10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

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

For the quarterly period ended June 30, 2017

Or

☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the transition period from to .

Commission file number: 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  ☒    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  ☒    No   ☐

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

Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐  (Do not check if a smaller reporting company)	Smaller reporting company	☐
Emerging growth company	☐

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

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

The number of shares of the registrant’s Common Stock outstanding as of August 4, 2017 was49,073,317.

Table of Contents

	Page
Part I – Financial Information	3
Item 1. Financial Statements	3
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	16
Item 3. Quantitative and Qualitative Disclosures About Market Risk	26
Item 4. Controls and Procedures	26
Part II – Other Information	27
Item 1. Legal Proceedings	27
Item 1A. Risk Factors	27
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	27
Item 3. Defaults Upon Senior Securities	27
Item 4. Mine Safety Disclosures	27
Item 5. Other Information	27
Item 6. Exhibits	28
Signatures	29

PART I—FINANCIAL INFORMATION

Item 1. Financial Statements.

DIODES INCORPORATED AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

(In thousands, except share and per share data)

	June 30,			December 31,
	2017			2016
	(Unaudited)
Assets
Current assets:
Cash and cash equivalents	$	266,605		$	247,802
Short-term investments		16,420			29,842
Accounts receivable, net of allowances of $2,981 and $2,141 at   June 30, 2017 and December 31, 2016, respectively		223,011			217,217
Inventories		207,726			193,483
Prepaid expenses and other		44,671			44,438
Total current assets		758,433			732,782
Property, plant and equipment, net		427,068			401,988
Deferred income tax		62,114			56,047
Goodwill		132,290			129,412
Intangible assets, net		165,696			174,876
Other		33,528			33,447
Total assets	$	1,579,129		$	1,528,552
Liabilities
Current liabilities:
Accounts payable	$	110,338		$	87,600
Accrued liabilities		88,543			71,562
Income tax payable		265			11,855
Current portion of long-term debt		17,895			14,356
Total current liabilities		217,041			185,373
Long-term debt, net of current portion		383,336			413,126
Deferred tax liabilities		28,587			28,213
Other long-term liabilities		82,858			81,373
Total liabilities		711,822			708,085
Commitments and contingencies (See Note 8)
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;   48,734,340 and 48,219,376, issued and outstanding at June 30, 2017   and December 31, 2016,  respectively		33,263			32,919
Additional paid-in capital		370,344			354,574
Retained earnings		548,887			530,215
Treasury stock, at cost, 1,157,206 shares held at June 30, 2017   and December 31, 2016		(29,023	)		(29,023	)
Accumulated other comprehensive loss		(97,001	)		(112,666	)
Total stockholders' equity		826,470			776,019
Noncontrolling interest		40,837			44,448
Total equity		867,307			820,467
Total liabilities and stockholders' equity	$	1,579,129		$	1,528,552
The accompanying notes are an integral part of these condensed consolidated financial statements.

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DIODES INCORPORATED AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(Unaudited)

(In thousands, except per share data)

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2017			2016			2017			2016
Net sales	$	264,224		$	236,645		$	500,527		$	459,383
Cost of goods sold		174,085			161,828			336,477			320,346
Gross profit		90,139			74,817			164,050			139,037
Operating expenses
Selling, general and administrative		39,697			41,390			79,387			80,844
Research and development		19,796			17,010			37,836			35,159
Amortization of acquisition related intangible assets		4,646			5,131			9,404			10,262
Restructuring expense		1,838			-			4,069			-
Other operating expenses		334			9			169			40
Total operating expenses		66,311			63,540			130,865			126,305
Income from operations		23,828			11,277			33,185			12,732
Other income (expense)
Interest income		308			298			603			754
Interest expense		(3,447	)		(3,684	)		(6,932	)		(6,196	)
Foreign currency (loss) gain, net		(1,628	)		673			(5,422	)		(606	)
Other income		802			228			531			71
Total other income (expense)		(3,965	)		(2,485	)		(11,220	)		(5,977	)
Income before income taxes and noncontrolling interest		19,863			8,792			21,965			6,755
Income tax provision		6,039			2,396			6,599			1,844
Net income		13,824			6,396			15,366			4,911
Less net income attributable to noncontrolling interest		(645	)		(644	)		(970	)		(892	)
Net income attributable to common stockholders	$	13,179		$	5,752		$	14,396		$	4,019
Earnings per share attributable to common stockholders:
Basic	$	0.27		$	0.12		$	0.30		$	0.08
Diluted	$	0.26		$	0.12		$	0.29		$	0.08
Number of shares used in earnings per share computation:
Basic		48,518			48,383			48,418			48,336
Diluted		49,944			49,500			49,807			49,380

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

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DIODES INCORPORATED AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Unaudited)

(In thousands)

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2017			2016			2017			2016
Net income	$	13,824		$	6,396		$	15,366		$	4,911
Unrealized (loss) on defined benefit plan, net of tax		(2,238	)		(5,087	)		(1,382	)		(5,161	)
Unrealized (loss) on interest rate swap, net of tax		(647	)		-			(120	)		-
Unrealized foreign currency gain (loss), net of tax		7,725			(10,653	)		17,167			(7,775	)
Comprehensive income (loss)		18,664			(9,344	)		31,031			(8,025	)
Less: Comprehensive income attributable to noncontrolling interest		(645	)		(644	)		(970	)		(892	)
Total comprehensive income (loss) attributable to common stockholders	$	18,019		$	(9,988	)	$	30,061		$	(8,917	)

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

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DIODES INCORPORATED AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

(In thousands)

	Six Months Ended
	June 30,
	2017			2016
Cash flows from operating activities	$	65,437		$	41,860
Cash flows from investing activities
Decrease in restricted cash		650			36
Purchases of property, plant and equipment		(43,883	)		(29,072	)
Purchases of short-term investments		(9,821	)		(13,238	)
Proceeds from maturity of short-term investments		24,108			32,771
Other		(553	)		(664	)
Net cash and cash equivalents used in investing activities		(29,499	)		(10,167	)
Cash flows from financing activities
Advances on lines of credit and short-term debt		392			-
Taxes paid related to net share settlement		(128	)		(2,494	)
Debt issuance costs		(83	)		(307	)
Proceeds from long-term debt		7,500			1,500
Repayments of long-term debt		(34,404	)		(55,641	)
Net proceeds from issuance of common stock		6,666			5
Repayment of capital lease obligation		(378	)		(262	)
Dividend distribution to noncontrolling interest		(3,282	)		-
Other		308			-
Net cash and cash equivalents used in financing activities		(23,409	)		(57,199	)
Effect of exchange rate changes on cash and cash equivalents		6,274			(375	)
Change in cash and cash equivalents		18,803			(25,881	)
Cash and cash equivalents, beginning of period		247,802			218,435
Cash and cash equivalents, end of period	$	266,605		$	192,554
Supplemental disclosure
Non-cash financing activities:
Increase in Accounts Payable related to the purchase of Property, plant    and equipment	$	(13,840	)	$	(1,925	)

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

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DIODES INCORPORATED AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 1 – 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”) (Nasdaq: DIOD), is a leading global manufacturer and supplier of high-quality, application-specific standard products within the broad discrete, logic, analog and mixed-signal semiconductor markets. We serve the consumer electronics, computing, communications, industrial, and automotive markets. Our products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers. Our corporate headquarters and Americas’ sales office are located in Plano, Texas and Milpitas, California. Design, marketing, and engineering centers are located in Plano; Milpitas; Taipei, Taoyuan City and Zhubei City, Taiwan; Manchester, England; and Neuhaus, Germany. Our wafer fabrication facilities are located in Lee’s Summit, Missouri and Manchester, with an additional facility located in Shanghai, China. We have assembly and test facilities located in Shanghai, Jinan, Chengdu, and Yangzhou, China, as well as in Hong Kong, Neuhaus and Taipei. Additional engineering, sales, warehouse, and logistics offices are located in Taipei; Hong Kong; Manchester; Shanghai; Shenzhen, China; Seongnam-si, South Korea; and Munich, Germany, with support offices throughout the world.

Basis of Presentation

The condensed consolidated financial data at December 31, 2016 is derived from audited financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2016 filed with the Securities and Exchange Commission (“SEC”) on February 27, 2017 (“Form 10-K”). The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with United States Generally Accepted Accounting Principles (“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 GAAP for complete financial statements. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes contained in our Form 10-K.  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 and six months ended June 30, 2017 are not necessarily indicative of the results that may be expected for other interim periods or the year ending December 31, 2017.

The preparation of financial statements in conformity with 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 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. Dollar amounts and share amounts are presented in thousands, except per share amounts, unless otherwise noted. Certain prior year’s balances have been reclassified to conform to the current financial statement presentation.

Recently Issued Accounting Pronouncements

The Financial Accounting Standards Board (“FASB”) issued the following Accounting Standards Updates (“ASU”) which could have potential impact on the Company’s financial statements:

ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606).  This standard 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. This standard sets forth a five-step revenue recognition model which replaces the current revenue recognition guidance in its entirety and is intended to eliminate numerous industry-specific pieces of revenue recognition guidance.  To further assist with adoption and implementation of ASU 2014-09, the FASB issued the following ASUs:

•ASU 2016-08 (Issued March 2016) — Principal versus Agent Consideration (Reporting Revenue Gross versus Net)

•ASU 2016-10 (Issued April 2016) — Identifying Performance Obligations and Licensing

•ASU 2016-12 (Issued May 2016) — Narrow-Scope Improvements and Practical Expedients

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•ASU 2016-20 (Issued December 2016) — Technical Corrections and Improvements to Topic 606, Revenuefrom Contracts with Customers

This standard is effective in the first quarter of 2018 for public companies and requires either a full retrospective or a modified retrospective approach to adoption.  We will adopt this standard using the modified retrospective method.  We have established a cross-functional coordinated implementation team to implement ASU 2014-09. We have completed our initial diagnostic assessment and are in the process of identifying and implementing changes to our systems, processes and internal controls to meet the reporting and disclosure requirements. We continue to engage outside expertise to assist us in determining the effect this standard will have on our financial statements, to assist us in making necessary changes in our accounting practices and to assist us in making certain we are capturing the necessary detail to fulfill the disclosure requirements promulgated in this standard.

Based upon our initial diagnostic assessment, we believe the key revenue streams will be based on method of distribution. The key revenue streams identified are distribution and OEM sales which comprise the majority of our business. Based upon the results of the diagnostic assessment, the Company believes that the pattern of revenue recognition for these revenue streams will be at a point-in-time consistent with current guidance.  The Company is evaluating if there are multiple performance obligations within its contracts. The Company has identified a number of variable consideration components within our contracts with customers and is in process of quantifying the overall impact related to the consideration to which the entity is entitled.  Additionally, the Company is evaluating the impact to the current estimation processes and the related internal controls. The Company continues to evaluate the remaining impacts of the standard and its effect on the Company’s financial statements and related disclosures.

ASU No. 2016-02, Leases (Topic 842) (“ASU 2016-02”) - In February 2016, the FASB issued ASU 2016-02, which amends the accounting treatment for leases. The amendments are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Lessees (for capital and operating leases) and lessors (for sales-type, direct financing, and operating leases) must apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. The modified retrospective approach would not require any transition accounting for leases that expired before the earliest comparative period presented. Lessees and lessors may not apply a full retrospective transition approach. Early adoption is permitted. The Company is currently evaluating the impact that the adoption of ASU 2016-02 may have on its consolidated financial statements and has not elected early adoption as of the period ended June 30, 2017.  During the second quarter of 2017 we engaged accounting experts to assist us in the implementation of this new standard, and those experts have started data gathering and assessment of our outstanding leases.

ASU No. 2016-09, Compensation—Stock Compensation (Topic 718) Improvements to Employee Share-Based Payment Accounting - In March 2016, the FASB issued guidance to simplify the accounting for share-based payment transactions by requiring all excess tax benefits and deficiencies to be recognized in income tax expense or benefit in earnings, thus eliminating the requirement to classify the excess tax benefit and deficiencies as additional paid-in capital. Under the new guidance, an entity makes an accounting policy election to either estimate the expected forfeiture awards or account for forfeitures as they occur. We adopted ASU No. 2016-09 during the first quarter of 2017 and as a result will account for forfeitures as they occur.  The effect of the adoption related to the income tax portion was an increase of $4.8 million to retained earnings and to deferred income tax assets.  The effect of the adoption related to forfeitures was an increase to additional paid in capital of $0.8 million, an increase to deferred tax assets of $0.3 million and a decrease to retained earnings of $0.5 million.

ASU No. 2017-09,Compensation – Stock Compensation (Topic 718) Scope of Modification Accounting -In May 2017, the FASB issued guidance to clarify when to account for a change to the terms or conditions of a share-based payment award as a modification.  Under the new guidance, modification accounting is required only if the fair value, the vesting conditions, or the classification of the award (as equity or liability) changes as a result of the change in terms or conditions. The guidance is effective prospectively for all companies for annual periods beginning on or after December 15, 2017. Early adoption is permitted.  This new guidance will only affect the Company if it modifies stock awards in the future.

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NOTE 2 – Earnings per Share

Earnings per share (“EPS”) are calculated by dividing net income attributable to common stockholders by the weighted-average number of shares of Common Stock outstanding during the period. Diluted EPS are calculated similarly but includes potential dilution from the exercise of stock options and stock awards, except when the effect would be anti-dilutive. A total of 0.9 million and 1.9 million stock options and stock awards outstanding during the three months ended June 30, 2017 and 2016, respectively, and 0.8 million and 1.9 million stock options and stock awards outstanding during the six months ended June 20, 2017 and 2016, respectively, were excluded from the calculation because the effect was anti-dilutive.  

