stockholders	$	2,661		$	7,611

The accompanying notes are an integral part of these consolidated condensed financial statements.

-4-

DIODES INCORPORATED AND SUBSIDIARIES

CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS

(Unaudited)

(In thousands)

	Three Months Ended
	March 31,
	2015			2014
CASH FLOWS FROM OPERATING ACTIVITIES	$	38,568		$	46,118
CASH FLOWS FROM INVESTING ACTIVITIES
Decrease in restricted cash		486			-
Purchases of property, plant and equipment		(23,539	)		(11,817	)
Purchases of short-term investments		(24,985	)		-
Proceeds from sale of equity securities and short-term investments		10,007			2,315
Other		(148	)		1,695
Net cash used in investing activities		(38,179	)		(7,807	)
CASH FLOWS FROM FINANCING ACTIVITIES
Advances on lines of credit and short-term debt		965			2,094
Repayments on lines of credit and short-term debt		(1,067	)		(5,337	)
Repayments of long-term debt		(23,071	)		(17,277	)
Net proceeds from issuance of common stock		5,649			280
Other		(88	)		(82	)
Net cash used in financing activities		(17,612	)		(20,322	)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS		(3,664	)		(2,982	)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS		(20,887	)		15,007
CASH AND CASH EQUIVALENTS, beginning of period		243,000			196,635
CASH AND CASH EQUIVALENTS, end of period	$	222,113		$	211,642
SUPPLEMENTAL CASH FLOW INFORMATION:
Non-cash financing activities:
Property, plant and equipment purchased on accounts payable	$	(10,281	)	$	(547	)

The accompanying notes are an integral part of these consolidated condensed financial statements.

-5-

DIODES INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

(Unaudited)

NOTE A – Nature of Operations, Basis of Presentation and Recently Issued Accounting Pronouncements

Nature of Operations

Diodes Incorporated, together with its subsidiaries (collectively, the “Company”, “we” or “our”), is a leading global manufacturer and supplier of high-quality, application specific standard products within the broad discrete, logic and analog semiconductor markets, serving the consumer electronics, computing, communications, industrial and automotive markets throughout Asia, North America and Europe.

Basis of Presentation

The accompanying unaudited consolidated condensed financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“U.S.”) (“GAAP”) for interim financial information and with the instructions to Form 10-Q. They do not include all information and footnotes necessary for a fair presentation of financial position, operating results and cash flows in conformity with U.S. GAAP for complete financial statements. These consolidated condensed financial statements should be read in conjunction with the consolidated financial statements and related notes contained in the our Annual Report on Form 10-K for the year ended December 31, 2014. All significant intercompany balances and transactions have been eliminated in consolidation. In the opinion of management, all adjustments (consisting of normal recurring adjustments and accruals) considered necessary for a fair presentation of the operating results for the period presented have been included in the interim period. Operating results for the three months ended March 31, 2015 are not necessarily indicative of the results that may be expected for other interim periods or the year ending December 31, 2015. The consolidated condensed financial data at December 31, 2014 is derived from audited financial statements included in the our Annual Report on Form 10-K for the year ended December 31, 2014, filed on March 2, 2015.

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from these estimates. As permitted under U.S. GAAP, interim accounting for certain expenses, including income taxes, are based on full year forecasts. For interim financial reporting purposes, income taxes are recorded based upon estimated annual effective income tax rates taking into consideration discrete items occurring in a quarter.

Certain prior year’s balances have been reclassified to conform to the current financial statement presentation.

Recently Issued Accounting Pronouncements

In April 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2014-08, Presentation of Financial Statements (Topic 205) and Property, Plant, and Equipment (Topic 360): Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity. Under ASU 2014-08, only disposals that represent a strategic shift that has (or will have) a major effect on the entity’s results and operations would qualify as discontinued operations, which could include a disposal of a major geographical area, a major line of business, a major equity method investment, or other major parts of an entity. ASU 2014-08 also expands the disclosure requirements for disposals of operations to include more information about assets, liabilities, income and expenses and requires entities to disclose information about disposals of individually significant components. ASU 2014-08 is effective in the first quarter of 2015, with early adoption permitted and could impact the Company’s consolidated financial results in the event of a transaction as described above.

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606).  ASU 2014-09 is based on the principle that revenue is recognized to depict the transfer of goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2014-09 also requires additional disclosure about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments and assets recognized from costs incurred to obtain or fulfill a contract.  ASU 2014-09 was originally effective in the first quarter of 2017, but in April 2015 the SEC issued a proposal to defer the effective date to the first quart of 2018.  Under this proposal, early adoption is permitted as of the original effective time period of first quarter of 2017 and requires either a retrospective or a modified retrospective approach to adoption.  The Company has not yet selected a transition method and is currently evaluating the effect that the updated standard will have on its consolidated financial statements and related disclosures.

-6-

NOTE B – Earnings Per Share

Basic earnings per share is calculated by dividing net income attributable to common stockholders by the weighted-average number of shares of Common Stock outstanding during the period. Diluted earnings per share is calculated similarly but includes potential dilution from the exercise of stock options and stock awards, except when the effect would be anti-dilutive.

The computation of basic and diluted earnings per common share is as follows (in thousands, except per share data):

	Three Months Ended
	March 31,
	2015		2014
BASIC
Weighted average number of common shares outstanding   used in computing basic earnings per share		47,667		46,699
Net income attributable to common stockholders	$	11,132	$	10,202
Earnings per share attributable to common stockholders	$	0.23	$	0.22
DILUTED
Weighted average number of common shares outstanding   used in computing basic earnings per share		47,667		46,699
Add:  Dilutive effect of stock options and stock awards outstanding		1,311		1,297
		48,978		47,996
Net income attributable to common stockholders	$	11,132	$	10,202
Earnings per share attributable to common stockholders	$	0.23	$	0.21

NOTE C – Inventories

Inventories stated at the lower of cost or market value are as follows (in thousands):

	March 31, 2015		December 31, 2014
Raw materials	$	81,508	$	73,564
Work-in-progress		45,010		42,417
Finished goods		60,861		66,045
Total	$	187,379	$	182,026

NOTE D – Goodwill and Intangible Assets

Changes in goodwill are as follows (in thousands):

Balance at December 31, 2014	$	81,229
Foreign currency translation adjustment		(1,564	)
Balance at March 31, 2015	$	79,665

-7-

Intangible assets are as follows (in thousands):

	March 31,			December 31,
	2015			2014
Intangible assets subject to amortization:
Gross carrying amount	$	86,929		$	86,928
Accumulated amortization		(42,088	)		(40,164	)
Foreign currency translation adjustment		(7,794	)		(7,471	)
Total		37,047			39,293
Intangible assets with indefinite lives:
Gross carrying amount		6,403			6,403
Foreign currency translation adjustment		(787	)		(668	)
Total		5,616			5,735
Total intangible assets, net	$	42,663		$	45,028

Amortization expense related to intangible assets subject to amortization was approximately $2 million for both the three months ended March 31, 2015 and 2014.

NOTE E – Income Tax Provision

Income tax expense of approximately $4 million and $3 million was recorded for the three months ended March 31, 2015 and 2014, respectively. This resulted in an effective tax rate of 26.2% for the three months ended March 31, 2015, as compared to 19.6% in the same period last year and compared to 23.7% for the full year of 2014.    The effective tax rate for the three months ended March 31, 2015 includes an immaterial charge for various discrete items. The estimated annual tax rate for 2015 is expected to be approximately 25%, excluding discrete items.  Our effective tax rates for the three months ended March 31, 2015 and 2014, excluding discrete items, were lower than the U.S. statutory tax rate of 35%, principally from the impact of income in lower-taxed jurisdictions.

For the three months ended March 31, 2015, we reported domestic and foreign pre-tax income/(loss) of approximately $(6) million and $22 million, respectively.  Funds repatriated from foreign subsidiaries to the U.S. may be subject to federal and state income taxes. We intend to permanently reinvest overseas all of our earnings from our foreign subsidiaries, except to the extent such undistributed earnings have previously been subject to US tax; accordingly, deferred U.S. taxes are not recorded on undistributed foreign earnings.

The impact of tax holidays decreased our tax expense by approximately $1 million for both the three months ended March 31, 2015 and 2014. The benefit of the tax holidays on both basic and diluted earnings per share for both the three months ended March 31, 2015 and 2014 was approximately $0.02.  

We file income tax returns in the U.S. federal jurisdiction and in various state and foreign jurisdictions. We are no longer subject to U.S. federal income tax examinations by tax authorities for tax years before 2007, or for the 2010 tax year.  We are no longer subject to China income tax examinations by tax authorities for tax years before 2004. With respect to state and local jurisdictions and countries outside of the U.S. (other than China), with limited exceptions, we are no longer subject to income tax audits for years before 2006. Although the outcome of tax audits is always uncertain, we believe that adequate amounts of tax, interest and penalties, if any, have been provided in our reserve for any adjustments that may result from tax audits. We recognize accrued interest and penalties related to unrecognized tax benefits in interest expense. As of March 31, 2015, the gross amount of unrecognized tax benefits was approximately $19 million.

It is reasonably possible that the amount of the unrecognized benefit with respect to certain of our unrecognized tax positions will significantly increase or decrease within the next 12 months. At this time, an estimate of the range of the reasonably possible outcomes cannot be made.

-8-

NOTE F – Share-Based Compensation

The following table shows the total compensation expensed for share-based compensation plans, including stock options and share grants, recognized in the statements of operations (in thousands):

	Three Months Ended
	March 31,
	2015		2014
Cost of goods sold	$	123	$	96
Selling, general and administrative		3,205		2,850
Research and development		352		273
Total share-based compensation expense	$	3,680	$	3,219

Stock Options. Stock options generally vest in equal annual installments over a four-year period and expire eight years after the grant date, and expense was estimated on the date of grant using the Black-Scholes-Merton option pricing model.

The total net cash proceeds received from stock option exercises during the three months ended March 31, 2015 was approximately $6 million. Stock option expense was approximately $1 million for both the three months ended March 31, 2015 and 2014.

A summary of the stock option grants is as follows:

Stock Options	Shares (000)			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (yrs)		Aggregate Intrinsic Value ($000)
Outstanding at January 1, 2015		2,736		$	21.26		4	$	17,840
Granted		-			-
Exercised		(368	)		15.36				5,279
Forfeited or expired		-			-
Outstanding at March 31, 2015		2,368		$	22.18		4	$	15,276
Exercisable at March 31,  2015		1,840		$	21.51		3	$	13,094

The aggregate intrinsic value in the table above is before applicable income taxes and represents the amount option holders would have received if all options had been exercised on the last business day of the period indicated, based on our closing stock price.

As of March 31, 2015, total unrecognized share-based compensation expense related to unvested stock options, net of forfeitures, was approximately $5 million, before income taxes, and is expected to be recognized over a weighted average period of approximately 2 years.

Share Grants. Restricted stock awards and restricted stock units generally vest in equal annual installments over a four-year period.

Share grant expense for the three months ended March 31, 2015 and 2014 was approximately $3 million and $2 million, respectively.

-9-

A summary of our non-vested share grants is as follows:

Share Grants	Shares (000)			Weighted Average Grant-Date Fair Value		Aggregate Intrinsic Value ($000)
Non-vested at January 1, 2015		1,535		$	23.32	$	42,324
Granted		4			27.35
Vested		(5	)		24.70		134
Forfeited		(9	)		25.93
Non-vested at March 31, 2015		1,525		$	23.67	$	43,544

As of March 31, 2015, total unrecognized share-based compensation expense related to non-vested stock awards, net of forfeitures, was approximately $17 million, before income taxes, and is expected to be recognized over a weighted average period of approximately 2 years.

NOTE G – Segment Information and Enterprise-Wide Disclosure

For financial reporting purposes, we operate in a single segment, standard semiconductor products, through our various manufacturing and distribution facilities. We aggregate our products because the products are similar and have similar economic characteristics, use similar production processes and share the same customer type.

Our primary operations include operations in Asia, North America and Europe.

Net sales are attributed to geographic areas based on the location of subsidiaries producing the net sales (in thousands):

Three Months Ended	Asia			North America			Europe			Consolidated
March 31, 2015
Total sales	$	191,289		$	39,241		$	43,121		$	273,651
Inter-company sales		(30,839	)		(16,640	)		(19,990	)		(67,469	)
Net sales	$	160,450		$	22,601		$	23,131		$	206,182
Three Months Ended	Asia			North America			Europe			Consolidated
March 31, 2014
Total sales	$	190,556		$	35,597		$	41,546		$	267,699
Inter-company sales		(23,285	)		(14,737	)		(19,691	)		(57,713	)
Net sales	$	167,271		$	20,860		$	21,855		$	209,986

Geographic Information

Net sales were derived from (shipped to) customers located in the following countries (in thousands):

	Net Sales
	for the Three Months				Percentage of
	Ended March 31,				Net Sales
	2015		2014		2015			2014
China	$	121,767	$	127,458		59	%		61	%
United States		20,427		19,641		10	%		9	%
Korea		17,265		20,125		8	%		10	%
Germany		15,331		14,827		7	%		7	%
Singapore		14,176		9,618		7	%		5	%
Taiwan		4,284		6,883		2	%		3	%
All Others (1)		12,932		11,434		7	%		5	%
Total	$	206,182	$	209,986		100	%		100	%

⁽¹⁾ Represents countries with less than 3% of the total net sales each.

-10-

NOTE H – Commitments and Contingencies

Purchase commitments – As March 31, 2015, we had approximately $16 million in non-cancelable purchase contracts related to capital expenditures, primarily for manufacturing equipment in China.