The table below sets forth the reconciliation between net income (loss) and the weighted average shares outstanding used for calculating basic and diluted EPS for the three and six months ended June 30, 2017 and 2016:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Earnings (numerator)
Net income attributable to common stockholders	$	13,179	$	5,752	$	14,396	$	4,019
Shares (denominator)
Weighted average common shares outstanding (basic)		48,518		48,383		48,418		48,336
Dilutive effect of stock options and stock awards outstanding		1,426		1,117		1,389		1,044
Adjusted weighted average common shares outstanding (diluted)		49,944		49,500		49,807		49,380
Earnings per share attributable to common stockholders
Basic	$	0.27	$	0.12	$	0.30	$	0.08
Diluted	$	0.26	$	0.12	$	0.29	$	0.08

NOTE 3 – Inventories

The table below sets forth inventories which are stated at the lower of cost or market value:

	June 30, 2017		December 31, 2016
Finished goods	$	57,709	$	66,930
Work-in-progress		56,007		45,408
Raw materials		94,010		81,145
Total	$	207,726	$	193,483

NOTE 4 – Goodwill and Intangible Assets

The table below sets forth the changes in goodwill:

Balance at December 31, 2016	$	129,412
Foreign currency translation adjustment		2,878
Balance at June 30, 2017	$	132,290

-9-

The table below sets forth the value of intangible assets, other than goodwill:

	June 30,			December 31,
	2017			2016
Intangible assets subject to amortization:
Gross carrying amount	$	232,747		$	232,747
Accumulated amortization		(78,653	)		(69,247	)
Foreign currency translation adjustment		(8,318	)		(8,442	)
Total		145,776			155,058
Intangible assets with indefinite lives:
Gross carrying amount		21,003			21,003
Foreign currency translation adjustment		(1,083	)		(1,185	)
Total		19,920			19,818
Total intangible assets, net	$	165,696		$	174,876

The table below sets forth amortization expense related to intangible assets subject to amortization for the three and six months ended June 30, 2017 and 2016:

Amortization expense	2017		2016
Three months ended June 30,	$	4,646	$	5,131
Six months ended June 30,	$	9,404	$	10,262

NOTE 5 – Income Tax Provision

The table below sets forth information related to our income tax expense:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2017			2016			2017			2016
Domestic pre-tax income (loss)	$	(22,032	)	$	5,075		$	(35,243	)	$	(4,621	)
Foreign pre-tax income	$	41,895		$	3,717		$	57,208		$	11,376
Income tax provision	$	6,039		$	2,396		$	6,599		$	1,844
Effective tax rate		30.4	%		27.3	%		30.0	%		27.3	%
Impact of tax holidays on tax expense	$	(857	)	$	(1,283	)	$	(1,820	)	$	(2,107	)
Earnings per share impact of tax holidays
Basic	$	0.02		$	0.02		$	0.04		$	0.04
Diluted	$	0.02		$	0.02		$	0.04		$	0.04

          The increase in the effective tax rate over the three and six months ended June 30, 2017 when compared to the three and six months ended June 30, 2016, is primarily attributable to changes in the proportion of income generated in North America, Europe and Asia, and the impact of ASU 2016-09 related to the treatment of equity based compensation. In both periods the effective tax rates were lower than the U.S. statutory rate of 35%, principally from the impact of income from lower-taxed jurisdictions.

  Funds repatriated from foreign subsidiaries to the U.S. may be subject to federal and state income taxes. The Company intends to permanently reinvest overseas all of its earnings from its 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 Company files income tax returns in the U.S. federal jurisdiction and in various state and foreign jurisdictions. The Company is no longer subject to U.S. federal income tax examinations by tax authorities for tax years before 2007, or for the 2010 tax year.  The Company is no longer subject to China income tax examinations by tax authorities for tax years before 2005. With respect to state and local jurisdictions and countries outside of the U.S. (other than China), with limited exceptions, the Company is no longer subject to income tax audits for years before 2006. Although the outcome of tax audits is always uncertain, the Company believes that adequate amounts of tax, interest and penalties, if any, have been provided for in the Company’s reserve for any adjustments that may result from tax audits. The Company recognizes accrued interest and penalties related to unrecognized tax benefits in interest expense. As of June 30, 2017, the gross amount of unrecognized tax benefits was approximately $30.6 million.

-10-

It is reasonably possible that the amount of the unrecognized benefit with respect to certain of the Company’s 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.

NOTE 6 – Share-Based Compensation

The table below sets forth the line items where share-based compensation expense was recorded for the three and six months ended June 30, 2017 and 2016:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Cost of goods sold	$	153	$	236	$	311	$	437
Selling, general and administrative		3,993		3,632		7,297		7,336
Research and development		688		693		1,357		1,307
Total share-based compensation expense	$	4,834	$	4,561	$	8,965	$	9,080

The table below sets forth share-based compensation expense by type for the three and six months ended June 30, 2017 and 2016:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Stock options	$	301	$	420	$	598	$	908
Share grants		4,533		4,141		8,367		8,172
Total share-based compensation expense	$	4,834	$	4,561	$	8,965	$	9,080

Stock Options. There was approximately $6.7 million in cash proceeds received from stock option exercises during the six months ended June 30, 2017.

As of June 30, 2017, total unrecognized share-based compensation expense related to unvested stock options was approximately $0.6 million, before income taxes, and is expected to be recognized over a weighted average period of less than 1 year.  

Share Grants. Restricted stock awards and restricted stock units generally vest in equal annual installments over a four-year period. We also have share grants that are performance based that vest upon achievement of certain performance criteria.  During the six months ended June 30, 2017, the Company modified a previous performance-based award previously granted to our Chief Executive Officer.  The effect was to replace a performance-based grant covering 700,000 shares of the Company’s common stock with a performance-based grant covering 62,905 shares of the Company’s common stock and a restricted stock grant covering 62,905 of the Company’s common stock.  If certain performance criteria are met, Dr. Lu will receive 200% of the award or 125,810 shares.  The incremental expense if Dr. Lu received 200% of the PSU award is approximately $3.3 million.  The incremental expense of the restricted stock grant is approximately $1.7 million.

As of June 30, 2017, total unrecognized share-based compensation expense related to share grants was approximately $32.9 million, before income taxes, and is expected to be recognized over a weighted average period of approximately 2.4 years.  

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NOTE 7 – 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. During the three months ended June 30, 2017, one customer equaled 10% or $26.6 million of our revenue.  This customer did not equal 10% or greater of our revenue for the six months ended June 30, 2017 or 10% or greater of our outstanding accounts receivable at June 30, 2017.

The tables below set forth net sales based on the location of the subsidiary producing the net sale.

Three Months Ended
June 30, 2017	Asia			North America			Europe			Consolidated
Total sales	$	250,551		$	47,873		$	45,807		$	344,231
Intercompany elimination		(41,149	)		(22,946	)		(15,912	)		(80,007	)
Net sales	$	209,402		$	24,927		$	29,895		$	264,224
Three Months Ended
June 30, 2016	Asia			North America			Europe			Consolidated
Total sales	$	222,055		$	29,251		$	42,771		$	294,077
Intercompany elimination		(37,190	)		(4,630	)		(15,612	)		(57,432	)
Net sales	$	184,865		$	24,621		$	27,159		$	236,645
As of and for the Six Months Ended
June 30, 2017	Asia			North America			Europe			Consolidated
Total sales	$	468,894		$	90,752		$	86,825		$	646,471
Intercompany elimination		(74,488	)		(40,486	)		(30,970	)		(145,944	)
Net sales	$	394,406		$	50,266		$	55,855		$	500,527
Property, plant and equipment, net	$	350,297		$	56,691		$	20,080		$	427,068
Total assets	$	993,324		$	378,736		$	207,069		$	1,579,129
As of and for the Six Months Ended
June 30, 2016	Asia			North America			Europe			Consolidated
Total sales	$	431,805		$	61,109		$	83,050		$	575,964
Intercompany elimination		(70,040	)		(15,664	)		(30,877	)		(116,581	)
Net sales	$	361,765		$	45,445		$	52,173		$	459,383
Property, plant and equipment, net	$	350,143		$	58,723		$	16,311		$	425,177
Total assets	$	951,290		$	417,922		$	173,654		$	1,542,866

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Geographic Information

The tables below set forth the amount of net sales that were derived from (shipped to) customers located in the following countries:

	Net Sales for the
	Three Months Ended				Percentage of
	June 30,				Net Sales
	2017		2016		2017			2016
China	$	146,696	$	134,063		56	%		57	%
United States		23,456		21,552		9	%		9	%
Korea		15,804		13,658		6	%		6	%
Germany		19,031		18,320		7	%		8	%
Singapore		15,097		11,081		6	%		5	%
Taiwan		18,119		18,103		7	%		8	%
All others (1)		26,021		19,868		9	%		7	%
Total	$	264,224	$	236,645		100	%		100	%
	Net Sales for the
	Six Months Ended				Percentage of
	June 30,				Net Sales
	2017		2016		2017			2016
China	$	276,221	$	262,945		55	%		57	%
United States		44,655		40,658		9	%		9	%
Korea		33,363		27,459		7	%		6	%
Germany		36,454		33,226		7	%		7	%
Singapore		26,588		23,160		5	%		5	%
Taiwan		33,618		31,989		7	%		7	%
All others (1)		49,628		39,946		10	%		9	%
Total	$	500,527	$	459,383		100	%		100	%

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

NOTE 8 – Commitments and Contingencies

Purchase commitments – As of June 30, 2017, we had approximately $31.2 million in non-cancelable purchase contracts related to capital expenditures, primarily related to Asia manufacturing facilities.

Defined Benefit Plan - We have a contributory defined benefit plan that covers certain employees in the United Kingdom.  As of June 30, 2017, the unfunded liability for this defined benefit plan was approximately $30.3 million.  We are obligated to make annual contributions, each year through December 2029, of approximately GPB 2 million (approximately $2.6 million based on a GBP:USD exchange rate of 1.3).  The trustees are required to review the funding position every three years, and the most recent review was carried out as of April 5, 2016. The outcome of a review can result in a change in the amount of the payment.

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.  The Company is not currently a party to any pending litigation that the Company considers material.

Foreign Currency Exchange Hedging Contracts – At June 30, 2017 the Company had foreign currency hedges outstanding of approximately $30.8 million. The Company plans to continue hedging a portion of its foreign currency risk.

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NOTE 9 – Employee Benefit Plans

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 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 June 30, 2017, these investments totaled approximately $7.3 million. All gains and losses in these investments are materially offset by corresponding gains and losses in the Deferred Compensation Plan liabilities.

NOTE 10 – Related Parties

We conduct business with a related party company, Lite-On Semiconductor Corporation and its subsidiaries and affiliates (collectively, “LSC”), and Nuvoton Technology Corporation and its subsidiaries and affiliates (collectively, “Nuvoton”). LSC is our largest stockholder, owning approximately16.7%ofouroutstandingCommonStockasofJune 30,2017,andisamemberoftheLite-On Groupofcompanies.Raymond Soong, the Chairman of the Board of Directors, is the Chairman of LSC, and is the Chairman of Lite-On Technology Corporation (“LTC”), a significant shareholder of LSC. C.H. Chen, our former President and Chief Executive Officer and currently the Vice Chairman of the Board of Directors, is also Vice Chairman of LSC and a board member of LTC. Dr. Keh-Shew Lu, our President and Chief Executive Officer and a member of our Board of Directors, is a board member of LTC, and a board member of Nuvoton. L.P. Hsu, a former member of our Board of Directors serves as a consultant to LTC, and is a supervisor of the board of Nuvoton. We consider our relationships with LSC and Nuvoton to be mutually beneficial, and we plan to continue our strategic alliance with LSC and Nuvoton.  We purchase wafers from Nuvoton for use in our production process.

We also conduct business with Keylink International (B.V.I.) Inc. and its subsidiaries and affiliates (collectively, “Keylink”). Keylink is our 5% joint venture partner in our Shanghai assembly and test facilities.   We sell products to, and purchase inventory from Keylink. In addition, our subsidiaries in China lease their manufacturing facilities in Shanghai from, and subcontract a portion of our manufacturing process (metal plating and environmental services) to, Keylink. We also pay a consulting fee to Keylink. The aggregate amounts paid to Keylink for the three months ended June 30, 2017 and 2016 were approximately $4.5 million and $4.3 million, respectively.  The aggregate amounts for these services for the six months ended June 30, 2017 and 2016 were approximately $7.9 million and $8.4 million, respectively.Inaddition, Chengdu Ya Guang Electronic Company Limited (“YaGuang”)is our 2% joint venture partner in one of our Chengdu assembly and test facilities and isour5%jointventurepartnerinourotherChengduassemblyandtestfacilities;however, we have no material transactions with Ya Guang.

TheAuditCommitteeoftheBoardreviewsallrelatedpartytransactionsfor potentialconflictofinterestsituationsonanongoingbasis,allinaccordancewithsuchproceduresastheAuditCommitteemayadopt fromtime totime.

The table below sets forth sales to, and purchases from, LSC, Nuvoton and Keylink:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
LSC
Net sales	$	504	$	157	$	735	$	277
Purchases	$	7,142	$	6,717	$	13,161	$	11,927
Nuvoton
Purchases	$	3,376	$	2,675	$	6,285	$	5,622
Keylink
Net sales	$	2,413	$	2,246	$	4,235	$	4,157
Purchases	$	943	$	1,575	$	2,021	$	2,835

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The table below sets forth accounts receivable from, and accounts payable to, LSC, Nuvoton and Keylink:

	June 30,		December 31,
	2017		2016
LSC
Accounts receivable	$	491	$	301
Accounts payable	$	5,092	$	4,333
Keylink
Accounts receivable	$	3,855	$	5,394
Accounts payable	$	4,917	$	4,295
Nuvoton
Accounts payable	$	1,812	$	950

NOTE 11 – Restructuring Costs

In February 2017, the Company announced its plan to transfer its wafer fabrication operation in Lee’s Summit, MO, (“KFAB”) to other Company-owned wafer fabrication plants and external foundries. The Company expects to cease operations at KFAB late in third quarter 2017 and to vacate the premises no later than November 15, 2017. Employees have been offered retention and standard severance packages.  During the quarter ended March 2017, the Company received $6.0 million of insurance proceeds as a result of the fires sustained at the KFAB facility during 2016 of which $4.2 million is recorded in Cost of Goods Sold and $1.8 million is recorded in Other Income.

Total KFAB shutdown costs are expected to be approximately $10 million to $12 million, on a pretax basis, which will be expensed and paid throughout 2017. The table below sets forth the restructuring costs, recorded in restructuring expense in the Condensed Consolidated Statements of Operations, incurred during the three months and six months ended June 30, 2017:                                   

	Three Months Ended	Six Months Ended
Early supply contract termination	$           (246)	$          1,985
Cost of equipment relocation	72	72
Asset retirement obligation	234	234
Retention costs	1,778	1,778
	$          1,838	$          4,069

The table below sets forth the costs accrued related to the KFAB restructuring:

	Early Contract Termination	Retention Costs	Equipment Relocation	Asset Retirement Obligation Amortization	Total
Beginning balance, January 1, 2017	$                -	$                -	$                -	$                -	$                -
Costs accrued	1,985	1,778	72	234	4,069
Restructuring costs paid	(1,500)	-	(72)	-	(1,572)
Ending balance, June 30, 2017	$             485	$          1,778	$                -	$             234	$          2,497

Based on continued negotiations with the landlord, we recorded an additional $1.4 million of asset retirement obligations related the KFAB restructuring.  This asset retirement obligation is for the estimated amounts to be paid to contractors to remediate the KFAB facility upon vacating the property. The asset retirement obligation will be amortized over the remaining life of the lease using the straight-line method.  In connection with the asset retirement obligation we have recorded an asset with a value of $1.2 million in property, plant and equipment.  The table below sets forth the asset retirement obligation related to the KFAB restructuring:

Asset retirement obligation, beginning of period	$             486
Accrual of additional asset retirement obligation	1,403
Asset retirement obligation, end of period	$          1,889

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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 our 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 in our Annual Report on Form 10-K for the fiscal year ended December 31, 2016 (“Form 10-K”), previously filed with Securities and Exchange Commission (“SEC”) on February 27, 2017.

Factors Relevant to Our Results of Operations for the Three Months Ended June 30, 2017

• During the second quarter of 2017, we experienced a sequential increase in revenue of 11.8% compared to the first quarter of 2017 due to the continued strength across the Company’s target end markets and geographies combined with higher growth of Pericom products, collectively resulting in market share gains in the quarter.

• Gross profit margin increased primarily due to regional strength in North American and Europe, improved utilization and product mix, as well as higher contribution from Pericom products.

• We recorded charges of $1.8 million related to the shut down and relocation of the manufacturing activities at KFAB;

• We reduced the our long-term debt $15.7 million;

• In terms of our end markets, our industrial, automotive and communications end markets grew to quarterly revenue record levels; and

• We expect any future improvements in net income, if any, to result primarily from increases in sales volume and improvements in product mix, as well as manufacturing cost reduction in order to offset any reduction in the average selling prices of our products.  

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Overview

We are a leading global manufacturer and supplier of high-quality, application-specific standard products within the broad discrete, logic, analog and mixed-signal semiconductor markets. For detailed information, see Note 1 – Nature of Operations, Basis of Presentation and Recently Issued Accounting Pronouncements, included in the condensed consolidated financial statements in Item 1 above.  Our products are sold primarily throughout Asia, North America and Europe. 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.

Results of Operations for the Three Months Ended June 30, 2017 and 2016

The following table sets forth the percentage that certain items in the statements of operations bear to net sales.

	Percent of  Net Sales
	Three Months Ended June 30,
	2017			2016
Net sales		100	%		100	%
Cost of goods sold		(66	)		(68	)
Gross profit		34			32
Total operating expenses		25			27
Income from operations		9			5
Total other expense		(2	)		(1	)
Income before income taxes and noncontrolling interest		7			4
Income tax provision		(2	)		(1	)
Net income		5			3
Net income attributable to common stockholders		5			3

The following table and discussion explains in greater detail our consolidated operating results and financial condition for the three months ended June 30, 2017, compared to the three months ended June 30, 2016. This discussion should be read in conjunction with the condensed consolidated financial statements and notes thereto appearing elsewhere in this quarterly report (in thousands).

	Three Months Ended
	June 30,
	2017			2016			Increase/(Decrease)			% Change
Net sales	$	264,224		$	236,645		$	27,579			11.7	%
Cost of goods sold		174,085			161,828			12,257			7.6	%
Gross profit		90,139			74,817			15,322			20.5	%
Total operating expenses		66,311			63,540			2,771			4.4	%
Interest income		308			298			10			3.4	%
Interest expense		(3,447	)		(3,684	)		(237	)		(6.4	%)
Foreign currency (loss) gain, net		(1,628	)		673			2,301			(341.9	%)
Other income		802			228			574			251.8	%
Income tax provision		6,039			2,396			3,643			152.0	%

Net sales increased approximately $27.6 million for the three months ended June 30, 2017, compared to the same period last year, due to increases in each of the Company’s target end markets and geographies combined with higher growth of Pericom products, collectively resulting in market share gains in the second quarter.

Cost of goods sold increased approximately $12.3 million for the three months ended June 30, 2017, compared to the same period last year.  As a percent of sales, cost of goods sold was 66% for the three months ended June 30, 2017 compared to 68% for the same period last year. Average unit cost decreased 16.3% for the three months ended June 30, 2017, compared to the same period last year, due to lower costs in our China manufacturing operations. For the three months ended June 30, 2017, gross profit increased approximately 20.5% when compared to the same period last year. Gross profit margin for the three month periods ended June 30, 2017 and 2016 was 34.1% and 31.6%, respectively.  The increase in gross profit margin was related to improved utilization, pricing and product mix, specifically higher revenue contribution from North America, Europe and Pericom products.

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Operating expenses for the three months ended June 30, 2017 increased approximately $2.8 million, or 4.4%, compared to the same period last year. Selling, general and administrative expenses (“SG&A”) decreased approximately $1.7 million but was offset by an increase in research and development expenses (“R&D”) of approximately $2.8 million.  Amortization of acquisition related intangibles decreased approximately $0.5 million reflecting the full amortization of a portion of our intangible assets. SG&A, as a percentage of sales, was 15.0% and 17.5% for the three months ended June 30, 2017 and 2016, respectively. R&D, as a percentage of sales, was 7.5% and 7.2% for the three months ended June 30, 2017 and 2016, respectively.  The three months ended June 30, 2017, included $1.8 million related to preparations to shut down and relocate the KFAB facility.

Interest income was relatively flat for the three months ended June, 2017 compared to the same period last year. The decrease in interest expense for the three months ended June, 2017 is due to lower levels of debt partially offset by higher interest rates on the floating rate portion of the borrowings to effect the Pericom acquisition.  Expense related to foreign currency changes increased $2.3 million due to a stronger Taiwan dollar, when compared to the U.S. dollar.

We recognized an income tax expense of approximately $6.0 million and $2.4 million for the three months ended June 30, 2017 and 2016, respectively. The increase in income taxes for 2017 compared to 2016 is attributable to the increase in pretax net income.

Results of Operations for the Six Months Ended June 30, 2017 and 2016

The following table sets forth the percentage that certain items in the statements of operations bear to net sales.

	Percent of  Net Sales
	Six Months Ended June 30,
	2017	2016
Net sales	100%	100%
Cost of goods sold	(67)	(70)
Gross profit	33	30
Total operating expenses	26	27
Income from operations	7	3
Total other income (expense)	(3)	(2)
Income before income taxes and noncontrolling interest	4	1
Income tax provision	(1)	-
Net income	3	1
Net income attributable to common stockholders	3	1

The following table and discussion explains in greater detail our consolidated operating results and financial condition for the six months ended June 30, 2017, compared to the six months ended June 30, 2016. This discussion should be read in conjunction with the condensed consolidated financial statements and notes thereto appearing elsewhere in this quarterly report (in thousands).

	Six Months Ended
	June 30,
	2017	2016	Increase/(Decrease)	% Change
Net sales	$                  500,527	$                  459,383	$                        41,144	9.0%
Cost of goods sold	336,477	320,346	16,131	5.0%
Gross profit	164,050	139,037	25,013	18.0%
Total operating expenses	130,865	126,305	4,560	3.6%
Interest income	603	754	(151)	(20.0%)
Interest expense	(6,932)	(6,196)	736	11.9%
Foreign currency (loss) gain, net	(5,422)	(606)	4,816	(794.7%)
Other income	531	71	460	(647.9%)
Income tax provision	6,599	1,844	4,755	257.9%

Net sales increased approximately $41.1 million for the six months ended June 30, 2017, compared to the same period last year, due to increases in each of the Company’s target end markets and geographies combined with higher growth of Pericom products, collectively resulting in market share gains.

Cost of goods sold increased approximately $16.1 million for the six months ended June 30, 2017, compared to the same period last year.  Cost of goods was positively impacted in 2017 by receipt of $3.7 million of business interruption insurance and $0.5 million of inventory insurance recovery received related to the fire at KFAB.  As a percent of sales, cost of goods sold was 67% for

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the six months ended June 30, 2017 compared to 70% for the same period last year. Average unit cost decreased 16.3% for the six months ended June 30, 2017, compared to the same period last year, due to lower costs in our China manufacturing operations. For the six months ended June 30, 2017, gross profit increased approximately 18.0% when compared to the same period last year. Gross profit margin for the six month periods ended June 30, 2017 and 2016 was 32.8% and 30.3%, respectively.

Operating expenses for the six months ended June 30, 2017 increased approximately $4.6 million, or 3.6%, compared to the same period last year. SG&A decreased approximately $1.5 million but was offset by an increase in R&D of approximately $2.7 million.  Amortization of acquisition related intangibles decreased approximately $0.9 million reflecting the full amortization of a portion of our intangible assets. SG&A, as a percentage of sales, was 15.9% and 17.6% for the six months ended June 30, 2017 and 2016, respectively. R&D, as a percentage of sales, was 7.6% and 7.7% for the six months ended June 30, 2017 and 2016, respectively.  The six months ended June 30, 2017, included $4.1 million related to preparations to shut down and relocate the KFAB facility.

Interest income decreased for the six months ended June 30, 2017 due to a lower amount of invested funds.  The increase in interest expense for the six months ended June 30, 2017 is due to higher interest rates, partially offset by lower amounts of borrowed funds.  Expense related to foreign currency changes increased $4.8 million due to a stronger Taiwan dollar, when compared to the U.S. dollar.

We recognized an income tax expense of approximately $6.6 million for the six months ended June 30, 2017 and approximately $1.8 million for the six months ended June 30, 2016. The increase in income taxes for 2017 compared to 2016 is attributable to the increase in pretax net income.

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. banking credit facility (the “U.S. Credit Facility”) under which we may draw up to $250 million on a revolving basis, in addition to a $250 million term loan included in the U.S. Credit Facility.  The U.S. Credit Facility matures October 26, 2021.  The term loan portion of the U.S. Credit Facility is repayable in part through quarterly installments that increase over time from $3.1 million per quarter in the current year of the U.S. Credit Facility to $9.4 million per quarter in the final year of the U.S. Credit Facility. We may from time to time request increases in the aggregate commitments under the U.S. Credit Facility of up to $200 million, subject to the lenders electing to increase their commitments or by means of the addition of new lenders, and subject to at least half of each increase in aggregate commitments being in the form of term loans, with the remaining amount of each increase being an increase in the amount of the revolving portion of the U.S. Credit Facility.  The U.S. Credit Facility bears interest at LIBOR or similar indices plus a specified margin.  The U.S. Credit Facility contains certain financial and non-financial covenants, including, but not limited to, a maximum consolidated leverage ratio, a minimum consolidated fixed charge coverage ratio, and restrictions on liens, indebtedness, investments, fundamental changes, dispositions, and restricted payments (including dividends and share repurchases).  At June 30, 2017, we owed $401.6 million under the U.S. Credit Facility, $180.5 million of which was drawn under the revolving portion and $221.1 million of which was outstanding under the term loan.

In addition to our U.S. Credit Facility, we maintain credit facilities with several financial institutions through our foreign entities worldwide totaling $70.7 million. As of June 30, 2017, in addition to the U.S. Credit Facility, our Asia subsidiaries had unused and available credit lines of up to an aggregate of approximately $69.5 million, with several financial institutions. In some cases, our foreign credit lines are unsecured, uncommitted and may be repayable on demand.  Our foreign credit lines include two Taiwanese credit facilities that are collateralized by assets. Our foreign credit lines bear interest at LIBOR or similar indices plus a specified margin. At June 30, 2017, $0.4 million was outstanding on these credit lines.  We also have a note payable to a bank located in Taiwan with a variable interest rate maturing July 6, 2021.  At June 30, 2017 approximately $1.4 million was outstanding under this loan.

Our primary liquidity requirements have been to meet our inventory and capital expenditure needs and to fund on-going operations. At June 30, 2017 and December 31, 2016, our working capital was $541.4 million and $547.4 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 six months ended June 30, 2017 and 2016 were $43.9 million and $31.0 million, respectively.  Capital expenditures in 2017 relate to capacity expansion in our Shanghai and Chengdu assembly and test facilities as well as the eight inch fabrication equipment upgrade in our wafer fabrication facility in Shanghai. For the first six months of 2017 capital expenditures were approximately 8.8% of our net sales, which is in line with our capital spending target range of 5% to 9% of net sales.

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

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foreign earnings.  As of June 30, 2017, our foreign subsidiaries held approximately $269.0 million of cash, cash equivalents and investments of which approximately $157.8 million would be subject to a potential non-U.S. withholding and/or U.S. income tax if repatriated to the U.S. as dividends.

As of June 30, 2017, we had short-term investments totaling $16.4 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 time frame but in doing so we generally forfeit all earned and future interest income.