Contingencies –From time to time, we are involved in various legal proceedings that arise in the normal course of business. While we intend to defend any lawsuit vigorously, we presently believe that the ultimate outcome of any current pending legal proceeding will not have any material adverse effect on our financial position, cash flows or operating results. However, litigation is subject to inherent uncertainties, and unfavorable rulings could occur. An unfavorable ruling could include monetary damages, which could impact on our business and operating results for the period in which the ruling occurs or future periods.  Based on information available, we evaluate the likelihood of potential outcomes. We record the appropriate liability when the amount is deemed probable and reasonably estimable. In addition, we do not accrue for estimated legal fees and other directly related costs as they are expensed as incurred.  Legal proceedings that we believe are material are disclosed below.

OnSeptember15,2014,theUnitedStatesDistrictCourtfortheEasternDistrictofTexasissuedanorderregardingtheputative securitiesclassactionentitledLocal731I.B.ofT.ExcavatorsandPaversPensionTrustFundv.Diodes,Inc.,CivilActionNo.6:13- cv-00247(E.D.Tex.filedMar.15,2013)(the“ClassAction”),grantingdefendants’motiontodismisstheClassActionwith prejudice.OnOctober13,2014,plaintiffsfiledanoticeofappealtotheorderdismissingtheClassActiontotheUnitedStatesCourt ofAppealsfortheFifthCircuit.The appeal is fully briefed.  The Court has not yet set a date for argument.

OnFebruary20,2014,apurportedstockholderderivativeactionwasfiledintheUnitedStatesDistrictCourtfortheEastern District of Texas, entitled Perssonv. Keh-Shew Lu, CaseNo.4:14-cv-00108-RC-ALM (E.D. Tex. filed Feb. 20,2014), onbehalfof the Companyagainstitsdirectors,inwhichplaintiffallegesthattheBoardbreachedtheirfiduciarydutiesbyallowingtheCompanyto makeallegedlymisleadingpublicstatementsin2011regardingthelabormarketinChinaanditsimpactontheCompany’sbusiness andprospects,byfailingtomaintaininternalcontrolsandbysellingsharesofDiodesstockwhileallegedlyinpossessionofmaterial nonpublicinformationregardingthelabormarketinChinaanditsimpactontheCompany’sbusinessandprospects.Thecomplaint doesnotseekanydamagesorotherrelieffromtheCompany.OnApril17,2014,theCourtgrantedtheparties’unopposedmotionto staythisactionuntilsuchtimethattheCourtrulesondefendants’motiontodismissintheClassAction.OnOctober2,2014,the Courtgrantedtheparties’unopposedmotiontoextendthestayofthisactionuntil30daysaftereithertheexpirationoftheappeal periodorafinaldecisionbythehighestcourtofappealsregardingthedefendants’motiontodismissintheClassAction.The defendants intend todefendthe actionvigorously.

NOTE I – Employee Benefit Plans

Defined Benefit Plan

We have a contributory defined benefit plan that covers certain employees in the United Kingdom (“U.K.”). The net pension and supplemental retirement benefit obligations and the related periodic costs are based on, among other things, assumptions regarding the discount rate, estimated return on plan assets and mortality rates. These obligations and related periodic costs are measured using actuarial techniques and assumptions. The projected unit credit method is the actuarial cost method used to compute the pension liabilities and related expenses.

Net periodic benefit costs associated with the defined benefit plan were less than $1 million for both the three months ended March 31, 2015 and 2014, respectively.

-11-

The following tables set forth the benefit obligation, the fair value of plan assets, and the funded status of our plan (in thousands):

	Defined Benefit Plan
Change in benefit obligation:
Balance at December 31, 2014	$	159,715
Service cost		76
Interest cost		1,433
Actuarial loss		8,156
Benefits paid		(976	)
Currency changes		(7,841	)
Benefit obligation at March 31, 2015	$	160,563
Change in plan assets:
Fair value of plan assets at December 31, 2014	$	122,780
Actual return on plan assets		7,497
Employer contribution		303
Benefits paid		(976	)
Currency changes		(6,030	)
Fair value of plan assets at March 31, 2015	$	123,574
Underfunded status at March 31, 2015	$	(36,989	)

Based on an actuarial study performed as of March 31, 2015, the plan is underfunded and a liability is reflected in our consolidated financial statements as a long-term liability. The weighted-average discount rate assumption used to determine benefit obligations as of March 31, 2015 was 3.4%.

The following weighted-average assumptions were used to determine net periodic benefit costs for the three months ended March 31, 2015:

Discount rate	3.7	%
Expected long-term return on plan assets	5.2	%

During the second quarter of 2012, we adopted a payment plan with the trustees of the defined benefit plan, in which we would pay approximately British Pound (“GBP”) 2 million (approximately $3 million based on a USD:GBP exchange rate of 1.6:1) every year from 2012 through 2019. In 2015, based on the pension deficit, we adopted (as required every three years) an amended payment plan that Zetex had in place with the trustees of the defined benefit plan in which we will pay contributions of approximately GBP 2 million (approximately $3 million based on a USD:GBP exchange rate of 1.6:1) annually through 2030. This revised payment plan resulted in an increase of total required contributions from $13 million to $49 million to match the underfunded status as of March 31, 2015.

We also have pension plans in Germany and Asia for which the benefit obligation, fair value of the plan assets and the funded status amounts are deemed immaterial and therefore, are not included in the figures or assumptions above.

Deferred Compensation

We maintain a Non-Qualified Deferred Compensation Plan (the “Deferred Compensation Plan”) for executive officers, key employees and members of the Board of Directors (the “Board”). The Deferred Compensation Plan allows eligible participants to defer the receipt of eligible compensation, including equity awards, until designated future dates. We offset our obligations under the Deferred Compensation Plan by investing in the actual underlying investments. These investments are classified as trading securities and are carried at fair value. At March 31, 2015, these investments totaled approximately $5 million. All gains and losses in these investments are materially offset by corresponding gains and losses in the Deferred Compensation Plan liabilities.

NOTE J – Related Parties

Weconductbusinesswithtworelatedpartycompanies,Lite-OnSemiconductorCorporation anditssubsidiariesandaffiliates (“LSC”),andNuvotonTechnologyCorporationanditssubsidiariesandaffiliates(collectively,“Nuvoton”).LSCisourlargest stockholder,owningapproximately17%ofouroutstandingCommonStockasofMarch 31,2015,andisamemberofthe

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Lite-On Groupofcompanies.RaymondSoong,theChairmanoftheBoardofDirectors,istheChairmanofLSC,andistheChairmanofLite- OnTechnologyCorporation(“LTC”),asignificantshareholderofLSC.C.H.Chen,ourformerPresidentandChiefExecutiveOfficer andcurrentlythe ViceChairmanofthe Boardof Directors,isalsoVice ChairmanofLSCanda boardmemberofLTC.Dr. Keh-Shew Lu,ourPresidentandChiefExecutiveOfficerandamemberofourBoardofDirectors,isaboardmemberofLTC,andaboard memberofNuvoton.L.P.Hsu,amemberofourBoardofDirectorsservesasaconsultanttoLTC,andisasupervisoroftheboardof Nuvoton.WeconsiderourrelationshipswithLSC andNuvotontobemutually beneficial, and weplantocontinue our strategic alliancewithLSC and Nuvoton.

Wealsoconductbusinesswithasignificantcompany,KeylinkInternational(B.V.I.)Inc.anditssubsidiariesandaffiliates (collectively, “Keylink”).Keylinkisour5%jointventurepartnerinourShanghaiassemblyandtestfacilities.Inaddition,ChengduYaGuang ElectronicCompanyLimited(“YaGuang”)isour5%jointventurepartnerinourtwoChengduassemblyandtestfacilities;however, wehavenomaterialtransactionswithYaGuang.TheAuditCommitteeoftheBoardreviewsallrelatedpartytransactionsfor potentialconflictofinterestsituationsonanongoingbasis,allinaccordancewithsuchproceduresastheAuditCommitteemayadopt fromtime totime.

Lite-On Semiconductor Corporation – We sell semiconductor products to LSC and purchase semiconductor products from LSC for subsequent sale, making LSC one of our largest suppliers.

Net sales to, and purchases from, LSC are as follows (in thousands):

	Three Months Ended
	March 31,
	2015		2014
Net sales	$	305	$	115
Purchases	$	6,723	$	7,338

Keylink International (B.V.I.) Inc. – We sell semiconductor products to Keylink and purchase semiconductor products for subsequent sale. Inaddition,oursubsidiariesinChinaleasetheirmanufacturingfacilitiesinShanghaifrom,andsubcontracta portionofourmanufacturingprocess(metalplatingandenvironmentalservices)to,Keylink. We also pay a consulting fee to Keylink.  The aggregate amounts for these services for both the three months ended March 31, 2015 and 2014 were approximately $4 million.

Net sales to, and purchases from, Keylink are as follows (in thousands):

	Three Months Ended
	March 31,
	2015		2014
Net sales	$	2,365	$	2,264
Purchases	$	1,516	$	1,646

Nuvoton Technology Corporation – We purchase wafers from Nuvoton that we use in the production of finished goods.  

Net purchases from Nuvoton are as follows (in thousands):

	Three Months Ended
	March 31,
	2015		2014
Purchases	$	3,434	$	3,336

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Accounts receivable from, and accounts payable to, LSC, Keylink and Nuvoton are as follows (in thousands):

	March 31,		December 31,
	2015		2014
Accounts receivable
LSC	$	296	$	215
Keylink		4,003		4,142
	$	4,299	$	4,357
Accounts payable
LSC	$	5,146	$	4,458
Keylink		5,648		6,472
Nuvoton		1,427		1,167
	$	12,221	$	12,097

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

Except for the historical information contained herein, the matters addressed in this Item 2 constitute “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended and as identified under the heading “Cautionary Statement for Purposes of the “Safe Harbor” Provision of the Private Securities Litigation Reform Act of 1995” herein. Such forward-looking statements are subject to a variety of risks and uncertainties, including those discussed below under the heading “Risk Factors” and elsewhere in this Quarterly Report on Form 10-Q, that could cause actual results to differ materially from those anticipated by our management. The Private Securities Litigation Reform Act of 1995 (the “Act”) provides certain “safe harbor” provisions for forward-looking statements. All forward-looking statements made in this Quarterly Report on Form 10-Q are made pursuant to the Act. We undertake no obligation to publicly release the results of any revisions to its forward-looking statements that may be made to reflect events or circumstances after the date hereof or to reflect the occurrence of unexpected events. Unless the context otherwise requires, the words “Diodes,” the “Company,” “we,” “us” and “our” refer to Diodes Incorporated and its subsidiaries.

This management’s discussion should be read in conjunction with the management’s discussion included our Annual Report on Form 10-K for the fiscal year ended December 31, 2013, previously filed with Securities and Exchange Commission. (Amounts are rounded to the nearest million).

Highlights

● Net sales for the three months ended March 31, 2015 was approximately $206 million, a decrease of $4 million, or 1.8%, over the same period last year, and a sequential decrease of 7.8% compared to the $224 million in the fourth quarter of 2014;

● Gross profit for the three months ended March 31, 2015 was approximately $64 million, an increase of $2 million, or 3.8%, over the same period last year, and a sequential decrease of 9.6% compared to the $71 million in the fourth quarter of 2014;

● Gross profit margin for the three months ended March 31, 2015 was 31.0%, compared to 29.3% in the same period last year, and 31.6% in the fourth quarter of 2014;

● Net income attributable to common stockholders for the three months ended March 31, 2015 was approximately $11 million, or $0.23 per diluted share, compared to net income attributable to common stockholders of $10 million, or $0.21 per diluted share, in the same period last year, and net income attributable to common stockholders of $17 million, or $0.34 per diluted share, in the fourth quarter of 2014;

● Cash flows from operating activities was approximately $39 million for the three months ended March 31, 2015, compared to $46 million in the same period last year.

Overview

We are a leading global manufacturer and supplier of high-quality, application specific standard products within the broad discrete, logic and analog semiconductor markets, serving the consumer electronics, computing, communications, industrial and automotive markets. Our products are sold primarily throughout Asia, North America and Europe.

We design, manufacture and market semiconductors for diverse end-use applications. Semiconductors, which provide electronic signal amplification and switching functions, are basic building-block electronic components that are incorporated into almost every electronic device. We believe that our focus on application-specific standard products utilizing innovative, highly efficient packaging and cost-effective process technologies, coupled with our collaborative, customer-focused product development, provides us with a meaningful competitive advantage relative to other semiconductor companies.

First Quarter 2015

For the first quarter of 2015, revenue declined sequentially due to greater than expected softness in the computing market in Asia as well as the currency impact from a stronger U.S. dollar versus the Euro.  In spite of the lower revenue base, we further enhanced product mix to enable gross profit improvement year-over-year and to sustain gross margin at 31 percent in the quarter. Additionally, our ongoing cost reduction efforts helped to support profit margins and achieve earnings of $0.23 per share. Notable in the quarter, revenue in Europe grew almost 14 percent sequentially, despite the headwinds from the weaker Euro as we continued to gain traction on products sold in the region, specifically in the industrial and automotive markets. The North America market also performed well in the quarter.

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Business Outlook

As we look to the second quarter, we expect revenue to range between $212 million and $228 million, or an increase of 2.8 percent to 10.6 percent sequentially. We expect gross margin to be 31.5 percent, plus or minus 2 percent. Operating expenses are expected to be approximately 22.4 percent of revenue, plus or minus 1 percent. We expect our income tax rate to be 25 percent, plus or minus 3 percent, and shares used to calculate diluted EPS for the second quarter are anticipated to be approximately 49.3 million.

Factors Relevant to Our Results of Operations

The following has affected, and, we believe, will continue to affect, our operating results:

● Net sales for the three months ended March 31, 2015 was $206 million, compared to $210 million in the same period last year. This decrease in net sales was due to softness in the Asia computing market and the currency impact from a stronger U.S. dollar versus the Euro.

● Our gross profit margin was 31.0% for the three months ended March 31, 2015, compared to 29.3% in the same period last year. Our gross margin percentage increased over the same period last year due to cost reductions and improved product mix. Future gross profit margins will depend primarily on market prices, our product mix, manufacturing cost savings, and the demand for our products.