Share Repurchase Program

During 2015, our Board of Directors (“Board”) approved a stock repurchase program.  The Board authorized the repurchase of up to an aggregate of $100.0 million of our outstanding Common Stock, $0.66 2/3 par value per share.  The share repurchase program is expected to continue through the end of 2019 unless extended or shortened by the Board.  Currently there is approximately $71.0 million available for repurchase of outstanding common stock under this publicly announced repurchase program.  No shares were repurchased during the three months ended June 30, 2017.  

Discussion of Cash Flow

Our primary source of liquidity is cash flow from operations. Additional sources of liquidity are cash and cash equivalents, short-term investments and our credit facilities. Our primary cash and cash equivalents increased from $247.8 million at December 31, 2016 to $266.6 million at June 30, 2017.  

The table below sets forth a summary of the condensed consolidated statements of cash flows:

	Six Months Ended June 30,
	2017	2016	Change
Cash flows from operating activities	$                    65,437	$                    41,860	$                    23,577
Net cash and cash equivalents used in investing activities	(29,499)	(10,167)	(19,332)
Net cash and cash equivalents used in financing activities	(23,409)	(57,199)	33,790
Effect of exchange rate changes on cash and cash equivalents	6,274	(375)	6,649
Net increase (decrease) in cash and cash equivalents	$                    18,803	$                  (25,881)	$                    44,684

Operating Activities

Net cash provided by operating activities for the six months ended June 30, 2017 was $65.4 million.  Net cash flow provided by operating activities resulted from net income of $15.4 million, depreciation and amortization of $46.4 million, share-based compensation of $9.0 million and a decrease in noncash working capital accounts of $5.7 million. Net cash provided by operating activities for the six months ended June, 2016 was $41.9 million.  Net cash flow provided by operating activities resulted from net income of $4.9 million, depreciation and amortization of $50.2 million and share-based compensation of $9.1 million.  These cash and cash equivalents provided by operations were partially offset by a decrease in working capital assets of $22.5 million. 

Investing Activities

Net cash used in investing activities was $29.5 million for the six months ended June 30, 2017, compared to net cash used in investing activities of $10.2 million for the same period last year. Net cash used in investing activities was primarily due to the purchase of property, plant and equipment of $43.9 million, and purchases of short-term investments of $9.8 million, partially offset by $24.1 million of proceeds received upon the maturity of short-term investments.  Net cash used in investing activities during the six months ended June 30, 2016, was primarily due to the purchase of property, plant and equipment of $29.1 million partially offset by net funds received from the sale and purchase of short-term investments of $19.5 million.

-20-

Financing Activities

Net cash used in financing activities was $23.4 million for the six months ended June 30, 2017, compared to net cash used in financing activities of $57.2 million in the same period last year. Net cash used in 2017 consisted primarily of repayments of long-term debt and payment of dividends to noncontrolling interests, partially offset by proceeds from the issuance of common stock. Net cash used in 2016 consisted primarily of repayments on lines of credit and long-term debt, partially offset by proceeds from the issuance of common stock. 

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, 2016, filed with the SEC on February 27, 2016.

Critical Accounting Policies

No material changes were made to the Company’s critical accounting policies as set forth in “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations,” included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2016, filed with the SEC on February 27, 2016.

Recently Issued Accounting Pronouncements

See Note 1 - Nature of Operations, Basis of Presentation and Recently Issued Accounting Pronouncements of the Notes to Condensed Consolidated 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.

-21-

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 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.

One of our 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, product and process development, parts and 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.

-22-

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, or products we purchase from third parties for resale, 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.

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.

Our hedging strategies may not be successful in mitigating our risks associated with interest rates or our counterparties might not perform as agreed.

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 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 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 plan could increase the volatility of the plan’s asset 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 our cost of doing 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.

-23-

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 U.S. 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.

Significant uncertainties related to changes in governmental policies and participation in international trading partnerships or economic unions currently exist, and, depending upon how such uncertainties are resolved, the changes could have a material adverse effect on us.

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, China’s anti-corruption campaign and similar worldwide anti-bribery laws.

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

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 U.S. may be subject to U.S. federal and state 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.

-24-

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.

-25-

Item 3. Quantitative and Qualitative Disclosures About Market Risk.

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, 2016, filed with the SEC on February 27, 2017.

Item 4. 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, as of June 30, 2017, of the effectiveness of our disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-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.

Changes in Controls over Financial Reporting

There was no change in our internal control over financial reporting, known to our Chief Executive Officer or Chief Financial Officer, that occurred in the three months ended June 30, 2017, which has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

-26-

PART II—OTHER INFORMATION

Item 1. Legal Proceedings.

The Company is not currently a party to any pending litigation that we consider material.

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, 2016, filed with the SEC on February 27, 2017.

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

None.

Item 3. Defaults Upon Senior Securities.

None.

Item 4. Mine Safety Disclosures.

Not applicable.

Item 5. Other Information.

None.

-27-

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 January 6, 2016	8-K	January 11, 2016	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*	2013 Equity Incentive Plan (As Amended and Restated on March 24, 2017)	DEFA14A	May 5, 2017	Appendix A
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

* Constitute management contracts, or compensatory plans or arrangements, which are required to be filed pursuant to Item 601 of Regulation S-K.

** A certification furnished pursuant to Item 601(b)(2) 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.

-28-

SIGNATURES

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

	DIODES INCORPORATED
	(Registrant)
August 8, 2017	By: /s/ Keh-Shew Lu
Date	KEH SHEW LU
	President and Chief Executive Officer
	(Principal Executive Officer)
August 8, 2017	By: /s/ Richard D. White
Date	RICHARD D. WHITE
	Chief Financial Officer and Secretary
	(Principal Financial Officer)
August 8, 2017	By: /s/ Brett R. Whitmire
Date	BRETT R.  WHITMIRE Corporate Controller
	(Principal Accounting Officer)

-29-

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.

Date:  August 8, 2017

/s/ Keh-Shew Lu

Keh-Shew Lu

Chief Executive Officer

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.

Date:  August 8, 2017

/s/ Richard D. White

Richard D. White

Chief Financial Officer

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 June 30, 2017 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.

Date:  August 8, 2017

/s/ Keh-Shew Lu

Keh-Shew Lu

Chief Executive Officer

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 June 30, 2017 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.

August 8, 2017

/s/ Richard D. White

Richard D. White

Chief Financial Officer

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

Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2017	Aug. 04, 2017
Document And Entity Information [Abstract]
Document type	10-Q
Document period end date	Jun. 30, 2017
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		49,073,317
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q2
Trading Symbol	DIOD

XML

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 266,605	$ 247,802
Short-term investments	16,420	29,842
Accounts receivable, net of allowances of $2,981 and $2,141 at June 30, 2017 and December 31, 2016, respectively	223,011	217,217
Inventories	207,726	193,483
Prepaid expenses and other	44,671	44,438
Total current assets	758,433	732,782
Property, plant and equipment, net	427,068	401,988
Deferred income tax	62,114	56,047
Goodwill	132,290	129,412
Intangible assets, net	165,696	174,876
Other	33,528	33,447
Total assets	1,579,129	1,528,552
Current liabilities:
Accounts payable	110,338	87,600
Accrued liabilities	88,543	71,562
Income tax payable	265	11,855
Current portion of long-term debt	17,895	14,356
Total current liabilities	217,041	185,373
Long-term debt, net of current portion	383,336	413,126
Deferred tax liabilities	28,587	28,213
Other long-term liabilities	82,858	81,373
Total liabilities	711,822	708,085
Commitments and contingencies (See Note 8)
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; 48,734,340 and 48,219,376, issued and outstanding at June 30, 2017 and December 31, 2016, respectively	33,263	32,919
Additional paid-in capital	370,344	354,574
Retained earnings	548,887	530,215
Treasury stock, at cost, 1,157,206 shares held at June 30, 2017 and December 31, 2016	(29,023)	(29,023)
Accumulated other comprehensive loss	(97,001)	(112,666)
Total stockholders' equity	826,470	776,019
Noncontrolling interest	40,837	44,448
Total equity	867,307	820,467
Total liabilities and stockholders' equity	$ 1,579,129	$ 1,528,552

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Statement Of Financial Position [Abstract]
Accounts receivable, allowance	$ 2,981	$ 2,141
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	48,734,340	48,219,376
Common stock shares outstanding	48,734,340	48,219,376
Treasury stock, shares	1,157,206	1,157,206

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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement [Abstract]
Net sales	$ 264,224	$ 236,645	$ 500,527	$ 459,383
Cost of goods sold	174,085	161,828	336,477	320,346
Gross profit	90,139	74,817	164,050	139,037
Operating expenses
Selling, general and administrative	39,697	41,390	79,387	80,844
Research and development	19,796	17,010	37,836	35,159
Amortization of acquisition related intangible assets	4,646	5,131	9,404	10,262
Restructuring expense	1,838		4,069
Other operating expenses	334	9	169	40
Total operating expenses	66,311	63,540	130,865	126,305
Income from operations	23,828	11,277	33,185	12,732
Other income (expense)
Interest income	308	298	603	754
Interest expense	(3,447)	(3,684)	(6,932)	(6,196)
Foreign currency (loss) gain, net	(1,628)	673	(5,422)	(606)
Other income	802	228	531	71
Total other income (expense)	(3,965)	(2,485)	(11,220)	(5,977)
Income before income taxes and noncontrolling interest	19,863	8,792	21,965	6,755
Income tax provision	6,039	2,396	6,599	1,844
Net income	13,824	6,396	15,366	4,911
Less net income attributable to noncontrolling interest	(645)	(644)	(970)	(892)
Net income attributable to common stockholders	$ 13,179	$ 5,752	$ 14,396	$ 4,019
Earnings per share attributable to common stockholders:
Basic	$ 0.27	$ 0.12	$ 0.30	$ 0.08
Diluted	$ 0.26	$ 0.12	$ 0.29	$ 0.08
Number of shares used in earnings per share computation:
Basic	48,518	48,383	48,418	48,336
Diluted	49,944	49,500	49,807	49,380

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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest [Abstract]
Net income	$ 13,824	$ 6,396	$ 15,366	$ 4,911
Unrealized (loss) on defined benefit plan, net of tax	(2,238)	(5,087)	(1,382)	(5,161)
Unrealized (loss) on interest rate swap, net of tax	(647)		(120)
Unrealized foreign currency gain (loss), net of tax	7,725	(10,653)	17,167	(7,775)
Comprehensive income (loss)	18,664	(9,344)	31,031	(8,025)
Less: Comprehensive income attributable to noncontrolling interest	(645)	(644)	(970)	(892)
Total comprehensive income (loss) attributable to common stockholders	$ 18,019	$ (9,988)	$ 30,061	$ (8,917)

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities
Cash flows from operating activities	$ 65,437	$ 41,860
Cash flows from investing activities
Decrease in restricted cash	650	36
Purchases of property, plant and equipment	(43,883)	(29,072)
Purchases of short-term investments	(9,821)	(13,238)
Proceeds from maturity of short-term investments	24,108	32,771
Other	(553)	(664)
Net cash and cash equivalents used in investing activities	(29,499)	(10,167)
Cash flows from financing activities
Advances on lines of credit and short-term debt	392
Taxes paid related to net share settlement	(128)	(2,494)
Debt issuance costs	(83)	(307)
Proceeds from long-term debt	7,500	1,500
Repayments of long-term debt	(34,404)	(55,641)
Net proceeds from issuance of common stock	6,666	5
Repayment of capital lease obligation	(378)	(262)
Dividend distribution to noncontrolling interest	(3,282)
Other	308
Net cash and cash equivalents used in financing activities	(23,409)	(57,199)
Effect of exchange rate changes on cash and cash equivalents	6,274	(375)
Change in cash and cash equivalents	18,803	(25,881)
Cash and cash equivalents, beginning of period	247,802	218,435
Cash and cash equivalents, end of period	266,605	192,554
Non-cash financing activities:
Increase in Accounts Payable related to the purchase of Property, plant and equipment	$ (13,840)	$ (1,925)

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

6 Months Ended

Jun. 30, 2017

Organization Consolidation And Presentation Of Financial Statements [Abstract]

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

NOTE 1 – 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”) (Nasdaq: DIOD), is a leading global manufacturer and supplier of high-quality, application-specific standard products within the broad discrete, logic, analog and mixed-signal semiconductor markets. We serve the consumer electronics, computing, communications, industrial, and automotive markets. Our products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers. Our corporate headquarters and Americas’ sales office are located in Plano, Texas and Milpitas, California. Design, marketing, and engineering centers are located in Plano; Milpitas; Taipei, Taoyuan City and Zhubei City, Taiwan; Manchester, England; and Neuhaus, Germany. Our wafer fabrication facilities are located in Lee’s Summit, Missouri and Manchester, with an additional facility located in Shanghai, China. We have assembly and test facilities located in Shanghai, Jinan, Chengdu, and Yangzhou, China, as well as in Hong Kong, Neuhaus and Taipei. Additional engineering, sales, warehouse, and logistics offices are located in Taipei; Hong Kong; Manchester; Shanghai; Shenzhen, China; Seongnam-si, South Korea; and Munich, Germany, with support offices throughout the world.

Basis of Presentation

The condensed consolidated financial data at December 31, 2016 is derived from audited financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2016 filed with the Securities and Exchange Commission (“SEC”) on February 27, 2017 (“Form 10-K”). The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with United States Generally Accepted Accounting Principles (“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 GAAP for complete financial statements. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes contained in our Form 10-K.  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 and six months ended June 30, 2017 are not necessarily indicative of the results that may be expected for other interim periods or the year ending December 31, 2017.

The preparation of financial statements in conformity with 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 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. Dollar amounts and share amounts are presented in thousands, except per share amounts, unless otherwise noted. Certain prior year’s balances have been reclassified to conform to the current financial statement presentation.

Recently Issued Accounting Pronouncements

The Financial Accounting Standards Board (“FASB”) issued the following Accounting Standards Updates (“ASU”) which could have potential impact on the Company’s financial statements:

ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606).  This standard 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. This standard sets forth a five-step revenue recognition model which replaces the current revenue recognition guidance in its entirety and is intended to eliminate numerous industry-specific pieces of revenue recognition guidance.  To further assist with adoption and implementation of ASU 2014-09, the FASB issued the following ASUs:

•ASU 2016-08 (Issued March 2016) — Principal versus Agent Consideration (Reporting Revenue Gross versus Net)

•ASU 2016-10 (Issued April 2016) — Identifying Performance Obligations and Licensing

•ASU 2016-12 (Issued May 2016) — Narrow-Scope Improvements and Practical Expedients

•ASU 2016-20 (Issued December 2016) — Technical Corrections and Improvements to Topic 606, Revenue from Contracts with Customers

This standard is effective in the first quarter of 2018 for public companies and requires either a full retrospective or a modified retrospective approach to adoption.  We will adopt this standard using the modified retrospective method.  We have established a cross-functional coordinated implementation team to implement ASU 2014-09. We have completed our initial diagnostic assessment and are in the process of identifying and implementing changes to our systems, processes and internal controls to meet the reporting and disclosure requirements. We continue to engage outside expertise to assist us in determining the effect this standard will have on our financial statements, to assist us in making necessary changes in our accounting practices and to assist us in making certain we are capturing the necessary detail to fulfill the disclosure requirements promulgated in this standard.

Based upon our initial diagnostic assessment, we believe the key revenue streams will be based on method of distribution. The key revenue streams identified are distribution and OEM sales which comprise the majority of our business. Based upon the results of the diagnostic assessment, the Company believes that the pattern of revenue recognition for these revenue streams will be at a point-in-time consistent with current guidance.  The Company is evaluating if there are multiple performance obligations within its contracts. The Company has identified a number of variable consideration components within our contracts with customers and is in process of quantifying the overall impact related to the consideration to which the entity is entitled.  Additionally, the Company is evaluating the impact to the current estimation processes and the related internal controls. The Company continues to evaluate the remaining impacts of the standard and its effect on the Company’s financial statements and related disclosures.

ASU No. 2016-02, Leases (Topic 842) (“ASU 2016-02”) - In February 2016, the FASB issued ASU 2016-02, which amends the accounting treatment for leases. The amendments are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Lessees (for capital and operating leases) and lessors (for sales-type, direct financing, and operating leases) must apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. The modified retrospective approach would not require any transition accounting for leases that expired before the earliest comparative period presented. Lessees and lessors may not apply a full retrospective transition approach. Early adoption is permitted. The Company is currently evaluating the impact that the adoption of ASU 2016-02 may have on its consolidated financial statements and has not elected early adoption as of the period ended June 30, 2017.  During the second quarter of 2017 we engaged accounting experts to assist us in the implementation of this new standard, and those experts have started data gathering and assessment of our outstanding leases.

ASU No. 2016-09, Compensation—Stock Compensation (Topic 718) Improvements to Employee Share-Based Payment Accounting - In March 2016, the FASB issued guidance to simplify the accounting for share-based payment transactions by requiring all excess tax benefits and deficiencies to be recognized in income tax expense or benefit in earnings, thus eliminating the requirement to classify the excess tax benefit and deficiencies as additional paid-in capital. Under the new guidance, an entity makes an accounting policy election to either estimate the expected forfeiture awards or account for forfeitures as they occur. We adopted ASU No. 2016-09 during the first quarter of 2017 and as a result will account for forfeitures as they occur.  The effect of the adoption related to the income tax portion was an increase of $4.8 million to retained earnings and to deferred income tax assets.  The effect of the adoption related to forfeitures was an increase to additional paid in capital of $0.8 million, an increase to deferred tax assets of $0.3 million and a decrease to retained earnings of $0.5 million.

ASU No. 2017-09,Compensation – Stock Compensation (Topic 718) Scope of Modification Accounting -In May 2017, the FASB issued guidance to clarify when to account for a change to the terms or conditions of a share-based payment award as a modification.  Under the new guidance, modification accounting is required only if the fair value, the vesting conditions, or the classification of the award (as equity or liability) changes as a result of the change in terms or conditions. The guidance is effective prospectively for all companies for annual periods beginning on or after December 15, 2017. Early adoption is permitted.  This new guidance will only affect the Company if it modifies stock awards in the future.

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Earnings Per Share

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Earnings Per Share

NOTE 2 – Earnings per Share

Earnings per share (“EPS”) are calculated by dividing net income attributable to common stockholders by the weighted-average number of shares of Common Stock outstanding during the period. Diluted EPS are calculated similarly but includes potential dilution from the exercise of stock options and stock awards, except when the effect would be anti-dilutive. A total of 0.9 million and 1.9 million stock options and stock awards outstanding during the three months ended June 30, 2017 and 2016, respectively, and 0.8 million and 1.9 million stock options and stock awards outstanding during the six months ended June 20, 2017 and 2016, respectively, were excluded from the calculation because the effect was anti-dilutive.  

The table below sets forth the reconciliation between net income (loss) and the weighted average shares outstanding used for calculating basic and diluted EPS for the three and six months ended June 30, 2017 and 2016:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Earnings (numerator)
Net income attributable to common stockholders	$	13,179	$	5,752	$	14,396	$	4,019
Shares (denominator)
Weighted average common shares outstanding (basic)		48,518		48,383		48,418		48,336
Dilutive effect of stock options and stock awards outstanding		1,426		1,117		1,389		1,044
Adjusted weighted average common shares outstanding (diluted)		49,944		49,500		49,807		49,380
Earnings per share attributable to common stockholders
Basic	$	0.27	$	0.12	$	0.30	$	0.08
Diluted	$	0.26	$	0.12	$	0.29	$	0.08

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Inventories

6 Months Ended

Jun. 30, 2017

Inventory Disclosure [Abstract]

Inventories

NOTE 3 – Inventories

The table below sets forth inventories which are stated at the lower of cost or market value:

	June 30, 2017		December 31, 2016
Finished goods	$	57,709	$	66,930
Work-in-progress		56,007		45,408
Raw materials		94,010		81,145
Total	$	207,726	$	193,483

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Goodwill and Intangible Assets

6 Months Ended

Jun. 30, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

NOTE 4 – Goodwill and Intangible Assets

The table below sets forth the changes in goodwill:

Balance at December 31, 2016	$	129,412
Foreign currency translation adjustment		2,878
Balance at June 30, 2017	$	132,290

The table below sets forth the value of intangible assets, other than goodwill:

	June 30,			December 31,
	2017			2016
Intangible assets subject to amortization:
Gross carrying amount	$	232,747		$	232,747
Accumulated amortization		(78,653	)		(69,247	)
Foreign currency translation adjustment		(8,318	)		(8,442	)
Total		145,776			155,058
Intangible assets with indefinite lives:
Gross carrying amount		21,003			21,003
Foreign currency translation adjustment		(1,083	)		(1,185	)
Total		19,920			19,818
Total intangible assets, net	$	165,696		$	174,876

The table below sets forth amortization expense related to intangible assets subject to amortization for the three and six months ended June 30, 2017 and 2016:

Amortization expense	2017		2016
Three months ended June 30,	$	4,646	$	5,131
Six months ended June 30,	$	9,404	$	10,262

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Income Tax Provision

6 Months Ended

Jun. 30, 2017

Income Tax Disclosure [Abstract]

Income Tax Provision

NOTE 5 – Income Tax Provision

The table below sets forth information related to our income tax expense:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2017			2016			2017			2016
Domestic pre-tax income (loss)	$	(22,032	)	$	5,075		$	(35,243	)	$	(4,621	)
Foreign pre-tax income	$	41,895		$	3,717		$	57,208		$	11,376
Income tax provision	$	6,039		$	2,396		$	6,599		$	1,844
Effective tax rate		30.4	%		27.3	%		30.0	%		27.3	%
Impact of tax holidays on tax expense	$	(857	)	$	(1,283	)	$	(1,820	)	$	(2,107	)
Earnings per share impact of tax holidays
Basic	$	0.02		$	0.02		$	0.04		$	0.04
Diluted	$	0.02		$	0.02		$	0.04		$	0.04

          The increase in the effective tax rate over the three and six months ended June 30, 2017 when compared to the three and six months ended June 30, 2016, is primarily attributable to changes in the proportion of income generated in North America, Europe and Asia, and the impact of ASU 2016-09 related to the treatment of equity based compensation. In both periods the effective tax rates were lower than the U.S. statutory rate of 35%, principally from the impact of income from lower-taxed jurisdictions.

  Funds repatriated from foreign subsidiaries to the U.S. may be subject to federal and state income taxes. The Company intends to permanently reinvest overseas all of its earnings from its 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 Company files income tax returns in the U.S. federal jurisdiction and in various state and foreign jurisdictions. The Company is no longer subject to U.S. federal income tax examinations by tax authorities for tax years before 2007, or for the 2010 tax year.  The Company is no longer subject to China income tax examinations by tax authorities for tax years before 2005. With respect to state and local jurisdictions and countries outside of the U.S. (other than China), with limited exceptions, the Company is no longer subject to income tax audits for years before 2006. Although the outcome of tax audits is always uncertain, the Company believes that adequate amounts of tax, interest and penalties, if any, have been provided for in the Company’s reserve for any adjustments that may result from tax audits. The Company recognizes accrued interest and penalties related to unrecognized tax benefits in interest expense. As of June 30, 2017, the gross amount of unrecognized tax benefits was approximately $30.6 million.

It is reasonably possible that the amount of the unrecognized benefit with respect to certain of the Company’s 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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Share-Based Compensation

6 Months Ended

Jun. 30, 2017

Share Based Compensation [Abstract]

Share-Based Compensation

NOTE 6 – Share-Based Compensation

The table below sets forth the line items where share-based compensation expense was recorded for the three and six months ended June 30, 2017 and 2016:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Cost of goods sold	$	153	$	236	$	311	$	437
Selling, general and administrative		3,993		3,632		7,297		7,336
Research and development		688		693		1,357		1,307
Total share-based compensation expense	$	4,834	$	4,561	$	8,965	$	9,080

The table below sets forth share-based compensation expense by type for the three and six months ended June 30, 2017 and 2016:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Stock options	$	301	$	420	$	598	$	908
Share grants		4,533		4,141		8,367		8,172
Total share-based compensation expense	$	4,834	$	4,561	$	8,965	$	9,080

Stock Options. There was approximately $6.7 million in cash proceeds received from stock option exercises during the six months ended June 30, 2017.

As of June 30, 2017, total unrecognized share-based compensation expense related to unvested stock options was approximately $0.6 million, before income taxes, and is expected to be recognized over a weighted average period of less than 1 year.  

Share Grants. Restricted stock awards and restricted stock units generally vest in equal annual installments over a four-year period. We also have share grants that are performance based that vest upon achievement of certain performance criteria.  During the six months ended June 30, 2017, the Company modified a previous performance-based award previously granted to our Chief Executive Officer.  The effect was to replace a performance-based grant covering 700,000 shares of the Company’s common stock with a performance-based grant covering 62,905 shares of the Company’s common stock and a restricted stock grant covering 62,905 of the Company’s common stock.  If certain performance criteria are met, Dr. Lu will receive 200% of the award or 125,810 shares.  The incremental expense if Dr. Lu received 200% of the PSU award is approximately $3.3 million.  The incremental expense of the restricted stock grant is approximately $1.7 million.

As of June 30, 2017, total unrecognized share-based compensation expense related to share grants was approximately $32.9 million, before income taxes, and is expected to be recognized over a weighted average period of approximately 2.4 years.  

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Segment Information and Enterprise-Wide Disclosure

6 Months Ended

Jun. 30, 2017

Segment Reporting [Abstract]

Segment Information and Enterprise-Wide Disclosure

NOTE 7 – 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. During the three months ended June 30, 2017, one customer equaled 10% or $26.6 million of our revenue.  This customer did not equal 10% or greater of our revenue for the six months ended June 30, 2017 or 10% or greater of our outstanding accounts receivable at June 30, 2017.

The tables below set forth net sales based on the location of the subsidiary producing the net sale.

Three Months Ended
June 30, 2017	Asia			North America			Europe			Consolidated
Total sales	$	250,551		$	47,873		$	45,807		$	344,231
Intercompany elimination		(41,149	)		(22,946	)		(15,912	)		(80,007	)
Net sales	$	209,402		$	24,927		$	29,895		$	264,224
Three Months Ended
June 30, 2016	Asia			North America			Europe			Consolidated
Total sales	$	222,055		$	29,251		$	42,771		$	294,077
Intercompany elimination		(37,190	)		(4,630	)		(15,612	)		(57,432	)
Net sales	$	184,865		$	24,621		$	27,159		$	236,645
As of and for the Six Months Ended
June 30, 2017	Asia			North America			Europe			Consolidated
Total sales	$	468,894		$	90,752		$	86,825		$	646,471
Intercompany elimination		(74,488	)		(40,486	)		(30,970	)		(145,944	)
Net sales	$	394,406		$	50,266		$	55,855		$	500,527
Property, plant and equipment, net	$	350,297		$	56,691		$	20,080		$	427,068
Total assets	$	993,324		$	378,736		$	207,069		$	1,579,129
As of and for the Six Months Ended
June 30, 2016	Asia			North America			Europe			Consolidated
Total sales	$	431,805		$	61,109		$	83,050		$	575,964
Intercompany elimination		(70,040	)		(15,664	)		(30,877	)		(116,581	)
Net sales	$	361,765		$	45,445		$	52,173		$	459,383
Property, plant and equipment, net	$	350,143		$	58,723		$	16,311		$	425,177
Total assets	$	951,290		$	417,922		$	173,654		$	1,542,866

Geographic Information

The tables below set forth the amount of net sales that were derived from (shipped to) customers located in the following countries:

	Net Sales for the
	Three Months Ended				Percentage of
	June 30,				Net Sales
	2017		2016		2017			2016
China	$	146,696	$	134,063		56	%		57	%
United States		23,456		21,552		9	%		9	%
Korea		15,804		13,658		6	%		6	%
Germany		19,031		18,320		7	%		8	%
Singapore		15,097		11,081		6	%		5	%
Taiwan		18,119		18,103		7	%		8	%
All others (1)		26,021		19,868		9	%		7	%
Total	$	264,224	$	236,645		100	%		100	%
	Net Sales for the
	Six Months Ended				Percentage of
	June 30,				Net Sales
	2017		2016		2017			2016
China	$	276,221	$	262,945		55	%		57	%
United States		44,655		40,658		9	%		9	%
Korea		33,363		27,459		7	%		6	%
Germany		36,454		33,226		7	%		7	%
Singapore		26,588		23,160		5	%		5	%
Taiwan		33,618		31,989		7	%		7	%
All others (1)		49,628		39,946		10	%		9	%
Total	$	500,527	$	459,383		100	%		100	%

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

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2017

Commitments And Contingencies Disclosure [Abstract]

Commitments and Contingencies

NOTE 8 – Commitments and Contingencies

Purchase commitments – As of June 30, 2017, we had approximately $31.2 million in non-cancelable purchase contracts related to capital expenditures, primarily related to Asia manufacturing facilities.