● For the three months ended March 31, 2015 and 2014, the percentage of our net sales derived from our Asian subsidiaries was approximately 78% and 80%, respectively. Europe accounted for approximately 11% of our net sales for the three months ended March 31, 2015, compared to 10% in the same period last year. In addition, North America accounted for approximately 11% of our net sales for the three months ended March 31, 2015, compared to 10% for the same period last year.

● For the three months ended March 31, 2015, we invested approximately $34 million in our manufacturing facilities, and we expect to continue to invest in our manufacturing facilities, although the amount to be invested will depend on, among other factors, product demand and new product developments.

● For the three months ended March 31, 2015, our OEM and electronic manufacturing services (“EMS”) customers together accounted for approximately 31% of our net sales, while our global network of distributors accounted for approximately 69% of our net sales. Compared to the same period last year, the percentage of net sales to our global network of distributors was relatively flat.

Results of Operations for the Three Months Ended March 31, 2015 and 2014

The following table sets forth the percentage that certain items in the statements of operations bear to net sales and the percentage dollar increase (decrease) of such items from period to period.

	Percent of  Net Sales						Percentage Dollar
	Three Months Ended March 31,						Increase (Decrease)
	2015			2014			'14 to '15
Net sales		100	%		100	%		1
Cost of goods sold		(69	)		(71	)		(4	)
Gross profit		31			29			4
Operating expenses		(23	)		(22	)		-
Income from operations		8			7			18
Other income (expense)		-			(1	)		(30	)
Income before income taxes and noncontrolling interest		8			6			23
Income tax provision		(2	)		(1	)		64
Net income		6			5			13
Net income attributable to noncontrolling interest		(1	)		-			164
Net income attributable to common stockholders		5			5			9

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The following discussion explains in greater detail our consolidated operating results and financial condition for the three months ended March 31, 2015, compared to the three months ended March 31, 2014. This discussion should be read in conjunction with the consolidated condensed financial statements and notes thereto appearing elsewhere in this quarterly report (in thousands).

	2015		2014
Net Sales	$	206,182	$	209,986

Net sales decreased approximately $4 million for the three months ended March 31, 2015, compared to the same period last year. The 1.8% decrease in net sales represented a 0.5% decrease in units sold and a 1.3% decrease in average selling price. The net sales decrease for the three months ended March 31, 2015 was mainly attributable to softness in the computing market in Asia and the currency impact from a stronger U.S. dollar versus the Euro.

	2015			2014
Cost of goods sold	$	142,269		$	148,405
Gross profit	$	63,913		$	61,581
Gross profit margin		31.0	%		29.3	%

Cost of goods sold decreased approximately $6 million for the three months ended March 31, 2015, compared to the same period last year. As a percent of sales, cost of goods sold decreased to 69.0% for the three months ended March 31, 2015, compared to 70.7% in the same period last year. Average unit cost decreased 3.7% for the three months ended March 31, 2015 compared to the same period last year, and this was due to cost reductions and improved product mix.

For the three months ended March 31, 2015, gross profit increased by approximately $2 million, or 3.8%, compared to the same period last year. Gross margin increased to 31.0% for the three months ended March 31, 2015, compared to 29.3% for the same period last year. This increase is due to cost reductions and improved product mix.

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	2015		2014
Operating expenses	$	47,010	$	47,238

Operating expenses for the three months ended March 31, 2015 remained relatively flat compared to the same period last year. Each of the components within operating expenses, selling, general and administrative expenses (“SG&A”), research and development expenses (“R&D”), and other operating expenses, remained relatively flat. SG&A, as a percentage of sales, was 15.4% for both the three months ended March 31, 2015 and 2014. R&D, as a percentage of sales, was 6.5% for both the three months ended March 31, 2015 and 2014.

	2015			2014
Other expense	$	(939	)	$	(1,350	)

Other expense for the three months ended March 31, 2015 was slightly lower compared to the same period last year. The decrease in other expense for 2015 compared to 2014 was driven primarily by the reduction in interest expense from the reduction of long-term debt, partially offset by foreign currency losses.

	2015		2014
Income tax provision	$	4,187	$	2,547

We recognized income tax expense of approximately $4 million for the three months ended March 31, 2015 and $3 million for the three months ended March 31, 2014. The effective tax rate was 26.2% for the three months ended March 31, 2015, compared to 19.6% in the same period last year.   The increase in income taxes for 2015 compared to 2014 is a result of increased earnings in higher tax jurisdictions.  Our effective tax rates for the three months ended March 31, 2015 and 2014, excluding discrete items, were lower than the U.S. statutory tax rate of 35%, principally as a result of income in lower-taxed jurisdictions.

Financial Condition

Liquidity and Capital Resources

Our primary sources of liquidity are cash and cash equivalents, funds from operations and, if necessary, borrowings under our credit facilities. We currently have a U.S. credit agreement consisting of a $300 million revolving senior credit facility (the “Revolver”). The Revolver matures on January 8, 2018, and as of March 31, 2015, $116 million was outstanding. In addition, we have foreign credit facilities with borrowing capacities of approximately $82 million with $1 million in outstanding borrowings and $1 million used for import and export guarantees and bank acceptance notes. We also have foreign long-term debt of approximately $2 million.  Our primary liquidity requirements have been to meet our inventory and capital expenditure needs and to fund on-going operations. At December 31, 2014 and March 31, 2015 our working capital was $538 million and $516 million, respectively. We expect cash generated by our operations together with existing cash, cash equivalents, short-term investments and available credit facilities to be sufficient to cover cash needs for working capital and capital expenditures for at least the next 12 months.

Capital expenditures for the three months ended March 31, 2015 and 2014 were $34 million and $12 million, respectively. For the first three months of 2015 capital expenditures were approximately 16% of our net sales, which is higher than our reduced capital spending target range of 5% to 9% of net sales due to the delayed receipt of approximately $6 million of assembly and test equipment.

We intend to permanently reinvest overseas all of our earnings from our foreign subsidiaries, except to the extent such undistributed earnings have previously been subject to U.S. tax.  Accordingly, deferred U.S. taxes are not recorded on undistributed foreign earnings.  As of March 31, 2015, our foreign subsidiaries held approximately $231 million of cash, cash equivalents and investments of which approximately $178 million would be subject to a potential tax if repatriated to the U.S.

As of March 31, 2015, we had short-term investments totaling $27 million. These investments are highly liquid with maturity dates greater than three months at the date of purchase. We generally can access these investments in a relatively short amount of time but in doing so we generally forfeit all earned and future interest income.

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Discussion of Cash Flow

Cash and cash equivalents decreased from $243 million at December 31, 2014 to $222 million at March 31, 2015 primarily from cash used by investing and financing activities, partially offset by cash provided by operating activities.

A summary of the consolidated condensed statements of cash flows is as follows (in thousands):

	Three Months Ended March 31,
	2015			2014			Change
Net cash provided by operating activities	$	38,568		$	46,118		$	(7,550	)
Net cash used by investing activities		(38,179	)		(7,807	)		(30,372	)
Net cash used by financing activities		(17,612	)		(20,322	)		2,710
Effect of exchange rates on cash and cash equivalents		(3,664	)		(2,982	)		(682	)
Net increase in cash and cash equivalents	$	(20,887	)	$	15,007		$	(35,894	)

Operating Activities

Net cash provided by operating activities for the three months ended March 31, 2015 was $39 million, resulting primarily from $12 million of net income, $21 million in depreciation and amortization, $4 million of non-cash share-based compensation expense, an increase in accounts payable, offset partially by an increase in inventories, prepaid expenses, accrued liabilities, and other.  Net cash provided by operating activities was $46 million for the same period last year, resulting primarily from $10 million in net income, $19 million in depreciation and amortization, $3 million of non-cash share-based compensation expense and changes in assets and liabilities.

Investing Activities

Net cash used by investing activities was $38 million for the three months ended March 31, 2015, compared to net cash used by investing activities of $8 million for the same period last year. This increase in net cash used was primarily due to purchases of short-term investments and property, plant, and equipment.

Financing Activities

Net cash used by financing activities was $18 million for the three months ended March 31, 2015, compared to net cash used in financing activities of $20 million in the same period last year. Net cash used in 2015 consisted primarily of repayments on lines of credit and long-term debt, offset partially by advances on lines of credit and proceeds from issuance of common stock. Net cash used in 2014 consisted primarily of repayments on lines of credit and long-term debt.

Debt Instruments

There have been no material changes to our debt instruments as disclosed in our Annual Report on Form 10-K for the fiscal year ended December 31, 2014, filed on March 2, 2015.

Off-Balance Sheet Arrangements

We do not have any transactions, arrangements and other relationships with unconsolidated entities that will affect our liquidity or capital resources. We have no special purpose entities that provide off-balance sheet financing, liquidity or market or credit risk support, nor do we engage in leasing, swap agreements, or outsourcing of research and development services, that could expose us to liability that is not reflected on the face of our financial statements.

Contractual Obligations

There have been no material changes in any of our contractual obligations as disclosed in our Annual Report on Form 10-K for the fiscal year ended December 31, 2014, filed on March 2, 2015, except for our agreement relating to the U.K. defined benefit plan originally adopted in 2012.  As part of the required pension review, which occurs every three years under the U.K. pension regulations, we had discussions with the trustees and adopted a revised payment plan in early 2015, in which we have agreed to extend the payment of approximately GBP 2 million through 2030.  This revised payment plan resulted in an increase of total required contributions from $13 million to $49 million to match the underfunded status as of March 31, 2015. See Note I of the Notes to Consolidated Condensed Financial Statements for additional information.

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Critical Accounting Policies

Our critical accounting policies, as described in our Annual Report on Form 10-K for the fiscal year ended December 31, 2014, relate to revenue recognition, inventories, accounting for income taxes, goodwill and other indefinite lived assets, share-based compensation, fair value measurements, defined benefit plan and contingencies. There have been no material changes to our critical accounting policies as disclosed in our Annual Report on Form 10-K for the fiscal year ended December 31, 2014, filed on March 2, 2015.

Recently Issued Accounting Pronouncements

See Note A of the Notes to Consolidated Condensed Financial Statements for detailed information regarding the status of recently issued accounting pronouncements.

Available Information

Our Internet address is http://www.diodes.com. We make available, free of charge through our Internet website, our Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, proxy statements, and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (“Exchange Act”) as soon as reasonably practicable after such material is electronically filed with or furnished to the Securities and Exchange Commission (the “SEC”). Our website also provides access to investor financial information, including SEC filings and press releases, as well as stock quotes and information on corporate governance compliance.

Cautionary Statement for Purposes of the “Safe Harbor” Provision of the Private Securities Litigation Reform Act of 1995

Except for the historical information contained herein, the matters addressed in this Quarterly Report on Form 10-Q constitute “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. We generally identify forward-looking statements by the use of terminology such as “may,” “will,” “could,” “should,” “potential,” “continue,” “expect,” “intend,” “plan,” “estimate,” “anticipate,” “believe,” or similar phrases or the negatives of such terms. Such forward-looking statements are subject to a variety of risks and uncertainties, including those discussed under “Risks Factors” and elsewhere in this Quarterly Report on Form 10-Q that could cause actual results to differ materially from those anticipated by our management. The Private Securities Litigation Reform Act of 1995 (the “Act”) provides certain “safe harbor” provisions for forward-looking statements. All forward-looking statements made in this Quarterly Report on Form 10-Q are made pursuant to the Act.

All forward-looking statements contained in this Quarterly Report on Form 10-Q are subject to, in addition to the other matters described in this Quarterly Report on Form 10-Q, a variety of significant risks and uncertainties. The following discussion highlights some of these risks and uncertainties. Further, from time to time, information provided by us or statements made by our employees may contain forward-looking information. There can be no assurance that actual results or business conditions will not differ materially from those set forth or suggested in such forward-looking statements as a result of various factors, including those discussed below.

For more detailed discussion of these factors, see the “Risk Factors” discussion in Item 1A of our most recent Annual Report on Form 10-K as filed with the SEC and in Part II, Item 1A of this report. The forward-looking statements included in this Quarterly Report on Form 10-Q are made only as of the date of this report, and we undertake no obligation to update the forward-looking statements to reflect subsequent events or circumstances.

Risk Factors

RISKS RELATED TO OUR BUSINESS

· The success of our business depends on the strength of the global economy and the stability of the financial markets, and any weaknesses in these areas may have a material adverse effect on our net sales, operating results and financial condition.

· During times of difficult market conditions, our fixed costs combined with lower net sales and lower profit margins may have a negative impact on our business, operating results and financial condition.

· Downturns in the highly cyclical semiconductor industry and/or changes in end-market demand could adversely affect our operating results and financial condition.

· The semiconductor business is highly competitive, and increased competition may harm our business, operating results and financial condition.

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· One of our largest external suppliers is also a related party. The loss of this supplier could harm our business, operating results and financial condition.

· Delays in initiation of production at facilities due to implementing new production techniques or resolving problems associated with technical equipment malfunctions could adversely affect our manufacturing efficiencies, operating results and financial condition.

· We are and will continue to be under continuous pressure from our customers and competitors to reduce the price of our products, which could adversely affect our growth and profit margins.

· Our customers require our products to undergo a lengthy and expensive qualification process without any assurance of product sales and may demand to audit our operations from time to time. A failure to qualify a product or a negative audit finding could adversely affect our net sales, operating results and financial condition.

· Our customer orders are subject to cancellation or modification usually with no penalty. High volumes of order cancellation or reduction in quantities ordered could adversely affect our net sales, operating results and financial condition.

· Production at our manufacturing facilities could be disrupted for a variety of reasons, including natural disasters and other extraordinary events, which could prevent us from producing enough of our products to maintain our sales and satisfy our customers’ demands and could adversely affect our operating results and financial condition.

· New technologies could result in the development of new products by our competitors and a decrease in demand for our products, and we may not be able to develop new products to satisfy changes in demand, which would adversely affect our net sales, market share, operating results and financial condition.