Defined Benefit Plan - We have a contributory defined benefit plan that covers certain employees in the United Kingdom.  As of June 30, 2017, the unfunded liability for this defined benefit plan was approximately $30.3 million.  We are obligated to make annual contributions, each year through December 2029, of approximately GPB 2 million (approximately $2.6 million based on a GBP:USD exchange rate of 1.3).  The trustees are required to review the funding position every three years, and the most recent review was carried out as of April 5, 2016. The outcome of a review can result in a change in the amount of the payment.

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.  The Company is not currently a party to any pending litigation that the Company considers material.

Foreign Currency Exchange Hedging Contracts – At June 30, 2017 the Company had foreign currency hedges outstanding of approximately $30.8 million. The Company plans to continue hedging a portion of its foreign currency risk.

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Employee Benefit Plans

6 Months Ended

Jun. 30, 2017

Compensation And Retirement Disclosure [Abstract]

Employee Benefit Plans

NOTE 9 – Employee Benefit Plans

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 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 June 30, 2017, these investments totaled approximately $7.3 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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Related Parties

6 Months Ended

Jun. 30, 2017

Related Party Transactions [Abstract]

Related Parties

NOTE 10 – Related Parties

We conduct business with a related party company, Lite-On Semiconductor Corporation and its subsidiaries and affiliates (collectively, “LSC”), and Nuvoton Technology Corporation and its subsidiaries and affiliates (collectively, “Nuvoton”). LSC is our largest stockholder, owning approximately16.7%ofouroutstandingCommonStockasofJune 30,2017,andisamemberoftheLite-On Groupofcompanies.Raymond Soong, the Chairman of the Board of Directors, is the Chairman of LSC, and is the Chairman of Lite-On Technology Corporation (“LTC”), a significant shareholder of LSC. C.H. Chen, our former President and Chief Executive Officer and currently the Vice Chairman of the Board of Directors, is also Vice Chairman of LSC and a board member of LTC. Dr. Keh-Shew Lu, our President and Chief Executive Officer and a member of our Board of Directors, is a board member of LTC, and a board member of Nuvoton. L.P. Hsu, a former member of our Board of Directors serves as a consultant to LTC, and is a supervisor of the board of Nuvoton. We consider our relationships with LSC and Nuvoton to be mutually beneficial, and we plan to continue our strategic alliance with LSC and Nuvoton.  We purchase wafers from Nuvoton for use in our production process.

We also conduct business with Keylink International (B.V.I.) Inc. and its subsidiaries and affiliates (collectively, “Keylink”). Keylink is our 5% joint venture partner in our Shanghai assembly and test facilities.   We sell products to, and purchase inventory from Keylink. In addition, our subsidiaries in China lease their manufacturing facilities in Shanghai from, and subcontract a portion of our manufacturing process (metal plating and environmental services) to, Keylink. We also pay a consulting fee to Keylink. The aggregate amounts paid to Keylink for the three months ended June 30, 2017 and 2016 were approximately $4.5 million and $4.3 million, respectively.  The aggregate amounts for these services for the six months ended June 30, 2017 and 2016 were approximately $7.9 million and $8.4 million, respectively.Inaddition, Chengdu Ya Guang Electronic Company Limited (“YaGuang”)is our 2% joint venture partner in one of our Chengdu assembly and test facilities and isour5%jointventurepartnerinourotherChengduassemblyandtestfacilities;however, we have no material transactions with Ya Guang.

TheAuditCommitteeoftheBoardreviewsallrelatedpartytransactionsfor potentialconflictofinterestsituationsonanongoingbasis,allinaccordancewithsuchproceduresastheAuditCommitteemayadopt fromtime totime.

The table below sets forth sales to, and purchases from, LSC, Nuvoton and Keylink:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
LSC
Net sales	$	504	$	157	$	735	$	277
Purchases	$	7,142	$	6,717	$	13,161	$	11,927
Nuvoton
Purchases	$	3,376	$	2,675	$	6,285	$	5,622
Keylink
Net sales	$	2,413	$	2,246	$	4,235	$	4,157
Purchases	$	943	$	1,575	$	2,021	$	2,835

The table below sets forth accounts receivable from, and accounts payable to, LSC, Nuvoton and Keylink:

	June 30,		December 31,
	2017		2016
LSC
Accounts receivable	$	491	$	301
Accounts payable	$	5,092	$	4,333
Keylink
Accounts receivable	$	3,855	$	5,394
Accounts payable	$	4,917	$	4,295
Nuvoton
Accounts payable	$	1,812	$	950

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Restructuring Costs

6 Months Ended

Jun. 30, 2017

Restructuring And Related Activities [Abstract]

Restructuring Costs

NOTE 11 – Restructuring Costs

In February 2017, the Company announced its plan to transfer its wafer fabrication operation in Lee’s Summit, MO, (“KFAB”) to other Company-owned wafer fabrication plants and external foundries. The Company expects to cease operations at KFAB late in third quarter 2017 and to vacate the premises no later than November 15, 2017. Employees have been offered retention and standard severance packages.  During the quarter ended March 2017, the Company received $6.0 million of insurance proceeds as a result of the fires sustained at the KFAB facility during 2016 of which $4.2 million is recorded in Cost of Goods Sold and $1.8 million is recorded in Other Income.

Total KFAB shutdown costs are expected to be approximately $10 million to $12 million, on a pretax basis, which will be expensed and paid throughout 2017. The table below sets forth the restructuring costs, recorded in restructuring expense in the Condensed Consolidated Statements of Operations, incurred during the three months and six months ended June 30, 2017:                                   

	Three Months Ended	Six Months Ended
Early supply contract termination	$           (246)	$          1,985
Cost of equipment relocation	72	72
Asset retirement obligation	234	234
Retention costs	1,778	1,778
	$          1,838	$          4,069

The table below sets forth the costs accrued related to the KFAB restructuring:

	Early Contract Termination	Retention Costs	Equipment Relocation	Asset Retirement Obligation Amortization	Total
Beginning balance, January 1, 2017	$                -	$                -	$                -	$                -	$                -
Costs accrued	1,985	1,778	72	234	4,069
Restructuring costs paid	(1,500)	-	(72)	-	(1,572)
Ending balance, June 30, 2017	$             485	$          1,778	$                -	$             234	$          2,497

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

6 Months Ended

Jun. 30, 2017

Accounting Policies [Abstract]

Nature of Operations

Nature of Operations

Diodes Incorporated, together with its subsidiaries (collectively, the “Company,” “we” or “our”) (Nasdaq: DIOD), is a leading global manufacturer and supplier of high-quality, application-specific standard products within the broad discrete, logic, analog and mixed-signal semiconductor markets. We serve the consumer electronics, computing, communications, industrial, and automotive markets. Our products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers. Our corporate headquarters and Americas’ sales office are located in Plano, Texas and Milpitas, California. Design, marketing, and engineering centers are located in Plano; Milpitas; Taipei, Taoyuan City and Zhubei City, Taiwan; Manchester, England; and Neuhaus, Germany. Our wafer fabrication facilities are located in Lee’s Summit, Missouri and Manchester, with an additional facility located in Shanghai, China. We have assembly and test facilities located in Shanghai, Jinan, Chengdu, and Yangzhou, China, as well as in Hong Kong, Neuhaus and Taipei. Additional engineering, sales, warehouse, and logistics offices are located in Taipei; Hong Kong; Manchester; Shanghai; Shenzhen, China; Seongnam-si, South Korea; and Munich, Germany, with support offices throughout the world.

Basis of Presentation

Basis of Presentation

The condensed consolidated financial data at December 31, 2016 is derived from audited financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2016 filed with the Securities and Exchange Commission (“SEC”) on February 27, 2017 (“Form 10-K”). The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with United States Generally Accepted Accounting Principles (“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 GAAP for complete financial statements. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes contained in our Form 10-K.  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 and six months ended June 30, 2017 are not necessarily indicative of the results that may be expected for other interim periods or the year ending December 31, 2017.

The preparation of financial statements in conformity with 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 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. Dollar amounts and share amounts are presented in thousands, except per share amounts, unless otherwise noted. Certain prior year’s balances have been reclassified to conform to the current financial statement presentation.

Recently Issued Accounting Pronouncements

Recently Issued Accounting Pronouncements

The Financial Accounting Standards Board (“FASB”) issued the following Accounting Standards Updates (“ASU”) which could have potential impact on the Company’s financial statements:

ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606).  This standard 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. This standard sets forth a five-step revenue recognition model which replaces the current revenue recognition guidance in its entirety and is intended to eliminate numerous industry-specific pieces of revenue recognition guidance.  To further assist with adoption and implementation of ASU 2014-09, the FASB issued the following ASUs:

•ASU 2016-08 (Issued March 2016) — Principal versus Agent Consideration (Reporting Revenue Gross versus Net)

•ASU 2016-10 (Issued April 2016) — Identifying Performance Obligations and Licensing

•ASU 2016-12 (Issued May 2016) — Narrow-Scope Improvements and Practical Expedients

•ASU 2016-20 (Issued December 2016) — Technical Corrections and Improvements to Topic 606, Revenue from Contracts with Customers

This standard is effective in the first quarter of 2018 for public companies and requires either a full retrospective or a modified retrospective approach to adoption.  We will adopt this standard using the modified retrospective method.  We have established a cross-functional coordinated implementation team to implement ASU 2014-09. We have completed our initial diagnostic assessment and are in the process of identifying and implementing changes to our systems, processes and internal controls to meet the reporting and disclosure requirements. We continue to engage outside expertise to assist us in determining the effect this standard will have on our financial statements, to assist us in making necessary changes in our accounting practices and to assist us in making certain we are capturing the necessary detail to fulfill the disclosure requirements promulgated in this standard.

Based upon our initial diagnostic assessment, we believe the key revenue streams will be based on method of distribution. The key revenue streams identified are distribution and OEM sales which comprise the majority of our business. Based upon the results of the diagnostic assessment, the Company believes that the pattern of revenue recognition for these revenue streams will be at a point-in-time consistent with current guidance.  The Company is evaluating if there are multiple performance obligations within its contracts. The Company has identified a number of variable consideration components within our contracts with customers and is in process of quantifying the overall impact related to the consideration to which the entity is entitled.  Additionally, the Company is evaluating the impact to the current estimation processes and the related internal controls. The Company continues to evaluate the remaining impacts of the standard and its effect on the Company’s financial statements and related disclosures.

ASU No. 2016-02, Leases (Topic 842) (“ASU 2016-02”) - In February 2016, the FASB issued ASU 2016-02, which amends the accounting treatment for leases. The amendments are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Lessees (for capital and operating leases) and lessors (for sales-type, direct financing, and operating leases) must apply a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. The modified retrospective approach would not require any transition accounting for leases that expired before the earliest comparative period presented. Lessees and lessors may not apply a full retrospective transition approach. Early adoption is permitted. The Company is currently evaluating the impact that the adoption of ASU 2016-02 may have on its consolidated financial statements and has not elected early adoption as of the period ended June 30, 2017.  During the second quarter of 2017 we engaged accounting experts to assist us in the implementation of this new standard, and those experts have started data gathering and assessment of our outstanding leases.

ASU No. 2016-09, Compensation—Stock Compensation (Topic 718) Improvements to Employee Share-Based Payment Accounting - In March 2016, the FASB issued guidance to simplify the accounting for share-based payment transactions by requiring all excess tax benefits and deficiencies to be recognized in income tax expense or benefit in earnings, thus eliminating the requirement to classify the excess tax benefit and deficiencies as additional paid-in capital. Under the new guidance, an entity makes an accounting policy election to either estimate the expected forfeiture awards or account for forfeitures as they occur. We adopted ASU No. 2016-09 during the first quarter of 2017 and as a result will account for forfeitures as they occur.  The effect of the adoption related to the income tax portion was an increase of $4.8 million to retained earnings and to deferred income tax assets.  The effect of the adoption related to forfeitures was an increase to additional paid in capital of $0.8 million, an increase to deferred tax assets of $0.3 million and a decrease to retained earnings of $0.5 million.

ASU No. 2017-09,Compensation – Stock Compensation (Topic 718) Scope of Modification Accounting -In May 2017, the FASB issued guidance to clarify when to account for a change to the terms or conditions of a share-based payment award as a modification.  Under the new guidance, modification accounting is required only if the fair value, the vesting conditions, or the classification of the award (as equity or liability) changes as a result of the change in terms or conditions. The guidance is effective prospectively for all companies for annual periods beginning on or after December 15, 2017. Early adoption is permitted.  This new guidance will only affect the Company if it modifies stock awards in the future.

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Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The table below sets forth the reconciliation between net income (loss) and the weighted average shares outstanding used for calculating basic and diluted EPS for the three and six months ended June 30, 2017 and 2016:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Earnings (numerator)
Net income attributable to common stockholders	$	13,179	$	5,752	$	14,396	$	4,019
Shares (denominator)
Weighted average common shares outstanding (basic)		48,518		48,383		48,418		48,336
Dilutive effect of stock options and stock awards outstanding		1,426		1,117		1,389		1,044
Adjusted weighted average common shares outstanding (diluted)		49,944		49,500		49,807		49,380
Earnings per share attributable to common stockholders
Basic	$	0.27	$	0.12	$	0.30	$	0.08
Diluted	$	0.26	$	0.12	$	0.29	$	0.08

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Inventories (Tables)

6 Months Ended

Jun. 30, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory Current

The table below sets forth inventories which are stated at the lower of cost or market value:

	June 30, 2017		December 31, 2016
Finished goods	$	57,709	$	66,930
Work-in-progress		56,007		45,408
Raw materials		94,010		81,145
Total	$	207,726	$	193,483

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Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Changes in Goodwill

The table below sets forth the changes in goodwill:

Balance at December 31, 2016	$	129,412
Foreign currency translation adjustment		2,878
Balance at June 30, 2017	$	132,290

Schedule of Intangible Assets Other Than Goodwill

The table below sets forth the value of intangible assets, other than goodwill:

	June 30,			December 31,
	2017			2016
Intangible assets subject to amortization:
Gross carrying amount	$	232,747		$	232,747
Accumulated amortization		(78,653	)		(69,247	)
Foreign currency translation adjustment		(8,318	)		(8,442	)
Total		145,776			155,058
Intangible assets with indefinite lives:
Gross carrying amount		21,003			21,003
Foreign currency translation adjustment		(1,083	)		(1,185	)
Total		19,920			19,818
Total intangible assets, net	$	165,696		$	174,876

Schedule of Amortization Expense Related to Intangible Assets

The table below sets forth amortization expense related to intangible assets subject to amortization for the three and six months ended June 30, 2017 and 2016:

Amortization expense	2017		2016
Three months ended June 30,	$	4,646	$	5,131
Six months ended June 30,	$	9,404	$	10,262

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Income Tax Provision (Tables)

6 Months Ended

Jun. 30, 2017

Income Tax Disclosure [Abstract]

Schedule of Information Related to Income Tax Expense

The table below sets forth information related to our income tax expense:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2017			2016			2017			2016
Domestic pre-tax income (loss)	$	(22,032	)	$	5,075		$	(35,243	)	$	(4,621	)
Foreign pre-tax income	$	41,895		$	3,717		$	57,208		$	11,376
Income tax provision	$	6,039		$	2,396		$	6,599		$	1,844
Effective tax rate		30.4	%		27.3	%		30.0	%		27.3	%
Impact of tax holidays on tax expense	$	(857	)	$	(1,283	)	$	(1,820	)	$	(2,107	)
Earnings per share impact of tax holidays
Basic	$	0.02		$	0.02		$	0.04		$	0.04
Diluted	$	0.02		$	0.02		$	0.04		$	0.04

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Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2017

Share Based Compensation [Abstract]

Schedule of Share-Based Compensation Expense

The table below sets forth the line items where share-based compensation expense was recorded for the three and six months ended June 30, 2017 and 2016:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Cost of goods sold	$	153	$	236	$	311	$	437
Selling, general and administrative		3,993		3,632		7,297		7,336
Research and development		688		693		1,357		1,307
Total share-based compensation expense	$	4,834	$	4,561	$	8,965	$	9,080

Schedule of Share-Based Compensation Expense by Type

The table below sets forth share-based compensation expense by type for the three and six months ended June 30, 2017 and 2016:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Stock options	$	301	$	420	$	598	$	908
Share grants		4,533		4,141		8,367		8,172
Total share-based compensation expense	$	4,834	$	4,561	$	8,965	$	9,080

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Segment Information and Enterprise-Wide Disclosure (Tables)

6 Months Ended

Jun. 30, 2017

Segment Reporting [Abstract]

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

The tables below set forth net sales based on the location of the subsidiary producing the net sale.

Three Months Ended
June 30, 2017	Asia			North America			Europe			Consolidated
Total sales	$	250,551		$	47,873		$	45,807		$	344,231
Intercompany elimination		(41,149	)		(22,946	)		(15,912	)		(80,007	)
Net sales	$	209,402		$	24,927		$	29,895		$	264,224
Three Months Ended
June 30, 2016	Asia			North America			Europe			Consolidated
Total sales	$	222,055		$	29,251		$	42,771		$	294,077
Intercompany elimination		(37,190	)		(4,630	)		(15,612	)		(57,432	)
Net sales	$	184,865		$	24,621		$	27,159		$	236,645
As of and for the Six Months Ended
June 30, 2017	Asia			North America			Europe			Consolidated
Total sales	$	468,894		$	90,752		$	86,825		$	646,471
Intercompany elimination		(74,488	)		(40,486	)		(30,970	)		(145,944	)
Net sales	$	394,406		$	50,266		$	55,855		$	500,527
Property, plant and equipment, net	$	350,297		$	56,691		$	20,080		$	427,068
Total assets	$	993,324		$	378,736		$	207,069		$	1,579,129
As of and for the Six Months Ended
June 30, 2016	Asia			North America			Europe			Consolidated
Total sales	$	431,805		$	61,109		$	83,050		$	575,964
Intercompany elimination		(70,040	)		(15,664	)		(30,877	)		(116,581	)
Net sales	$	361,765		$	45,445		$	52,173		$	459,383
Property, plant and equipment, net	$	350,143		$	58,723		$	16,311		$	425,177
Total assets	$	951,290		$	417,922		$	173,654		$	1,542,866

Schedule of Net Sales by Countries

The tables below set forth the amount of net sales that were derived from (shipped to) customers located in the following countries:

	Net Sales for the
	Three Months Ended				Percentage of
	June 30,				Net Sales
	2017		2016		2017			2016
China	$	146,696	$	134,063		56	%		57	%
United States		23,456		21,552		9	%		9	%
Korea		15,804		13,658		6	%		6	%
Germany		19,031		18,320		7	%		8	%
Singapore		15,097		11,081		6	%		5	%
Taiwan		18,119		18,103		7	%		8	%
All others (1)		26,021		19,868		9	%		7	%
Total	$	264,224	$	236,645		100	%		100	%
	Net Sales for the
	Six Months Ended				Percentage of
	June 30,				Net Sales
	2017		2016		2017			2016
China	$	276,221	$	262,945		55	%		57	%
United States		44,655		40,658		9	%		9	%
Korea		33,363		27,459		7	%		6	%
Germany		36,454		33,226		7	%		7	%
Singapore		26,588		23,160		5	%		5	%
Taiwan		33,618		31,989		7	%		7	%
All others (1)		49,628		39,946		10	%		9	%
Total	$	500,527	$	459,383		100	%		100	%

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

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Related Parties (Tables)

6 Months Ended

Jun. 30, 2017

Related Party Transactions [Abstract]

Schedule of Sales and Purchases of Related Party Transactions

The table below sets forth sales to, and purchases from, LSC, Nuvoton and Keylink:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
LSC
Net sales	$	504	$	157	$	735	$	277
Purchases	$	7,142	$	6,717	$	13,161	$	11,927
Nuvoton
Purchases	$	3,376	$	2,675	$	6,285	$	5,622
Keylink
Net sales	$	2,413	$	2,246	$	4,235	$	4,157
Purchases	$	943	$	1,575	$	2,021	$	2,835

Schedule of Account Receivable and Payable of Related Party Transactions

The table below sets forth accounts receivable from, and accounts payable to, LSC, Nuvoton and Keylink:

	June 30,		December 31,
	2017		2016
LSC
Accounts receivable	$	491	$	301
Accounts payable	$	5,092	$	4,333
Keylink
Accounts receivable	$	3,855	$	5,394
Accounts payable	$	4,917	$	4,295
Nuvoton
Accounts payable	$	1,812	$	950

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Restructuring Costs (Tables)

6 Months Ended

Jun. 30, 2017

Restructuring And Related Activities [Abstract]

Schedule of Restructuring Costs, Recorded in Restructuring Expense in Condensed Consolidated Statements of Operations, Incurred

The table below sets forth the restructuring costs, recorded in restructuring expense in the Condensed Consolidated Statements of Operations, incurred during the three months and six months ended June 30, 2017:

	Three Months Ended	Six Months Ended
Early supply contract termination	$           (246)	$          1,985
Cost of equipment relocation	72	72
Asset retirement obligation	234	234
Retention costs	1,778	1,778
	$          1,838	$          4,069

Schedule of Costs Accrued Related to Restructuring

The table below sets forth the costs accrued related to the KFAB restructuring:

	Early Contract Termination	Retention Costs	Equipment Relocation	Asset Retirement Obligation Amortization	Total
Beginning balance, January 1, 2017	$                -	$                -	$                -	$                -	$                -
Costs accrued	1,985	1,778	72	234	4,069
Restructuring costs paid	(1,500)	-	(72)	-	(1,572)
Ending balance, June 30, 2017	$             485	$          1,778	$                -	$             234	$          2,497

Schedule of Asset Retirement Obligation Related to Restructuring

The table below sets forth the asset retirement obligation related to the KFAB restructuring:

Asset retirement obligation, beginning of period	$             486
Accrual of additional asset retirement obligation	1,403
Asset retirement obligation, end of period	$          1,889

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Nature of Operations, Basis of Presentation and Recently Issued Accounting Pronouncements - Additional Information (Details) - ASU No. 2016-09 $ in Millions	6 Months Ended
	Jun. 30, 2017 USD ($)
Adoption Related to Income Tax Portion [Member]
Nature of Operations Basis of Presentation and Recently Issued Accounting Pronouncements [Line Items]
Increase (decrease) in retained earnings due to effect on adoption	$ 4.8
Increase in deferred income tax assets due to effect on adoption	4.8
Adoption Related to Forfeitures [Member]
Nature of Operations Basis of Presentation and Recently Issued Accounting Pronouncements [Line Items]
Increase (decrease) in retained earnings due to effect on adoption	(0.5)
Increase in deferred income tax assets due to effect on adoption	0.3
Increase in additional paid in capital due to effect on adoption	$ 0.8

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Earnings Per Share - Additional Information (Details) - shares shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Earnings Per Share [Abstract]
Earnings per share reconciliation disclosure			Earnings per share (“EPS”) are calculated by dividing net income attributable to common stockholders by the weighted-average number of shares of Common Stock outstanding during the period. Diluted EPS are calculated similarly but includes potential dilution from the exercise of stock options and stock awards, except when the effect would be anti-dilutive.
Stock options and stock awards outstanding, excluded from computation of earnings per share amount	0.9	1.9	0.8	1.9

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Earnings Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Earnings (numerator)
Net income attributable to common stockholders	$ 13,179	$ 5,752	$ 14,396	$ 4,019
Shares (denominator)
Weighted average common shares outstanding (basic)	48,518	48,383	48,418	48,336
Dilutive effect of stock options and stock awards outstanding	1,426	1,117	1,389	1,044
Adjusted weighted average common shares outstanding (diluted)	49,944	49,500	49,807	49,380
Earnings per share attributable to common stockholders
Basic	$ 0.27	$ 0.12	$ 0.30	$ 0.08
Diluted	$ 0.26	$ 0.12	$ 0.29	$ 0.08

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Inventories - Schedule of Inventory Current (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Inventory Disclosure [Abstract]
Finished goods	$ 57,709	$ 66,930
Work-in-progress	56,007	45,408
Raw materials	94,010	81,145
Total	$ 207,726	$ 193,483

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Goodwill and Intangible Assets - Schedule of Changes in Goodwill (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2017 USD ($)
Goodwill
Goodwill beginning balance	$ 129,412
Foreign currency translation adjustment	2,878
Goodwill ending balance	$ 132,290

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Goodwill and Intangible Assets - Schedule of Intangible Assets Other Than Goodwill (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Intangible assets subject to amortization
Gross carrying amount	$ 232,747	$ 232,747
Accumulated amortization	(78,653)	(69,247)
Foreign currency translation adjustment	(8,318)	(8,442)
Total	145,776	155,058
Intangible assets with indefinite lives
Gross carrying amount	21,003	21,003
Foreign currency translation adjustment	(1,083)	(1,185)
Total	19,920	19,818
Total intangible assets, net	$ 165,696	$ 174,876

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Goodwill and Intangible Assets - Schedule of Amortization Expense Related to Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Goodwill And Intangible Assets Disclosure [Abstract]
Amortization expense	$ 4,646	$ 5,131	$ 9,404	$ 10,262

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Income Tax Provision - Schedule of Information Related to Income Tax Expense (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Tax Disclosure [Abstract]
Domestic pre-tax income (loss)	$ (22,032)	$ 5,075	$ (35,243)	$ (4,621)
Foreign pre-tax income	41,895	3,717	57,208	11,376
Income tax provision	$ 6,039	$ 2,396	$ 6,599	$ 1,844
Effective tax rate	30.40%	27.30%	30.00%	27.30%
Impact of tax holidays on tax expense	$ (857)	$ (1,283)	$ (1,820)	$ (2,107)
Earnings per share impact of tax holidays
Basic	$ 0.02	$ 0.02	$ 0.04	$ 0.04
Diluted	$ 0.02	$ 0.02	$ 0.04	$ 0.04

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Income Tax Provision - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Tax Disclosure [Abstract]
U.S. statutory tax rate	35.00%	35.00%	35.00%	35.00%
Unrecognized tax benefits	$ 30.6		$ 30.6
Income Tax Examination, Description			The Company files income tax returns in the U.S. federal jurisdiction and in various state and foreign jurisdictions. The Company is no longer subject to U.S. federal income tax examinations by tax authorities for tax years before 2007, or for the 2010 tax year. The Company is no longer subject to China income tax examinations by tax authorities for tax years before 2005. With respect to state and local jurisdictions and countries outside of the U.S. (other than China), with limited exceptions, the Company is no longer subject to income tax audits for years before 2006. Although the outcome of tax audits is always uncertain, the Company believes that adequate amounts of tax, interest and penalties, if any, have been provided for in the Company’s reserve for any adjustments that may result from tax audits. The Company recognizes accrued interest and penalties related to unrecognized tax benefits in interest expense.
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 the Company’s 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.