· We may be adversely affected by any disruption in our information technology systems, which could adversely affect our cash flows, operating results and financial condition.

· We may be subject to claims of infringement of third-party intellectual property rights or demands that we license third-party technology, which could result in significant expense, reduction in our intellectual property rights and a negative impact on our business, operating results and financial condition.

· We depend on third-party suppliers for timely deliveries of raw materials, manufacturing services, products and process development, parts and capital equipment, as well as finished products from other manufacturers, and our reputation with customers, operating results and financial condition could be adversely affected if we are unable to obtain adequate supplies in a timely manner.

· If we do not succeed in continuing to vertically integrate our business, we will not realize the cost and other efficiencies we anticipate, which could adversely affect our ability to compete, our operating results and financial condition.

· Part of our growth strategy involves identifying and acquiring companies. We may be unable to identify suitable acquisition candidates or consummate desired acquisitions and, if we do make any acquisitions, we may be unable to successfully integrate any acquired companies with our operations, which could adversely affect our business, operating results and financial condition.

· We are subject to litigation risks, including securities class action litigation, which may be costly to defend and the outcome of which is uncertain and could adversely affect our business and financial condition.

· We are subject to many environmental laws and regulations that could result in significant expenses and could adversely affect our business, operating results and financial condition.

· Our products may be found to be defective and, as a result, warranty claims and product liability claims may be asserted against us, which may harm our business, reputation with our customers, operating results and financial condition.

· We may fail to attract or retain the qualified technical, sales, marketing, finance and management/executive personnel required to operate our business successfully, which could adversely affect our business, operating results and financial condition.

· We may not be able to achieve future growth, and any such growth may place a strain on our management and on our systems and resources, which could adversely affect our business, operating results and financial condition.

· Obsolete inventories as a result of changes in demand for our products and change in life cycles of our products could adversely affect our business, operating results and financial condition.

· If OEMs do not design our products into their applications, our net sales may be adversely affected.

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· We are subject to interest rate risk that could have an adverse effect on our cost of working capital and interest expenses, which could adversely affect our business, operating results and financial condition.

· We may have a significant amount of debt with various financial institutions worldwide. Any indebtedness could adversely affect our business, operating results, financial condition and our ability to meet our payment obligations under such debt.

· Restrictions in our credit facilities may limit our business and financial activities, including our ability to obtain additional capital in the future.

· Our business benefits from certain Chinese government incentives. Expiration of, or changes to, these incentives could adversely affect our operating results and financial condition.

· We operate a global business through numerous foreign subsidiaries, and there is a risk that tax authorities will challenge our transfer pricing methodologies and/or legal entity structures, which could adversely affect our operating results and financial condition.

· The value of our benefit plan assets and liabilities is based on estimates and assumptions, which may prove inaccurate and the actual amount of expenses recorded in the consolidated financial statements could differ materially from the assumptions used.

· Changes in actuarial assumptions for our defined benefit pension plan could increase the volatility of the plan’s assets value, require us to increase cash contributions to the plan and have a negative impact on our cash flows, operating results and financial condition.

· Certain of our customers and suppliers require us to comply with their codes of conduct, which may include certain restrictions that may substantially increase the cost of our business as well as have an adverse effect on our operating efficiencies, operating results and financial condition.

· Compliance with government regulations and customer demands regarding the use of “conflict minerals” may result in increased costs and may have a negative impact on our business, operating results and financial condition.

· There are risks associated with previous and future acquisitions. We may ultimately not be successful in overcoming these risks or any other problems encountered in connection with acquisitions.

· If we fail to maintain an effective system of internal controls or discover material weaknesses in our internal control over financial reporting, we may not be able to report our financial results accurately or detect fraud, which could harm our business and the trading price of our Common Stock.

· Terrorist attacks, or threats or occurrences of other terrorist activities, whether in the United States or internationally, may affect the markets in which our Common Stock trades, the markets in which we operate and our operating results and financial condition.

· System security risks, data protection breaches, cyber-attacks and other related cybersecurity issues could disrupt our internal operations, and any such disruption could reduce our expected net sales, increase our expenses, damage our reputation and adversely affect our stock price.

RISKS RELATED TO OUR INTERNATIONAL OPERATIONS

· Our international operations subject us to risks that could adversely affect our operations.

· We have significant operations and assets in China, the U.K., Germany, Hong Kong and Taiwan and, as a result, will be subject to risks inherent in doing business in those jurisdictions, which may adversely affect our financial performance and operating results.

· A slowdown in the Chinese economy could limit the growth in demand for electronic devices containing our products, which would have a material adverse effect on our business, operating results and prospects.

· Economic regulation in China could materially and adversely affect our business, operating results and prospects.

· We could be adversely affected by violations of the United States’ Foreign Corrupt Practices Act, the U.K.’s Bribery Act 2010 and similar worldwide anti-bribery laws.

· We are subject to foreign currency risk as a result of our international operations.

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· China is experiencing rapid social, political and economic change, which has increased labor costs and other related costs that could make doing business in China less advantageous than in prior years. Increased labor costs in China could adversely affect our business, operating results and financial condition.

· We may not continue to receive preferential tax treatment in Asia, thereby increasing our income tax expense and reducing our net income.

· The distribution of any earnings of our foreign subsidiaries to the United States may be subject to United States income taxes, thus reducing our net income.

RISKS RELATED TO OUR COMMON STOCK

· Variations in our quarterly operating results may cause our stock price to be volatile.

· We may enter into future acquisitions and take certain actions in connection with such acquisitions that could adversely affect the price of our Common Stock.

· Our directors, executive officers and significant stockholders hold a substantial portion of our Common Stock, which may lead to conflicts with other stockholders over corporate transactions and other corporate matters.

· We were formed in 1959, and our early corporate records are incomplete. As a result, we may have difficulty in assessing and defending against claims relating to rights to our Common Stock purporting to arise during periods for which our records are incomplete.

· Non-cash tender offers, debt equity swaps or equity exchanges to consummate our business activities are likely to have the effect of diluting the ownership interest of existing stockholders, including qualified stockholders who receive shares of our Common Stock in such business activities.

· Anti-takeover effects of certain provisions of Delaware law and our Certificate of Incorporation and Bylaws, may hinder a take-over attempt.

· Section 203 of Delaware General Corporation Law may deter a take-over attempt.

· Certificate of Incorporation and Bylaw Provisions may deter a take-over attempt.

Item 3. Quantitative and Qualitative Disclosures About Market Risk

As a multinational corporation, we are subject to certain market risks including foreign currency, interest rate, political instability, inflation and credit. We consider a variety of practices to manage these market risks. There have been no material changes to our market risks as disclosed in our Annual Report on Form 10-K for the year ended December 31, 2014, filed on March 2, 2015.

Item 4. Controls and Procedures

Disclosure Controls and Procedures

Our Chief Executive Officer, Keh-Shew Lu, and Chief Financial Officer, Richard D. White, with the participation of our management, carried out an evaluation of the effectiveness of our disclosure controls and procedures pursuant to Exchange Act Rule 13a-15(e). Based upon that evaluation, the Chief Executive Officer and the Chief Financial Officer believe that, as of the end of the period covered by this Quarterly Report on Form 10-Q, our disclosure controls and procedures are effective at the reasonable assurance level to ensure that information required to be included in this report is:

· recorded, processed, summarized and reported within the time period specified in the Commission’s rules and forms; and

· accumulated and communicated to our management, including the Chief Executive Officer and the Chief Financial Officer, to allow timely decisions on required disclosure.

Disclosure controls and procedures, no matter how well designed and implemented, can provide only reasonable assurance of achieving an entity’s disclosure objectives. The likelihood of achieving such objectives is affected by limitations inherent in disclosure controls and procedures. These include the fact that human judgment in decision-making can be faulty and that breakdowns in internal control can occur because of human failures such as simple errors, mistakes or intentional circumvention of the established processes.

-23-

Changes in Controls over Financial Reporting

There was no change in our internal control over financial reporting, known to our Chief Executive Officer or our Chief Financial Officer, that occurred during the fiscal quarter covered by this report that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

-24-

PART II—OTHER INFORMATION

Item 1. Legal Proceedings

See Note H of the Notes to Consolidated Condensed Financial Statements for detailed information regarding the status of our lawsuits.

Fromtimetotime,weareinvolvedinvariouslegalproceedingsthatariseinthenormalcourseofbusiness.Whileweintendto defendanylawsuitvigorously,wepresentlybelievethattheultimateoutcomeofanycurrentpendinglegalproceedingwillnothave anymaterialadverseeffectonourfinancialposition,cashflowsoroperatingresults.However,litigationissubjecttoinherent uncertainties,andunfavorablerulingscouldoccur.Anunfavorablerulingcouldincludemonetarydamages,whichcouldimpactour business and operating results for theperiodinwhich the rulingoccurs orfutureperiods.  

Item 1A. Risk Factors

There have been no material changes from the risk factors disclosed in the “Risk Factors” section of our Annual Report on Form 10-K for the fiscal year ended December 31, 2014, filed on March 2, 2015.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

There have been no repurchases of our Common Stock during the first quarter of 2015.

Item 3. Defaults Upon Senior Securities

There are no matters to be reported under this heading.

Item 4. Mine Safety Disclosures

Not applicable.

Item 5. Other Information

There are no matters to be reported under this heading.

-25-

Item 6. Exhibits

Number	Description	Form	Date of First Filing	ExhibitNumber	FiledHerewith
3.1	Certificate of Incorporation, as amended	10-Q	May 10, 2013	3.1
3.2	Amended By-laws of the Company as of September 6, 2014	8-K	September 10, 2014	3.1
4.1	Form of Certificate for Common Stock, par value $0.66 2/3 per share	S-3	August 25, 2005	4.1
10.1	Amended Consulting Agreement, dated as of January 1, 2015 between Diodes Incorporated and Keylink International	10-K	March 2, 2015	10.78
10.2	Chemical Warehouse Lease Agreement, dated November 1, 2014, between Shanghai Kaihong Electronic Co., Ltd. and Shaghai Ding Hong Electronic Co., Ltd.	10-K	March 2, 2015	10.79
31.1	Certification Pursuant to Rule 13a-14(a)/15d-14(a) of the Securities Exchange Act of 1934, adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.				X
31.2	Certification Pursuant to Rule 13a-14(a) /15d-14(a) of the Securities Exchange Act of 1934, adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.				X
32.1*	Certification Pursuant to 18 U.S.C. 1350 adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.				X
32.2*	Certification Pursuant to 18 U.S.C. 1350 adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.				X
101.INS	XBRL Instance Document				X
101.SCH	XBRL Taxonomy Extension Schema				X
101.CAL	XBRL Taxonomy Extension Calculation Linkbase				X
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document				X
101.LAB	XBRL Taxonomy Extension Labels Linkbase				X
101.PRE	XBRL Taxonomy Extension Presentation Linkbase				X

* A certification furnished pursuant to Item 601 of the Regulation S-K will not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section. Such certification will not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except to the extent that the registrant specifically incorporates it by reference.

PLEASE NOTE: It is inappropriate for investors to assume the accuracy of any covenants, representations or warranties that may be contained in agreements or other documents filed as exhibits to this Quarterly Report on Form 10-Q. In certain instances the disclosure schedules to such agreements or documents contain information that modifies, qualifies and creates exceptions to the representations, warranties and covenants. Moreover, some of the representations and warranties may not be complete or accurate as of a particular date because they are subject to a contractual standard of materiality that is different from those generally applicable to stockholders and/or were used for the purpose of allocating risk among the parties rather than establishing certain matters as facts. Accordingly, you should not rely on the representations and warranties as characterizations of the actual state of facts at the time they were made or otherwise.

-26-

SIGNATURE

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.

DIODES INCORPORATED (Registrant)

By: /s/ Richard D. White	May 11, 2015
RICHARD D. WHITE
Chief Financial Officer and Secretary
(Principal Financial and Accounting Officer)

-27-

EX-31.1

Exhibit 31.1

CERTIFICATION

PURSUANT TO EXCHANGE ACT RULES 13a-14(a) AND 15d-14(a),

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Keh-Shew Lu, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Diodes Incorporated;

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.

/s/ Keh-Shew Lu

Keh-Shew Lu

Chief Executive Officer

Date: May 11, 2015

EX-31.2

Exhibit 31.2

CERTIFICATION

PURSUANT TO EXCHANGE ACT RULES 13a-14(a) AND 15d-14(a),

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Richard D. White, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Diodes Incorporated;

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.

/s/ Richard D. White

Richard D. White

Chief Financial Officer

Date: May 11, 2015

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. 1350

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

The undersigned hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to his knowledge, the Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2015 of Diodes Incorporated (the “Company”) fully complies with the requirements of Sections 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and that the information contained in such periodic report fairly presents, in all material respects, the financial condition and results of operations of the Company as of, and for, the periods presented in such report.

Very truly yours,

/s/ Keh-Shew Lu

Keh-Shew Lu

Chief Executive Officer

Date: May 11, 2015

A signed original of this written statement required by Section 906 has been provided to Diodes Incorporated and will be furnished to the Securities and Exchange Commission or its staff upon request.

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO 18 U.S.C. 1350

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

The undersigned hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to his knowledge, the Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2015 of Diodes Incorporated (the “Company”) fully complies with the requirements of Sections 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and that the information contained in such periodic report fairly presents, in all material respects, the financial condition and results of operations of the Company as of, and for, the periods presented in such report.

Very truly yours,

/s/ Richard D. White

Richard D. White

Chief Financial Officer

Date: May 11, 2015

A signed original of this written statement required by Section 906 has been provided to Diodes Incorporated and will be furnished to the Securities and Exchange Commission or its staff upon request.

XML

Commitments and Contingencies - Additional Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Commitments And Contingencies [Line Items]
Purchase Commitments	16
Putative Securities Class Action
Commitments And Contingencies [Line Items]
Loss Contingency, Name of Defendant	Diodes, Inc
Loss Contingency, Lawsuit Filing Date	2013-03-15
Loss Contingency, Name of Plaintiff	Local 731 I.B. of T. Excavators and Pavers Pension Trust Fund
Stockholder Derivative Action Two
Commitments And Contingencies [Line Items]
Loss Contingency, Name of Defendant	Keh-Shew Lu
Loss Contingency, Lawsuit Filing Date	Feb. 20, 2014
Loss Contingency, Name of Plaintiff	Persson
Loss Contingency, Allegations	on behalf of the Company against its directors, in which plaintiff alleges that the Board breached their fiduciary duties by allowing the Company to make allegedly misleading public statements in 2011 regarding the labor market in China and its impact on the Company’s business and prospects, by failing to maintain internal controls and by selling shares of Diodes stock while allegedly in possession of material nonpublic information regarding the labor market in China and its impact on the Company’s business and prospects.
Number of days given to extend stay of an action after either expiration of an appeal period or a final decision	30 days

XML

Share-Based Compensation - Additional Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash proceeds received from stock option exercises	$ 6
Stock Option Expense	1	1
Restricted Stock Expense	3	2
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Description	Stock options generally vest in equal annual installments over a four-year period and expire eight years after the grant date
Share-based Compensation Arrangement by Share-based Payment Award, Method of Measuring Cost of Award	Expense was estimated on the date of grant using the Black-Scholes-Merton option pricing model
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	8 years
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	5
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	2 years
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 17
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	2 years

XML

Earnings Per Share - Additional Information (Details)	3 Months Ended
	Mar. 31, 2015
Earnings Per Share [Abstract]
Earnings per share reconciliation disclosure	Basic earnings per share is calculated by dividing net income attributable to common stockholders by the weighted-average number of shares of Common Stock outstanding during the period. Diluted earnings per share is calculated similarly but includes potential dilution from the exercise of stock options and stock awards, except when the effect would be anti-dilutive.

XML

Employee Benefit Plans - Schedule of Assumptions Used (Details) (Pension Plan, Defined Benefit)	3 Months Ended
	Mar. 31, 2015
Pension Plan, Defined Benefit
Defined benefit plan, Weighted average assumptions used in calculating net periodic benefit cost [Abstract]
Discount rate	3.70%
Expected long-term return on plan assets	5.20%

XML

Segment Information and Enterprise-Wide Disclosure - Schedule of Net Sales by Countries (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Segment Reporting Revenue Reconciling Item [Line Items]
NET SALES	$ 206,182		$ 209,986
Percentage of net sales	100.00%		100.00%
China
Segment Reporting Revenue Reconciling Item [Line Items]
NET SALES	121,767		127,458
Percentage of net sales	59.00%		61.00%
United States
Segment Reporting Revenue Reconciling Item [Line Items]
NET SALES	20,427		19,641
Percentage of net sales	10.00%		9.00%
Korea
Segment Reporting Revenue Reconciling Item [Line Items]
NET SALES	17,265		20,125
Percentage of net sales	8.00%		10.00%
Germany
Segment Reporting Revenue Reconciling Item [Line Items]
NET SALES	15,331		14,827
Percentage of net sales	7.00%		7.00%
Singapore
Segment Reporting Revenue Reconciling Item [Line Items]
NET SALES	14,176		9,618
Percentage of net sales	7.00%		5.00%
Taiwan
Segment Reporting Revenue Reconciling Item [Line Items]
NET SALES	4,284		6,883
Percentage of net sales	2.00%		3.00%
All Others
Segment Reporting Revenue Reconciling Item [Line Items]
NET SALES	$ 12,932	[1]	$ 11,434	[1]
Percentage of net sales	7.00%	[1]	5.00%	[1]

[1] Represents countries with less than 3% of the total net sales each.

XML

Inventories

3 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Inventories

NOTE C – Inventories

Inventories stated at the lower of cost or market value are as follows (in thousands):

	March 31, 2015		December 31, 2014
Raw materials	$	81,508	$	73,564
Work-in-progress		45,010		42,417
Finished goods		60,861		66,045
Total	$	187,379	$	182,026

XML

Related Parties - Additional Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Lite On Semiconductor
Related Party Transaction [Line Items]
Related Party ownership of common stock			17.00%
Related Party Transaction, Description of Transaction	LSC is our largest stockholder, owning approximately 17% of our outstanding Common Stock as of March 31, 2015, and is a member of the Lite-On Group of companies.
Keylink
Related Party Transaction [Line Items]
Related Party ownership of common stock	5.00%
Related Party Transaction, Description of Transaction	Keylink is our 5% joint venture partner in our Shanghai assembly and test facilities.
Related Party Transaction Consulting Fees From Transactions With Related Party	4	$ 4
Chengdu Ya Guang Electronic Company Limited (“Ya Guang”)
Related Party Transaction [Line Items]
Related Party ownership of common stock	5.00%
Related Party Transaction, Description of Transaction	In addition, Chengdu Ya Guang Electronic Company Limited (“Ya Guang”) is our 5% joint venture partner in our two Chengdu assembly and test facilities

XML

Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Intangible assets subject to amortization
Gross carrying amount	$ 86,929	$ 86,928
Accumulated amortization	(42,088)	(40,164)
Foreign currency translation adjustment	(7,794)	(7,471)
Total	37,047	39,293
Intangible assets with indefinite lives
Gross carrying amount	6,403	6,403
Foreign currency translation adjustment	(787)	(668)
Total	5,616	5,735
Total intangible assets, net	$ 42,663	$ 45,028

XML

Goodwill and Intangible Assets - Schedule of Changes in Goodwill (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Goodwill
Goodwill beginning balance	$ 81,229
Foreign currency translation adjustment	(1,564)
Goodwill ending balance	$ 79,665

XML

Related Parties - Schedule Net Sales and Purchases of Related Party Transactions (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Lite On Semiconductor
Related Party Transaction [Line Items]
Revenue from related parties	$ 305	$ 115
Purchases from related parties	6,723	7,338
Keylink
Related Party Transaction [Line Items]
Revenue from related parties	2,365	2,264
Purchases from related parties	1,516	1,646
Nuvoton
Related Party Transaction [Line Items]
Purchases from related parties	$ 3,434	$ 3,336

XML

Goodwill and Intangible Assets - Additional Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Goodwill And Intangible Assets Disclosure [Abstract]
Amortization of Intangible Assets	$ 2	$ 2

XML

Income Tax Provision - Additional Information (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Income Tax Disclosure [Abstract]
INCOME TAX PROVISION	$ 4,187,000	$ 2,547,000
Effective tax rate	26.20%	19.60%	23.70%
Estimated Annual Income Tax Rate	25.00%
U.S. statutory tax rate	35.00%	35.00%
Domestic pre-tax income/(loss)	(6,000,000)
Foreign pre-tax income/(loss)	22,000,000
Tax holidays	1,000,000	1,000,000
Tax holidays basic EPS	$ 0.02	$ 0.02
Tax holidays diluted EPS	$ 0.02	$ 0.02
Unrecognized tax benefits	$ 19,000,000
Significant Change in Unrecognized Tax Benefits, Nature of Event	It is reasonably possible that the amount of the unrecognized benefit with respect to certain of our unrecognized tax positions will significantly increase or decrease within the next 12 months.
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range Not Possible	At this time, an estimate of the range of the reasonably possible outcomes cannot be made.

XML

Earnings Per Share

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Earnings Per Share

NOTE B – Earnings Per Share

Basic earnings per share is calculated by dividing net income attributable to common stockholders by the weighted-average number of shares of Common Stock outstanding during the period. Diluted earnings per share is calculated similarly but includes potential dilution from the exercise of stock options and stock awards, except when the effect would be anti-dilutive.

The computation of basic and diluted earnings per common share is as follows (in thousands, except per share data):

	Three Months Ended
	March 31,
	2015		2014
BASIC
Weighted average number of common shares outstanding   used in computing basic earnings per share		47,667		46,699
Net income attributable to common stockholders	$	11,132	$	10,202
Earnings per share attributable to common stockholders	$	0.23	$	0.22
DILUTED
Weighted average number of common shares outstanding   used in computing basic earnings per share		47,667		46,699
Add:  Dilutive effect of stock options and stock awards outstanding		1,311		1,297
		48,978		47,996
Net income attributable to common stockholders	$	11,132	$	10,202
Earnings per share attributable to common stockholders	$	0.23	$	0.21

XML

Share-Based Compensation - Schedule of Share-Based Compensation Expense (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share-based compensation expense	$ 3,680	$ 3,219
Cost of Goods Sold
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share-based compensation expense	123	96
Selling, General and Administrative
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share-based compensation expense	3,205	2,850
Research and Development
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share-based compensation expense	$ 352	$ 273

XML

Employee Benefit Plans - Additional Information (Details)	3 Months Ended			3 Months Ended						3 Months Ended
	Mar. 31, 2015 Deferred Compensation Plan USD ($)	Mar. 31, 2015 Before Agreement USD ($)	Mar. 31, 2015 After Agreement USD ($)	Mar. 31, 2015 Pension Plan, Defined Benefit USD ($)	Dec. 31, 2014 Pension Plan, Defined Benefit USD ($)	Jun. 30, 2012 Pension Plan, Defined Benefit USD ($)	Jun. 30, 2012 Pension Plan, Defined Benefit GBP (£)	Mar. 31, 2015 Pension Plan, Defined Benefit Zetex [Member] USD ($)	Mar. 31, 2015 Pension Plan, Defined Benefit Zetex [Member] GBP (£)	Mar. 31, 2015 Pension Plan, Defined Benefit Maximum USD ($)	Mar. 31, 2014 Pension Plan, Defined Benefit Maximum USD ($)
Employee Benefit Plans Additional Information [Abstract]
Defined Benefit Plans, General Information				We have a contributory defined benefit plan that covers certain employees in the United Kingdom (“U.K.”). The net pension and supplemental retirement benefit obligations and the related periodic costs are based on, among other things, assumptions regarding the discount rate, estimated return on plan assets and mortality rates. These obligations and related periodic costs are measured using actuarial techniques and assumptions.
Defined Benefit Plan, Pension, Method to Determine Vested Benefit Obligation				The projected unit credit method is the actuarial cost method used to compute the pension liabilities and related expenses.
Net period benefit costs										$ 1,000,000	$ 1,000,000
Deferred Compensation Plan Assets	5,000,000
Deferred Compensation Arrangements, Overall, Description	We maintain a Non-Qualified Deferred Compensation Plan (the “Deferred Compensation Plan”) for executive officers, key employees and members of the Board of Directors (the “Board”). The Deferred Compensation Plan allows eligible participants to defer the receipt of eligible compensation, including equity awards, until designated future dates. We offset our obligations under the Deferred Compensation Plan by investing in the actual underlying investments. These investments are classified as trading securities and are carried at fair value. At March 31, 2015, these investments totaled approximately $5 million. All gains and losses in these investments are materially offset by corresponding gains and losses in the Deferred Compensation Plan liabilities.
Change in Plan Assets [Roll Forward]
Weighted average discount rate benefit obligations				3.40%
Estimated Future Pension Benefit Payments [Abstract]
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year, Description				During the second quarter of 2012, we adopted a payment plan with the trustees of the defined benefit plan, in which we would pay approximately British Pound (“GBP”) 2 million (approximately $3 million based on a USD:GBP exchange rate of 1.6:1) every year from 2012 through 2019. In 2015, based on the pension deficit, we adopted (as required every three years) an amended payment plan that Zetex had in place with the trustees of the defined benefit plan in which we will pay contributions of approximately GBP 2 million (approximately $3 million based on a USD:GBP exchange rate of 1.6:1) annually through 2030. This revised payment plan resulted in an increase of total required contributions from $13 million to $49 million to match the underfunded status as of March 31, 2015.
Defined Benefit Plan, Expected Future Benefit Payments						3,000,000	2,000,000
Defined Benefit Plan, Expected Future Benefit Payments in Year One						3,000,000	2,000,000	3,000,000
Defined Benefit Plan, Expected Future Benefit Payments in Year Two						3,000,000	2,000,000	3,000,000
Defined Benefit Plan, Expected Future Benefit Payments in Year Three						3,000,000	2,000,000	3,000,000
Defined Benefit Plan, Expected Future Benefit Payments in Year Four						3,000,000	2,000,000	3,000,000
Defined Benefit Plan, Expected Future Benefit Payments in Year Five						3,000,000	2,000,000	3,000,000
Defined Benefit Plan Expected Future Benefit Payments In Ten Fiscal Years Thereafter								3,000,000	2,000,000
Defined Benefit Plan, Expected Future Benefit Payments in Three Fiscal Years Thereafter						3,000,000	2,000,000
USD:GBP exchange rate						0.625
Defined Benefit Plan Benefit Obligation, Outstanding Balance		$ 13,000,000	$ 49,000,000	$ 160,563,000	$ 159,715,000

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CONSOLIDATED CONDENSED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
CURRENT ASSETS
Cash and cash equivalents	$ 222,113	$ 243,000
Short-term investments	26,722	11,726
Accounts receivable, net	177,628	188,248
Inventories	187,379	182,026
Deferred income taxes, current	11,301	11,295
Prepaid expenses and other	46,455	50,510
Total current assets	671,598	686,805
PROPERTY, PLANT AND EQUIPMENT, net	325,278	309,931
DEFERRED INCOME TAXES, non-current	32,556	32,550
OTHER ASSETS
Goodwill	79,665	81,229
Intangible assets, net	42,663	45,028
Other	23,270	23,614
Total assets	1,175,030	1,179,157
CURRENT LIABILITIES
Lines of credit and short-term debt	973	1,064
Accounts payable	84,017	79,390
Accrued liabilities	62,513	60,436
Income tax payable	8,047	8,381
Total current liabilities	155,550	149,271
LONG-TERM DEBT, net of current portion	117,734	140,787
OTHER LONG-TERM LIABILITIES	78,918	78,932
Total liabilities	352,202	368,990
COMMITMENTS AND CONTINGENCIES (See Note H)
Diodes Incorporated stockholders' equity
Preferred stock - par value $1.00 per share; 1,000,000 shares authorized; no shares issued or outstanding
Common stock - par value $0.66 2/3 per share; 70,000,000 shares authorized; 47,963,677 and 47,591,092 issued and outstanding at March 31, 2015 and December 31, 2014, respectively	31,977	31,729
Additional paid-in capital	324,023	314,942
Retained earnings	501,138	490,006
Accumulated other comprehensive loss	(76,873)	(68,402)
Total Diodes Incorporated stockholders' equity	780,265	768,275
Noncontrolling interest	42,563	41,892
Total equity	822,828	810,167
Total liabilities and equity	$ 1,175,030	$ 1,179,157