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Share-Based Compensation - Schedule of Share-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share-based compensation expense	$ 4,834	$ 4,561	$ 8,965	$ 9,080
Cost of Goods Sold
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share-based compensation expense	153	236	311	437
Selling, General and Administrative
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share-based compensation expense	3,993	3,632	7,297	7,336
Research and Development
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share-based compensation expense	$ 688	$ 693	$ 1,357	$ 1,307

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Share-Based Compensation - Schedule of Share-Based Compensation Expense by Type (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share-based compensation expense	$ 4,834	$ 4,561	$ 8,965	$ 9,080
Stock Options
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share-based compensation expense	301	420	598	908
Share Grants
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total share-based compensation expense	$ 4,533	$ 4,141	$ 8,367	$ 8,172

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Share-Based Compensation - Additional Information (Details) $ in Millions	6 Months Ended
	Jun. 30, 2017 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash proceeds received from stock option exercises	$ 6.7
Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance-based grant covering shares | shares	125,810
Payout percentage of award subject to performance criteria	200.00%
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized	$ 0.6
Stock Options | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition	1 year
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized	$ 32.9
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition	2 years 4 months 24 days
Share-based compensation arrangement by share-based payment award, award vesting period	4 years
Restricted Stock | Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Incremental expense	$ 1.7
Restricted Stock | Chief Executive Officer | Common Stock | Current Performance Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance-based/restricted stock grant covering shares | shares	62,905
Performance Grants | Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Incremental expense	$ 3.3
Performance Grants | Chief Executive Officer | Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance-based grant covering shares, description	Restricted stock awards and restricted stock units generally vest in equal annual installments over a four-year period. We also have share grants that are performance based that vest upon achievement of certain performance criteria. During the six months ended June 30, 2017, the Company modified a previous performance-based award previously granted to our Chief Executive Officer.
Performance Grants | Chief Executive Officer | Common Stock | Previous Performance Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance-based/restricted stock grant covering shares | shares	700,000
Performance Grants | Chief Executive Officer | Common Stock | Current Performance Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance-based/restricted stock grant covering shares | shares	62,905

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Segment Information and Enterprise-Wide Disclosure - Additional Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017 USD ($) Customer	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) Customer	Jun. 30, 2016 USD ($)
Entity Wide Revenue Major Customer [Line Items]
Number of customer equaled 10% or $26.6 million of revenue | Customer	1
Net sales | $	$ 264,224	$ 236,645	$ 500,527	$ 459,383
Number of customer did not equal 10% or greater of revenue or outstanding accounts receivable | Customer			1
Geographic Concentration Risk
Entity Wide Revenue Major Customer [Line Items]
Net sales | $	$ 26,600

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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	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Net sales	$ 264,224	$ 236,645	$ 500,527	$ 459,383
Property, plant and equipment, net	427,068	425,177	427,068	425,177	$ 401,988
Total assets	1,579,129	1,542,866	1,579,129	1,542,866	$ 1,528,552
Operating Segments
Segment Reporting Information [Line Items]
Net sales	344,231	294,077	646,471	575,964
Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales	(80,007)	(57,432)	(145,944)	(116,581)
Asia
Segment Reporting Information [Line Items]
Net sales	209,402	184,865	394,406	361,765
Property, plant and equipment, net	350,297	350,143	350,297	350,143
Total assets	993,324	951,290	993,324	951,290
Asia | Operating Segments
Segment Reporting Information [Line Items]
Net sales	250,551	222,055	468,894	431,805
Asia | Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales	(41,149)	(37,190)	(74,488)	(70,040)
North America
Segment Reporting Information [Line Items]
Net sales	24,927	24,621	50,266	45,445
Property, plant and equipment, net	56,691	58,723	56,691	58,723
Total assets	378,736	417,922	378,736	417,922
North America | Operating Segments
Segment Reporting Information [Line Items]
Net sales	47,873	29,251	90,752	61,109
North America | Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales	(22,946)	(4,630)	(40,486)	(15,664)
Europe
Segment Reporting Information [Line Items]
Net sales	29,895	27,159	55,855	52,173
Property, plant and equipment, net	20,080	16,311	20,080	16,311
Total assets	207,069	173,654	207,069	173,654
Europe | Operating Segments
Segment Reporting Information [Line Items]
Net sales	45,807	42,771	86,825	83,050
Europe | Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales	$ (15,912)	$ (15,612)	$ (30,970)	$ (30,877)

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Segment Information and Enterprise-Wide Disclosure - Schedule of Net Sales by Countries (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 264,224	$ 236,645	$ 500,527	$ 459,383
Percentage of net sales		100.00%	100.00%	100.00%	100.00%
China
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 146,696	$ 134,063	$ 276,221	$ 262,945
Percentage of net sales		56.00%	57.00%	55.00%	57.00%
United States
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 23,456	$ 21,552	$ 44,655	$ 40,658
Percentage of net sales		9.00%	9.00%	9.00%	9.00%
Korea
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 15,804	$ 13,658	$ 33,363	$ 27,459
Percentage of net sales		6.00%	6.00%	7.00%	6.00%
Germany
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 19,031	$ 18,320	$ 36,454	$ 33,226
Percentage of net sales		7.00%	8.00%	7.00%	7.00%
Singapore
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 15,097	$ 11,081	$ 26,588	$ 23,160
Percentage of net sales		6.00%	5.00%	5.00%	5.00%
Taiwan
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 18,119	$ 18,103	$ 33,618	$ 31,989
Percentage of net sales		7.00%	8.00%	7.00%	7.00%
All Others
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales	[1]	$ 26,021	$ 19,868	$ 49,628	$ 39,946
Percentage of net sales	[1]	9.00%	7.00%	10.00%	9.00%

[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 by Countries (Parenthetical) (Details)		3 Months Ended			6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Revenue Reconciling Item [Line Items]
Percentage of net sales		100.00%	100.00%		100.00%	100.00%
All Others
Segment Reporting Revenue Reconciling Item [Line Items]
Percentage of net sales	[1]	9.00%	7.00%		10.00%	9.00%
All Others | Maximum
Segment Reporting Revenue Reconciling Item [Line Items]
Percentage of net sales		3.00%	3.00%	3.00%	3.00%

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

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Commitments and Contingencies - Additional Information (Details) £ in Millions, $ in Millions	6 Months Ended
	Jun. 30, 2017 USD ($) $ / £	Jun. 30, 2017 GBP (£) $ / £
Commitments And Contingencies [Line Items]
Purchase Commitments	$ 31.2
Foreign currency hedges outstanding	$ 30.8
Pension Plan, Defined Benefit
Commitments And Contingencies [Line Items]
Defined benefit plan, estimated future employer contributions in current fiscal year, description	We have a contributory defined benefit plan that covers certain employees in the United Kingdom. As of June 30, 2017, the unfunded liability for this defined benefit plan was approximately $30.3 million. We are obligated to make annual contributions, each year through December 2029, of approximately GPB 2 million (approximately $2.6 million based on a GBP:USD exchange rate of 1.3). The trustees are required to review the funding position every three years, and the most recent review was carried out as of April 5, 2016. The outcome of a review can result in a change in the amount of the payment.
Defined benefit plan, expected future benefit payments in year one	$ 2.6	£ 2
Defined benefit plan, expected future benefit payments in year two	2.6	2
Defined benefit plan, expected future benefit payments in year three	2.6	2
Defined benefit plan, expected future benefit payments in year four	2.6	2
Defined benefit plan, expected future benefit payments in year five	2.6	2
Defined benefit plan, expected future benefit payments in eight fiscal years thereafter	$ 2.6	£ 2
GBP:USD exchange rate | $ / £	1.3	1.3
Unfunded liability of defined benefit plan	$ 30.3

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Employee Benefit Plans - Additional Information (Details) - Deferred Compensation Plan $ in Millions	6 Months Ended
	Jun. 30, 2017 USD ($)
Defined Benefit Plan Disclosure [Line Items]
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 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 June 30, 2017, these investments totaled approximately $7.3 million. All gains and losses in these investments are materially offset by corresponding gains and losses in the Deferred Compensation Plan liabilities.
Deferred compensation plan assets	$ 7.3

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Related Parties - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Lite On Semiconductor
Related Party Transaction [Line Items]
Related Party ownership of common stock	16.70%		16.70%
Related Party Transaction, Description of Transaction			LSC is our largest stockholder, owning approximately16.7% of our outstanding Common Stock as of June 30, 2017, 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%		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	$ 4.5	$ 4.3	$ 7.9	$ 8.4
Chengdu Ya Guang Electronic Company Limited ("Ya Guang")
Related Party Transaction [Line Items]
Related Party Transaction, Description of Transaction			In addition, Chengdu Ya Guang Electronic Company Limited (“Ya Guang”) is our 2% joint venture partner in one of our Chengdu assembly and test facilities and is our 5% joint venture partner in our other Chengdu assembly and test facilities
Chengdu Ya Guang Electronic Company Limited ("Ya Guang") | Chengdu | Assembly and Test Facility One
Related Party Transaction [Line Items]
Related Party ownership of common stock	2.00%		2.00%
Chengdu Ya Guang Electronic Company Limited ("Ya Guang") | Chengdu | Assembly and Test Facility Two
Related Party Transaction [Line Items]
Related Party ownership of common stock	5.00%		5.00%

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Related Parties - Schedule of Sales and Purchases of Related Party Transactions (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Lite On Semiconductor
Related Party Transaction [Line Items]
Net sales from related parties	$ 504	$ 157	$ 735	$ 277
Purchases from related parties	7,142	6,717	13,161	11,927
Nuvoton
Related Party Transaction [Line Items]
Purchases from related parties	3,376	2,675	6,285	5,622
Keylink
Related Party Transaction [Line Items]
Net sales from related parties	2,413	2,246	4,235	4,157
Purchases from related parties	$ 943	$ 1,575	$ 2,021	$ 2,835

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Related Parties - Schedule of Account Receivable and Payable of Related Party Transactions (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Lite On Semiconductor
Related Party Transaction [Line Items]
Accounts receivable	$ 491	$ 301
Accounts payable	5,092	4,333
Keylink
Related Party Transaction [Line Items]
Accounts receivable	3,855	5,394
Accounts payable	4,917	4,295
Nuvoton
Related Party Transaction [Line Items]
Accounts payable	$ 1,812	$ 950

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Restructuring Costs - Additional Information (Details) - KFAB Wafer Manufacturing Operations - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Mar. 31, 2017	Jun. 30, 2017	Feb. 28, 2017
Restructuring Cost And Reserve [Line Items]
Restructuring activities description		In February 2017, the Company announced its plan to transfer its wafer fabrication operation in Lee’s Summit, MO, (“KFAB”) to other Company-owned wafer fabrication plants and external foundries. The Company expects to cease operations at KFAB late in third quarter 2017 and to vacate the premises no later than November 15, 2017.
Proceeds from insurance settlement	$ 6,000
Additional asset retirement obligations related to restructuring		$ 1,403
Property, Plant and Equipment
Restructuring Cost And Reserve [Line Items]
Asset retirement obligation recorded		$ 1,200
Minimum
Restructuring Cost And Reserve [Line Items]
Expected shutdown costs			$ 10,000
Maximum
Restructuring Cost And Reserve [Line Items]
Expected shutdown costs			$ 12,000
Cost of Goods Sold
Restructuring Cost And Reserve [Line Items]
Proceeds from insurance settlement	4,200
Other Income
Restructuring Cost And Reserve [Line Items]
Proceeds from insurance settlement	$ 1,800

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Restructuring Costs - Schedule of Restructuring Costs, Recorded in Restructuring Expense in Condensed Consolidated Statements of Operations, Incurred (Details) - KFAB Wafer Manufacturing Operations - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2017
Restructuring Cost And Reserve [Line Items]
Restructuring costs relating to KFAB shutdown	$ 1,838	$ 4,069
Early Supply Contract Termination
Restructuring Cost And Reserve [Line Items]
Restructuring costs relating to KFAB shutdown	(246)	1,985
Cost of Equipment Relocation
Restructuring Cost And Reserve [Line Items]
Restructuring costs relating to KFAB shutdown	72	72
Asset Retirement Obligation
Restructuring Cost And Reserve [Line Items]
Restructuring costs relating to KFAB shutdown	234	234
Retention Costs
Restructuring Cost And Reserve [Line Items]
Restructuring costs relating to KFAB shutdown	$ 1,778	$ 1,778

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Restructuring Costs - Schedule of Costs Accrued Related to Restructuring (Details) - KFAB Wafer Manufacturing Operations - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2017
Restructuring Cost And Reserve [Line Items]
Costs accrued	$ 1,838	$ 4,069
Restructuring costs paid		(1,572)
Ending balance, June 30, 2017	2,497	2,497
Early Contract Termination
Restructuring Cost And Reserve [Line Items]
Costs accrued	(246)	1,985
Restructuring costs paid		(1,500)
Ending balance, June 30, 2017	485	485
Retention Costs
Restructuring Cost And Reserve [Line Items]
Costs accrued	1,778	1,778
Ending balance, June 30, 2017	1,778	1,778
Equipment Relocation
Restructuring Cost And Reserve [Line Items]
Costs accrued	72	72
Restructuring costs paid		(72)
Asset Retirement Obligation Amortization
Restructuring Cost And Reserve [Line Items]
Costs accrued		234
Ending balance, June 30, 2017	$ 234	$ 234

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Restructuring Costs - Schedule of Asset Retirement Obligation Related to Restructuring (Details) - KFAB Wafer Manufacturing Operations $ in Thousands	6 Months Ended
	Jun. 30, 2017 USD ($)
Restructuring Cost And Reserve [Line Items]
Asset retirement obligation, beginning of period	$ 486
Accrual of additional asset retirement obligation	1,403
Asset retirement obligation, end of period	$ 1,889