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Related Parties - Schedule of Account Receivable and Payable of Related Party Transactions (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Related Party Transaction [Line Items]
Accounts receivable	$ 4,299	$ 4,357
Accounts payable	12,221	12,097
Lite On Semiconductor
Related Party Transaction [Line Items]
Accounts receivable	296	215
Accounts payable	5,146	4,458
Keylink
Related Party Transaction [Line Items]
Accounts receivable	4,003	4,142
Accounts payable	5,648	6,472
Nuvoton
Related Party Transaction [Line Items]
Accounts payable	$ 1,427	$ 1,167

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CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES
Net cash provided by operating activities	$ 38,568	$ 46,118
CASH FLOWS FROM INVESTING ACTIVITIES
Decrease in restricted cash	486
Purchases of property, plant and equipment	(23,539)	(11,817)
Purchases of short-term investments	(24,985)
Proceeds from sale of equity securities and short-term investments	10,007	2,315
Other	(148)	1,695
Net cash used in investing activities	(38,179)	(7,807)
CASH FLOWS FROM FINANCING ACTIVITIES
Advances on lines of credit and short-term debt	965	2,094
Repayments on lines of credit and short-term debt	(1,067)	(5,337)
Repayments of long-term debt	(23,071)	(17,277)
Net proceeds from issuance of common stock	5,649	280
Other	(88)	(82)
Net cash used in financing activities	(17,612)	(20,322)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(3,664)	(2,982)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(20,887)	15,007
CASH AND CASH EQUIVALENTS, beginning of period	243,000	196,635
CASH AND CASH EQUIVALENTS, end of period	222,113	211,642
Non-cash financing activities:
Property, plant and equipment purchased on accounts payable	$ (10,281)	$ (547)

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Share-Based Compensation - Schedule Of Nonvested Restricted Stock Units Activity (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Summary of the status of non vested share grants [Roll Forward]
Beginning balance nonvested	1,535
Granted	4
Vested	(5)
Forfeited	(9)
Ending balance nonvested	1,525
Weighted-Average Grant-Date Fair Value [Roll Forward]
Beginning balance nonvested	$ 23.32
Granted	$ 27.35
Vested	$ 24.70
Forfeited	$ 25.93
Ending balance nonvested	$ 23.67
Aggregate Intrinsic Value
Balance nonvested	$ 43,544	$ 42,324
Vested	$ 134

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Segment Information and Enterprise-Wide Disclosure (Tables)

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Schedule of Net Sales from External Customers and Long Lived Assets by Geographical Areas

Net sales are attributed to geographic areas based on the location of subsidiaries producing the net sales (in thousands):

Three Months Ended	Asia			North America			Europe			Consolidated
March 31, 2015
Total sales	$	191,289		$	39,241		$	43,121		$	273,651
Inter-company sales		(30,839	)		(16,640	)		(19,990	)		(67,469	)
Net sales	$	160,450		$	22,601		$	23,131		$	206,182
Three Months Ended	Asia			North America			Europe			Consolidated
March 31, 2014
Total sales	$	190,556		$	35,597		$	41,546		$	267,699
Inter-company sales		(23,285	)		(14,737	)		(19,691	)		(57,713	)
Net sales	$	167,271		$	20,860		$	21,855		$	209,986

Schedule of Net Sales by Countries

Net sales were derived from (shipped to) customers located in the following countries (in thousands):

	Net Sales
	for the Three Months				Percentage of
	Ended March 31,				Net Sales
	2015		2014		2015			2014
China	$	121,767	$	127,458		59	%		61	%
United States		20,427		19,641		10	%		9	%
Korea		17,265		20,125		8	%		10	%
Germany		15,331		14,827		7	%		7	%
Singapore		14,176		9,618		7	%		5	%
Taiwan		4,284		6,883		2	%		3	%
All Others (1)		12,932		11,434		7	%		5	%
Total	$	206,182	$	209,986		100	%		100	%

⁽¹⁾ Represents countries with less than 3% of the total net sales each.

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Segment Information and Enterprise-Wide Disclosure - Schedule of Net Sales from External Customers and Long Lived Assets by Geographical Areas (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Segment Reporting Information [Line Items]
NET SALES	$ 206,182	$ 209,986
Operating Segments
Segment Reporting Information [Line Items]
NET SALES	273,651	267,699
Intersegment Eliminations
Segment Reporting Information [Line Items]
NET SALES	(67,469)	(57,713)
Asia
Segment Reporting Information [Line Items]
NET SALES	160,450	167,271
Asia | Operating Segments
Segment Reporting Information [Line Items]
NET SALES	191,289	190,556
Asia | Intersegment Eliminations
Segment Reporting Information [Line Items]
NET SALES	(30,839)	(23,285)
North America
Segment Reporting Information [Line Items]
NET SALES	22,601	20,860
North America | Operating Segments
Segment Reporting Information [Line Items]
NET SALES	39,241	35,597
North America | Intersegment Eliminations
Segment Reporting Information [Line Items]
NET SALES	(16,640)	(14,737)
Europe
Segment Reporting Information [Line Items]
NET SALES	23,131	21,855
Europe | Operating Segments
Segment Reporting Information [Line Items]
NET SALES	43,121	41,546
Europe | Intersegment Eliminations
Segment Reporting Information [Line Items]
NET SALES	$ (19,990)	$ (19,691)

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Related Parties (Tables)

3 Months Ended

Mar. 31, 2015

Related Party Transaction [Line Items]

Schedule of Account Receivable and Payable of Related Party Transactions

Accounts receivable from, and accounts payable to, LSC, Keylink and Nuvoton are as follows (in thousands):

	March 31,		December 31,
	2015		2014
Accounts receivable
LSC	$	296	$	215
Keylink		4,003		4,142
	$	4,299	$	4,357
Accounts payable
LSC	$	5,146	$	4,458
Keylink		5,648		6,472
Nuvoton		1,427		1,167
	$	12,221	$	12,097

Lite On Semiconductor

Related Party Transaction [Line Items]

Schedule Net Sales and Purchases of Related Party Transactions

Net sales to, and purchases from, LSC are as follows (in thousands):

	Three Months Ended
	March 31,
	2015		2014
Net sales	$	305	$	115
Purchases	$	6,723	$	7,338

Keylink

Related Party Transaction [Line Items]

Schedule Net Sales and Purchases of Related Party Transactions

Net sales to, and purchases from, Keylink are as follows (in thousands):

	Three Months Ended
	March 31,
	2015		2014
Net sales	$	2,365	$	2,264
Purchases	$	1,516	$	1,646

Nuvoton

Related Party Transaction [Line Items]

Schedule Net Sales and Purchases of Related Party Transactions

Net purchases from Nuvoton are as follows (in thousands):

	Three Months Ended
	March 31,
	2015		2014
Purchases	$	3,434	$	3,336

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Nature of Operations, Basis of Presentation and Recently Issued Accounting Pronouncements

3 Months Ended

Mar. 31, 2015

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Nature of Operations, Basis of Presentation and Recently Issued Accounting Pronouncements

NOTE A – Nature of Operations, Basis of Presentation and Recently Issued Accounting Pronouncements

Nature of Operations

Diodes Incorporated, together with its subsidiaries (collectively, the “Company”, “we” or “our”), is a leading global manufacturer and supplier of high-quality, application specific standard products within the broad discrete, logic and analog semiconductor markets, serving the consumer electronics, computing, communications, industrial and automotive markets throughout Asia, North America and Europe.

Basis of Presentation

The accompanying unaudited consolidated condensed financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“U.S.”) (“GAAP”) for interim financial information and with the instructions to Form 10-Q. They do not include all information and footnotes necessary for a fair presentation of financial position, operating results and cash flows in conformity with U.S. GAAP for complete financial statements. These consolidated condensed financial statements should be read in conjunction with the consolidated financial statements and related notes contained in the our Annual Report on Form 10-K for the year ended December 31, 2014. All significant intercompany balances and transactions have been eliminated in consolidation. In the opinion of management, all adjustments (consisting of normal recurring adjustments and accruals) considered necessary for a fair presentation of the operating results for the period presented have been included in the interim period. Operating results for the three months ended March 31, 2015 are not necessarily indicative of the results that may be expected for other interim periods or the year ending December 31, 2015. The consolidated condensed financial data at December 31, 2014 is derived from audited financial statements included in the our Annual Report on Form 10-K for the year ended December 31, 2014, filed on March 2, 2015.

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from these estimates. As permitted under U.S. GAAP, interim accounting for certain expenses, including income taxes, are based on full year forecasts. For interim financial reporting purposes, income taxes are recorded based upon estimated annual effective income tax rates taking into consideration discrete items occurring in a quarter.

Certain prior year’s balances have been reclassified to conform to the current financial statement presentation.

Recently Issued Accounting Pronouncements

In April 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2014-08, Presentation of Financial Statements (Topic 205) and Property, Plant, and Equipment (Topic 360): Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity. Under ASU 2014-08, only disposals that represent a strategic shift that has (or will have) a major effect on the entity’s results and operations would qualify as discontinued operations, which could include a disposal of a major geographical area, a major line of business, a major equity method investment, or other major parts of an entity. ASU 2014-08 also expands the disclosure requirements for disposals of operations to include more information about assets, liabilities, income and expenses and requires entities to disclose information about disposals of individually significant components. ASU 2014-08 is effective in the first quarter of 2015, with early adoption permitted and could impact the Company’s consolidated financial results in the event of a transaction as described above.

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606).  ASU 2014-09 is based on the principle that revenue is recognized to depict the transfer of goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2014-09 also requires additional disclosure about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments and assets recognized from costs incurred to obtain or fulfill a contract.  ASU 2014-09 was originally effective in the first quarter of 2017, but in April 2015 the SEC issued a proposal to defer the effective date to the first quart of 2018.  Under this proposal, early adoption is permitted as of the original effective time period of first quarter of 2017 and requires either a retrospective or a modified retrospective approach to adoption.  The Company has not yet selected a transition method and is currently evaluating the effect that the updated standard will have on its consolidated financial statements and related disclosures.

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CONSOLIDATED CONDENSED BALANCE SHEETS (Parentheticals) (USD $)	Mar. 31, 2015	Dec. 31, 2014
Statement Of Financial Position [Abstract]
Preferred stock par value	$ 1.00	$ 1.00
Preferred stock shares authorized	1,000,000	1,000,000
Preferred stock shares issued	0	0
Preferred stock shares outstanding	0	0
Common stock par value	$ 0.666	$ 0.666
Common stock shares authorized	70,000,000	70,000,000
Common stock shares issued	47,963,677	47,591,092
Common stock shares outstanding	47,963,677	47,591,092

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Nature of Operations, Basis of Presentation and Recently Issued Accounting Pronouncements (Policies)

3 Months Ended

Mar. 31, 2015

Nature Of Operations Basis Of Presentation And Recently Issued Accounting Pronouncements [Abstract]

Nature of Operations

Nature of Operations

Diodes Incorporated, together with its subsidiaries (collectively, the “Company”, “we” or “our”), is a leading global manufacturer and supplier of high-quality, application specific standard products within the broad discrete, logic and analog semiconductor markets, serving the consumer electronics, computing, communications, industrial and automotive markets throughout Asia, North America and Europe.

Basis of Presentation

Basis of Presentation

The accompanying unaudited consolidated condensed financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“U.S.”) (“GAAP”) for interim financial information and with the instructions to Form 10-Q. They do not include all information and footnotes necessary for a fair presentation of financial position, operating results and cash flows in conformity with U.S. GAAP for complete financial statements. These consolidated condensed financial statements should be read in conjunction with the consolidated financial statements and related notes contained in the our Annual Report on Form 10-K for the year ended December 31, 2014. All significant intercompany balances and transactions have been eliminated in consolidation. In the opinion of management, all adjustments (consisting of normal recurring adjustments and accruals) considered necessary for a fair presentation of the operating results for the period presented have been included in the interim period. Operating results for the three months ended March 31, 2015 are not necessarily indicative of the results that may be expected for other interim periods or the year ending December 31, 2015. The consolidated condensed financial data at December 31, 2014 is derived from audited financial statements included in the our Annual Report on Form 10-K for the year ended December 31, 2014, filed on March 2, 2015.

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from these estimates. As permitted under U.S. GAAP, interim accounting for certain expenses, including income taxes, are based on full year forecasts. For interim financial reporting purposes, income taxes are recorded based upon estimated annual effective income tax rates taking into consideration discrete items occurring in a quarter.

Certain prior year’s balances have been reclassified to conform to the current financial statement presentation.

Recently Issued Accounting Pronouncements

Recently Issued Accounting Pronouncements

In April 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2014-08, Presentation of Financial Statements (Topic 205) and Property, Plant, and Equipment (Topic 360): Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity. Under ASU 2014-08, only disposals that represent a strategic shift that has (or will have) a major effect on the entity’s results and operations would qualify as discontinued operations, which could include a disposal of a major geographical area, a major line of business, a major equity method investment, or other major parts of an entity. ASU 2014-08 also expands the disclosure requirements for disposals of operations to include more information about assets, liabilities, income and expenses and requires entities to disclose information about disposals of individually significant components. ASU 2014-08 is effective in the first quarter of 2015, with early adoption permitted and could impact the Company’s consolidated financial results in the event of a transaction as described above.

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606).  ASU 2014-09 is based on the principle that revenue is recognized to depict the transfer of goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2014-09 also requires additional disclosure about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments and assets recognized from costs incurred to obtain or fulfill a contract.  ASU 2014-09 was originally effective in the first quarter of 2017, but in April 2015 the SEC issued a proposal to defer the effective date to the first quart of 2018.  Under this proposal, early adoption is permitted as of the original effective time period of first quarter of 2017 and requires either a retrospective or a modified retrospective approach to adoption.  The Company has not yet selected a transition method and is currently evaluating the effect that the updated standard will have on its consolidated financial statements and related disclosures.

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Document and Entity Information	3 Months Ended
	Mar. 31, 2015	May 04, 2015
Document And Entity Information [Abstract]
Document type	10-Q
Document period end date	Mar. 31, 2015
Amendment flag	false
Entity registrant name	DIODES INC /DEL/
Entity central index key	0000029002
Current fiscal year end date	--12-31
Entity filer category	Large Accelerated Filer
Entity common stock shares outstanding		47,974,864
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1
Trading Symbol	DIOD

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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The computation of basic and diluted earnings per common share is as follows (in thousands, except per share data):

	Three Months Ended
	March 31,
	2015		2014
BASIC
Weighted average number of common shares outstanding   used in computing basic earnings per share		47,667		46,699
Net income attributable to common stockholders	$	11,132	$	10,202
Earnings per share attributable to common stockholders	$	0.23	$	0.22
DILUTED
Weighted average number of common shares outstanding   used in computing basic earnings per share		47,667		46,699
Add:  Dilutive effect of stock options and stock awards outstanding		1,311		1,297
		48,978		47,996
Net income attributable to common stockholders	$	11,132	$	10,202
Earnings per share attributable to common stockholders	$	0.23	$	0.21

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CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Income Statement [Abstract]
NET SALES	$ 206,182	$ 209,986
COST OF GOODS SOLD	142,269	148,405
Gross profit	63,913	61,581
OPERATING EXPENSES
Selling, general and administrative	31,731	32,330
Research and development	13,309	12,920
Other operating expenses	1,970	1,988
Total operating expenses	47,010	47,238
Income from operations	16,903	14,343
OTHER INCOME (EXPENSES)	(939)	(1,350)
Income before income taxes and noncontrolling interest	15,964	12,993
INCOME TAX PROVISION	4,187	2,547
NET INCOME	11,777	10,446
Less: NET INCOME attributable to noncontrolling interest	(645)	(244)
NET INCOME attributable to common stockholders	$ 11,132	$ 10,202
EARNINGS PER SHARE attributable to common stockholders
Basic	$ 0.23	$ 0.22
Diluted	$ 0.23	$ 0.21
Number of shares used in computation
Basic	47,667	46,699
Diluted	48,978	47,996

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Share-Based Compensation

3 Months Ended

Mar. 31, 2015

Share Based Compensation [Abstract]

Share-Based Compensation

NOTE F – Share-Based Compensation

The following table shows the total compensation expensed for share-based compensation plans, including stock options and share grants, recognized in the statements of operations (in thousands):

	Three Months Ended
	March 31,
	2015		2014
Cost of goods sold	$	123	$	96
Selling, general and administrative		3,205		2,850
Research and development		352		273
Total share-based compensation expense	$	3,680	$	3,219

Stock Options. Stock options generally vest in equal annual installments over a four-year period and expire eight years after the grant date, and expense was estimated on the date of grant using the Black-Scholes-Merton option pricing model.

The total net cash proceeds received from stock option exercises during the three months ended March 31, 2015 was approximately $6 million. Stock option expense was approximately $1 million for both the three months ended March 31, 2015 and 2014.

A summary of the stock option grants is as follows:

Stock Options	Shares (000)			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (yrs)		Aggregate Intrinsic Value ($000)
Outstanding at January 1, 2015		2,736		$	21.26		4	$	17,840
Granted		-			-
Exercised		(368	)		15.36				5,279
Forfeited or expired		-			-
Outstanding at March 31, 2015		2,368		$	22.18		4	$	15,276
Exercisable at March 31,  2015		1,840		$	21.51		3	$	13,094

The aggregate intrinsic value in the table above is before applicable income taxes and represents the amount option holders would have received if all options had been exercised on the last business day of the period indicated, based on our closing stock price.

As of March 31, 2015, total unrecognized share-based compensation expense related to unvested stock options, net of forfeitures, was approximately $5 million, before income taxes, and is expected to be recognized over a weighted average period of approximately 2 years.

Share Grants. Restricted stock awards and restricted stock units generally vest in equal annual installments over a four-year period.

Share grant expense for the three months ended March 31, 2015 and 2014 was approximately $3 million and $2 million, respectively.

A summary of our non-vested share grants is as follows:

Share Grants	Shares (000)			Weighted Average Grant-Date Fair Value		Aggregate Intrinsic Value ($000)
Non-vested at January 1, 2015		1,535		$	23.32	$	42,324
Granted		4			27.35
Vested		(5	)		24.70		134
Forfeited		(9	)		25.93
Non-vested at March 31, 2015		1,525		$	23.67	$	43,544

As of March 31, 2015, total unrecognized share-based compensation expense related to non-vested stock awards, net of forfeitures, was approximately $17 million, before income taxes, and is expected to be recognized over a weighted average period of approximately 2 years.

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Income Tax Provision

3 Months Ended

Mar. 31, 2015

Income Tax Disclosure [Abstract]

Income Tax Provision

NOTE E – Income Tax Provision

Income tax expense of approximately $4 million and $3 million was recorded for the three months ended March 31, 2015 and 2014, respectively. This resulted in an effective tax rate of 26.2% for the three months ended March 31, 2015, as compared to 19.6% in the same period last year and compared to 23.7% for the full year of 2014.   The effective tax rate for the three months ended March 31, 2015 includes an immaterial charge for various discrete items. The estimated annual tax rate for 2015 is expected to be approximately 25%, excluding discrete items.  Our effective tax rates for the three months ended March 31, 2015 and 2014, excluding discrete items, were lower than the U.S. statutory tax rate of 35%, principally from the impact of income in lower-taxed jurisdictions.

For the three months ended March 31, 2015, we reported domestic and foreign pre-tax income/(loss) of approximately $(6) million and $22 million, respectively. Funds repatriated from foreign subsidiaries to the U.S. may be subject to federal and state income taxes. We intend to permanently reinvest overseas all of our earnings from our foreign subsidiaries, except to the extent such undistributed earnings have previously been subject to US tax; accordingly, deferred U.S. taxes are not recorded on undistributed foreign earnings.

The impact of tax holidays decreased our tax expense by approximately $1 million for both the three months ended March 31, 2015 and 2014. The benefit of the tax holidays on both basic and diluted earnings per share for both the three months ended March 31, 2015 and 2014 was approximately $0.02.  

We file income tax returns in the U.S. federal jurisdiction and in various state and foreign jurisdictions. We are no longer subject to U.S. federal income tax examinations by tax authorities for tax years before 2007, or for the 2010 tax year.  We are no longer subject to China income tax examinations by tax authorities for tax years before 2004. With respect to state and local jurisdictions and countries outside of the U.S. (other than China), with limited exceptions, we are no longer subject to income tax audits for years before 2006. Although the outcome of tax audits is always uncertain, we believe that adequate amounts of tax, interest and penalties, if any, have been provided in our reserve for any adjustments that may result from tax audits. We recognize accrued interest and penalties related to unrecognized tax benefits in interest expense. As of March 31, 2015, the gross amount of unrecognized tax benefits was approximately $19 million.

It is reasonably possible that the amount of the unrecognized benefit with respect to certain of our unrecognized tax positions will significantly increase or decrease within the next 12 months. At this time, an estimate of the range of the reasonably possible outcomes cannot be made.

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Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2015

General Discussion Of Pension And Other Postretirement Benefits [Abstract]

Schedule of Benefit Obligation, Fair Value of Plan Assets, and Funded Status of our Plan

The following tables set forth the benefit obligation, the fair value of plan assets, and the funded status of our plan (in thousands):

	Defined Benefit Plan
Change in benefit obligation:
Balance at December 31, 2014	$	159,715
Service cost		76
Interest cost		1,433
Actuarial loss		8,156
Benefits paid		(976	)
Currency changes		(7,841	)
Benefit obligation at March 31, 2015	$	160,563
Change in plan assets:
Fair value of plan assets at December 31, 2014	$	122,780
Actual return on plan assets		7,497
Employer contribution		303
Benefits paid		(976	)
Currency changes		(6,030	)
Fair value of plan assets at March 31, 2015	$	123,574
Underfunded status at March 31, 2015	$	(36,989	)

Schedule of Assumptions Used

The following weighted-average assumptions were used to determine net periodic benefit costs for the three months ended March 31, 2015:

Discount rate	3.7	%
Expected long-term return on plan assets	5.2	%

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Inventories (Tables)

3 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Schedule Of Inventory Current

Inventories stated at the lower of cost or market value are as follows (in thousands):

	March 31, 2015		December 31, 2014
Raw materials	$	81,508	$	73,564
Work-in-progress		45,010		42,417
Finished goods		60,861		66,045
Total	$	187,379	$	182,026

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Employee Benefit Plans

3 Months Ended

Mar. 31, 2015

General Discussion Of Pension And Other Postretirement Benefits [Abstract]

Employee Benefit Plans

NOTE I – Employee Benefit Plans

Defined Benefit Plan

We have a contributory defined benefit plan that covers certain employees in the United Kingdom (“U.K.”). The net pension and supplemental retirement benefit obligations and the related periodic costs are based on, among other things, assumptions regarding the discount rate, estimated return on plan assets and mortality rates. These obligations and related periodic costs are measured using actuarial techniques and assumptions. The projected unit credit method is the actuarial cost method used to compute the pension liabilities and related expenses.

Net periodic benefit costs associated with the defined benefit plan were less than $1 million for both the three months ended March 31, 2015 and 2014, respectively.

The following tables set forth the benefit obligation, the fair value of plan assets, and the funded status of our plan (in thousands):

	Defined Benefit Plan
Change in benefit obligation:
Balance at December 31, 2014	$	159,715
Service cost		76
Interest cost		1,433
Actuarial loss		8,156
Benefits paid		(976	)
Currency changes		(7,841	)
Benefit obligation at March 31, 2015	$	160,563
Change in plan assets:
Fair value of plan assets at December 31, 2014	$	122,780
Actual return on plan assets		7,497
Employer contribution		303
Benefits paid		(976	)
Currency changes		(6,030	)
Fair value of plan assets at March 31, 2015	$	123,574
Underfunded status at March 31, 2015	$	(36,989	)

Based on an actuarial study performed as of March 31, 2015, the plan is underfunded and a liability is reflected in our consolidated financial statements as a long-term liability. The weighted-average discount rate assumption used to determine benefit obligations as of March 31, 2015 was 3.4%.

The following weighted-average assumptions were used to determine net periodic benefit costs for the three months ended March 31, 2015:

Discount rate	3.7	%
Expected long-term return on plan assets	5.2	%

During the second quarter of 2012, we adopted a payment plan with the trustees of the defined benefit plan, in which we would pay approximately British Pound (“GBP”) 2 million (approximately $3 million based on a USD:GBP exchange rate of 1.6:1) every year from 2012 through 2019. In 2015, based on the pension deficit, we adopted (as required every three years) an amended payment plan that Zetex had in place with the trustees of the defined benefit plan in which we will pay contributions of approximately GBP 2 million (approximately $3 million based on a USD:GBP exchange rate of 1.6:1) annually through 2030. This revised payment plan resulted in an increase of total required contributions from $13 million to $49 million to match the underfunded status as of March 31, 2015.

We also have pension plans in Germany and Asia for which the benefit obligation, fair value of the plan assets and the funded status amounts are deemed immaterial and therefore, are not included in the figures or assumptions above.

Deferred Compensation

We maintain a Non-Qualified Deferred Compensation Plan (the “Deferred Compensation Plan”) for executive officers, key employees and members of the Board of Directors (the “Board”). The Deferred Compensation Plan allows eligible participants to defer the receipt of eligible compensation, including equity awards, until designated future dates. We offset our obligations under the Deferred Compensation Plan by investing in the actual underlying investments. These investments are classified as trading securities and are carried at fair value. At March 31, 2015, these investments totaled approximately $5 million. All gains and losses in these investments are materially offset by corresponding gains and losses in the Deferred Compensation Plan liabilities.

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Segment Information and Enterprise-Wide Disclosure

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Segment Information and Enterprise-Wide Disclosure

NOTE G – Segment Information and Enterprise-Wide Disclosure

For financial reporting purposes, we operate in a single segment, standard semiconductor products, through our various manufacturing and distribution facilities. We aggregate our products because the products are similar and have similar economic characteristics, use similar production processes and share the same customer type.

Our primary operations include operations in Asia, North America and Europe.

Net sales are attributed to geographic areas based on the location of subsidiaries producing the net sales (in thousands):

Three Months Ended	Asia			North America			Europe			Consolidated
March 31, 2015
Total sales	$	191,289		$	39,241		$	43,121		$	273,651
Inter-company sales		(30,839	)		(16,640	)		(19,990	)		(67,469	)
Net sales	$	160,450		$	22,601		$	23,131		$	206,182
Three Months Ended	Asia			North America			Europe			Consolidated
March 31, 2014
Total sales	$	190,556		$	35,597		$	41,546		$	267,699
Inter-company sales		(23,285	)		(14,737	)		(19,691	)		(57,713	)
Net sales	$	167,271		$	20,860		$	21,855		$	209,986

Geographic Information

Net sales were derived from (shipped to) customers located in the following countries (in thousands):

	Net Sales
	for the Three Months				Percentage of
	Ended March 31,				Net Sales
	2015		2014		2015			2014
China	$	121,767	$	127,458		59	%		61	%
United States		20,427		19,641		10	%		9	%
Korea		17,265		20,125		8	%		10	%
Germany		15,331		14,827		7	%		7	%
Singapore		14,176		9,618		7	%		5	%
Taiwan		4,284		6,883		2	%		3	%
All Others (1)		12,932		11,434		7	%		5	%
Total	$	206,182	$	209,986		100	%		100	%

⁽¹⁾ Represents countries with less than 3% of the total net sales each.

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2015

Commitments And Contingencies Disclosure [Abstract]

Commitments and Contingencies

NOTE H – Commitments and Contingencies

Purchase commitments – As March 31, 2015, we had approximately $16 million in non-cancelable purchase contracts related to capital expenditures, primarily for manufacturing equipment in China.

Contingencies –From time to time, we are involved in various legal proceedings that arise in the normal course of business. While we intend to defend any lawsuit vigorously, we presently believe that the ultimate outcome of any current pending legal proceeding will not have any material adverse effect on our financial position, cash flows or operating results. However, litigation is subject to inherent uncertainties, and unfavorable rulings could occur. An unfavorable ruling could include monetary damages, which could impact on our business and operating results for the period in which the ruling occurs or future periods.  Based on information available, we evaluate the likelihood of potential outcomes. We record the appropriate liability when the amount is deemed probable and reasonably estimable. In addition, we do not accrue for estimated legal fees and other directly related costs as they are expensed as incurred.  Legal proceedings that we believe are material are disclosed below.

OnSeptember15,2014,theUnitedStatesDistrictCourtfortheEasternDistrictofTexasissuedanorderregardingtheputative securitiesclassactionentitledLocal731I.B.ofT.ExcavatorsandPaversPensionTrustFundv.Diodes,Inc.,CivilActionNo.6:13- cv-00247(E.D.Tex.filedMar.15,2013)(the“ClassAction”),grantingdefendants’motiontodismisstheClassActionwith prejudice.OnOctober13,2014,plaintiffsfiledanoticeofappealtotheorderdismissingtheClassActiontotheUnitedStatesCourt ofAppealsfortheFifthCircuit.The appeal is fully briefed.  The Court has not yet set a date for argument.

OnFebruary20,2014,apurportedstockholderderivativeactionwasfiledintheUnitedStatesDistrictCourtfortheEastern District of Texas, entitled Perssonv. Keh-Shew Lu, CaseNo.4:14-cv-00108-RC-ALM (E.D. Tex. filed Feb. 20,2014), onbehalfof the Companyagainstitsdirectors,inwhichplaintiffallegesthattheBoardbreachedtheirfiduciarydutiesbyallowingtheCompanyto makeallegedlymisleadingpublicstatementsin2011regardingthelabormarketinChinaanditsimpactontheCompany’sbusiness andprospects,byfailingtomaintaininternalcontrolsandbysellingsharesofDiodesstockwhileallegedlyinpossessionofmaterial nonpublicinformationregardingthelabormarketinChinaanditsimpactontheCompany’sbusinessandprospects.Thecomplaint doesnotseekanydamagesorotherrelieffromtheCompany.OnApril17,2014,theCourtgrantedtheparties’unopposedmotionto staythisactionuntilsuchtimethattheCourtrulesondefendants’motiontodismissintheClassAction.OnOctober2,2014,the Courtgrantedtheparties’unopposedmotiontoextendthestayofthisactionuntil30daysaftereithertheexpirationoftheappeal periodorafinaldecisionbythehighestcourtofappealsregardingthedefendants’motiontodismissintheClassAction.The defendants intend todefendthe actionvigorously.

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Related Parties

3 Months Ended

Mar. 31, 2015

Related Party Transactions [Abstract]

Related Parties

NOTE J – Related Parties

Weconductbusinesswithtworelatedpartycompanies,Lite-OnSemiconductorCorporation anditssubsidiariesandaffiliates (“LSC”),andNuvotonTechnologyCorporationanditssubsidiariesandaffiliates(collectively,“Nuvoton”).LSCisourlargest stockholder,owningapproximately17%ofouroutstandingCommonStockasofMarch 31,2015,andisamemberoftheLite-On Groupofcompanies.RaymondSoong,theChairmanoftheBoardofDirectors,istheChairmanofLSC,andistheChairmanofLite- OnTechnologyCorporation(“LTC”),asignificantshareholderofLSC.C.H.Chen,ourformerPresidentandChiefExecutiveOfficer andcurrentlythe ViceChairmanofthe Boardof Directors,isalsoVice ChairmanofLSCanda boardmemberofLTC.Dr. Keh-Shew Lu,ourPresidentandChiefExecutiveOfficerandamemberofourBoardofDirectors,isaboardmemberofLTC,andaboard memberofNuvoton.L.P.Hsu,amemberofourBoardofDirectorsservesasaconsultanttoLTC,andisasupervisoroftheboardof Nuvoton.WeconsiderourrelationshipswithLSC andNuvotontobemutually beneficial, and weplantocontinue our strategic alliancewithLSC and Nuvoton.

Wealsoconductbusinesswithasignificantcompany,KeylinkInternational(B.V.I.)Inc.anditssubsidiariesandaffiliates (collectively, “Keylink”).Keylinkisour5%jointventurepartnerinourShanghaiassemblyandtestfacilities.Inaddition,ChengduYaGuang ElectronicCompanyLimited(“YaGuang”)isour5%jointventurepartnerinourtwoChengduassemblyandtestfacilities;however, wehavenomaterialtransactionswithYaGuang.TheAuditCommitteeoftheBoardreviewsallrelatedpartytransactionsfor potentialconflictofinterestsituationsonanongoingbasis,allinaccordancewithsuchproceduresastheAuditCommitteemayadopt fromtime totime.

Lite-On Semiconductor Corporation – We sell semiconductor products to LSC and purchase semiconductor products from LSC for subsequent sale, making LSC one of our largest suppliers.

Net sales to, and purchases from, LSC are as follows (in thousands):

	Three Months Ended
	March 31,
	2015		2014
Net sales	$	305	$	115
Purchases	$	6,723	$	7,338

Keylink International (B.V.I.) Inc. – We sell semiconductor products to Keylink and purchase semiconductor products for subsequent sale. Inaddition,oursubsidiariesinChinaleasetheirmanufacturingfacilitiesinShanghaifrom,andsubcontracta portionofourmanufacturingprocess(metalplatingandenvironmentalservices)to,Keylink. We also pay a consulting fee to Keylink.  The aggregate amounts for these services for both the three months ended March 31, 2015 and 2014 were approximately $4 million.

Net sales to, and purchases from, Keylink are as follows (in thousands):

	Three Months Ended
	March 31,
	2015		2014
Net sales	$	2,365	$	2,264
Purchases	$	1,516	$	1,646

Nuvoton Technology Corporation – We purchase wafers from Nuvoton that we use in the production of finished goods.  

Net purchases from Nuvoton are as follows (in thousands):

	Three Months Ended
	March 31,
	2015		2014
Purchases	$	3,434	$	3,336

Accounts receivable from, and accounts payable to, LSC, Keylink and Nuvoton are as follows (in thousands):

	March 31,		December 31,
	2015		2014
Accounts receivable
LSC	$	296	$	215
Keylink		4,003		4,142
	$	4,299	$	4,357
Accounts payable
LSC	$	5,146	$	4,458
Keylink		5,648		6,472
Nuvoton		1,427		1,167
	$	12,221	$	12,097

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Share-Based Compensation - Schedule of Share Based Compensation Stock Options Activity (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Stock Options, Shares:
Outstanding Beginning Shares	2,736
Exercised Shares	(368)
Outstanding Ending Shares	2,368
Shares Exercisable	1,840
Weighted Average Exercise Price:
Outstanding Beginning Weighted Average Exercise Price	$ 21.26
Exercised Weighted Average Exercise Price	$ 15.36
Outstanding Ending Weighted Average Exercise Price	$ 22.18
Exercisable Weighted Average Exercise Price	$ 21.51
Weighted Average Remaining Contractual Term:
Outstanding Weighted Average Remaining Contractual Term	4 years
Exercisable Weighted Average Remaining Contractual Term	3 years
Aggregate Intrinsic Value :
Outstanding Intrinsic Value	$ 17,840
Exercised Intrinsic Value	5,279
Outstanding Intrinsic Value	15,276
Exercisable Intrinsic Value	$ 13,094

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Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2015

Share Based Compensation [Abstract]

Schedule of Share-Based Compensation Expense

The following table shows the total compensation expensed for share-based compensation plans, including stock options and share grants, recognized in the statements of operations (in thousands):

	Three Months Ended
	March 31,
	2015		2014
Cost of goods sold	$	123	$	96
Selling, general and administrative		3,205		2,850
Research and development		352		273
Total share-based compensation expense	$	3,680	$	3,219

Schedule of Share Based Compensation Stock Options Activity

A summary of the stock option grants is as follows:

Stock Options	Shares (000)			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (yrs)		Aggregate Intrinsic Value ($000)
Outstanding at January 1, 2015		2,736		$	21.26		4	$	17,840
Granted		-			-
Exercised		(368	)		15.36				5,279
Forfeited or expired		-			-
Outstanding at March 31, 2015		2,368		$	22.18		4	$	15,276
Exercisable at March 31,  2015		1,840		$	21.51		3	$	13,094

Schedule Of Nonvested Restricted Stock Units Activity

A summary of our non-vested share grants is as follows:

Share Grants	Shares (000)			Weighted Average Grant-Date Fair Value		Aggregate Intrinsic Value ($000)
Non-vested at January 1, 2015		1,535		$	23.32	$	42,324
Granted		4			27.35
Vested		(5	)		24.70		134
Forfeited		(9	)		25.93
Non-vested at March 31, 2015		1,525		$	23.67	$	43,544

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Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
BASIC
Weighted average number of common shares outstanding used in computing basic earnings per share	47,667	46,699
Net income attributable to common stockholders	$ 11,132	$ 10,202
Earnings per share attributable to common stockholders	$ 0.23	$ 0.22
DILUTED
Weighted average number of common shares outstanding used in computing basic earnings per share	47,667	46,699
Add: Dilutive effect of stock options and stock awards outstanding	1,311	1,297
Diluted shares	48,978	47,996
Net income attributable to common stockholders	$ 11,132	$ 10,202
Earnings per share attributable to common stockholders	$ 0.23	$ 0.21

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Employee Benefit Plans - Schedule of Changes in Fair Value of Plan Assets (Details) (Pension Plan, Defined Benefit, USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Pension Plan, Defined Benefit
Change in Benefit Obligation [Roll Forward]
Benefit obligation - beginning	$ 159,715
Service cost	76
Interest cost	1,433
Actuarial gain	8,156
Benefits paid	(976)
Currency changes	(7,841)
Benefit obligation - ending	160,563
Change in Plan Assets [Roll Forward]
Fair value of plan assets - beginning	122,780
Actual return	7,497
Employer contribution	303
Benefits paid	(976)
Currency changes	(6,030)
Fair value of plan assets - ending	123,574
Underfunded status	$ (36,989)

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CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest [Abstract]
Net income	$ 11,777	$ 10,446
Foreign currency translation adjustment	(6,160)	(3,936)
Unrealized gain (loss) on defined benefit plan, net of tax	(1,813)	1,266
Unrealized foreign currency gain (loss), net of tax	(498)	79
Comprehensive income	3,306	7,855
Less: Comprehensive income attributable to noncontrolling interest	(645)	(244)
Total comprehensive income attributable to common stockholders	$ 2,661	$ 7,611

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Goodwill and Intangible Assets

3 Months Ended

Mar. 31, 2015

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

NOTE D – Goodwill and Intangible Assets

Changes in goodwill are as follows (in thousands):

Balance at December 31, 2014	$	81,229
Foreign currency translation adjustment		(1,564	)
Balance at March 31, 2015	$	79,665

Intangible assets are as follows (in thousands):

	March 31,			December 31,
	2015			2014
Intangible assets subject to amortization:
Gross carrying amount	$	86,929		$	86,928
Accumulated amortization		(42,088	)		(40,164	)
Foreign currency translation adjustment		(7,794	)		(7,471	)
Total		37,047			39,293
Intangible assets with indefinite lives:
Gross carrying amount		6,403			6,403
Foreign currency translation adjustment		(787	)		(668	)
Total		5,616			5,735
Total intangible assets, net	$	42,663		$	45,028

Amortization expense related to intangible assets subject to amortization was approximately $2 million for both the three months ended March 31, 2015 and 2014.

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Inventories (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Inventory Disclosure [Abstract]
Raw materials	$ 81,508	$ 73,564
Work-in-progress	45,010	42,417
Finished goods	60,861	66,045
Total	$ 187,379	$ 182,026

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Segment Information and Enterprise-Wide Disclosure - Schedule of Net Sales by Countries (Parenthetical) (Details)	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Segment Reporting Revenue Reconciling Item [Line Items]
Percentage of net sales	100.00%		100.00%
All Others
Segment Reporting Revenue Reconciling Item [Line Items]
Percentage of net sales	7.00%	[1]	5.00%	[1]
All Others | Maximum
Segment Reporting Revenue Reconciling Item [Line Items]
Percentage of net sales	3.00%		3.00%

[1] Represents countries with less than 3% of the total net sales each.

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Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Changes in Goodwill

Changes in goodwill are as follows (in thousands):

Balance at December 31, 2014	$	81,229
Foreign currency translation adjustment		(1,564	)
Balance at March 31, 2015	$	79,665

Schedule of Intangible Assets

Intangible assets are as follows (in thousands):

	March 31,			December 31,
	2015			2014
Intangible assets subject to amortization:
Gross carrying amount	$	86,929		$	86,928
Accumulated amortization		(42,088	)		(40,164	)
Foreign currency translation adjustment		(7,794	)		(7,471	)
Total		37,047			39,293
Intangible assets with indefinite lives:
Gross carrying amount		6,403			6,403
Foreign currency translation adjustment		(787	)		(668	)
Total		5,616			5,735
Total intangible assets, net	$	42,663		$	45,028