$DIOD
DIODES INC /DEL/ Stock $diod

$diod Overview Financials Valuation SEC Filings Company Website

2011 Q4 Form 10-K Financial Statement

#000119312513080181 Filed on February 27, 2013

Income Statement

Concept	2011 Q4	2011 Q3	2011 Q2
Revenue	$143.3M	$160.6M	$169.8M
YoY Change	-12.49%	-1.56%	13.85%
Cost Of Revenue	$107.8M	$115.4M	$114.2M
YoY Change	6.63%	12.96%	19.34%
Gross Profit	$35.50M	$45.19M	$55.62M
YoY Change	-43.34%	-25.88%	4.02%
Gross Profit Margin	24.77%	28.14%	32.75%
Selling, General & Admin	$22.60M	$23.40M	$22.58M
YoY Change	-2.16%	2.48%	5.38%
% of Gross Profit	63.67%	51.79%	40.59%
Research & Development	$6.900M	$7.304M	$6.533M
YoY Change	11.29%	1.28%	-4.14%
% of Gross Profit	19.44%	16.16%	11.75%
Depreciation & Amortization	$61.40M	$1.100M	$1.200M
YoY Change	338.57%	-91.6%	-90.55%
% of Gross Profit	172.98%	2.43%	2.16%
Operating Expenses	$30.60M	$31.83M	$30.26M
YoY Change	0.66%	2.19%	2.72%
Operating Profit	$4.895M	$13.37M	$25.35M
YoY Change	-84.82%	-55.19%	5.61%
Interest Expense	$400.0K	-$4.100M	-$2.800M
YoY Change	-115.38%	-536.63%	-300.57%
% of Operating Profit	8.17%	-30.67%	-11.04%
Other Income/Expense, Net	-$1.200M	-$2.300M	-$1.913M
YoY Change	-180.0%	-4.76%	-44.11%
Pretax Income	$4.100M	$11.07M	$23.44M
YoY Change	-86.82%	-59.64%	13.87%
Income Tax	$200.0K	$359.0K	$4.718M
% Of Pretax Income	4.88%	3.24%	20.13%
Net Earnings	$3.115M	$9.957M	$17.98M
YoY Change	-87.0%	-52.95%	8.01%
Net Earnings / Revenue	2.17%	6.2%	10.59%
Basic Earnings Per Share	$0.07	$0.22	$0.38
Diluted Earnings Per Share	$0.07	$0.21	$0.37
COMMON SHARES
Basic Shares Outstanding	45.62M shares	45.60M shares	45.33M shares
Diluted Shares Outstanding		47.09M shares	47.15M shares

Balance Sheet

Concept	2011 Q4	2011 Q3	2011 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$129.5M	$124.9M	$290.4M
YoY Change	-52.2%	-52.65%	18.24%
Cash & Equivalents	$129.5M	$124.9M	$290.4M
Short-Term Investments
Other Short-Term Assets	$24.60M	$26.00M	$25.50M
YoY Change	23.0%	33.33%	13.84%
Inventory	$140.3M	$139.1M	$128.7M
Prepaid Expenses	$19.09M	$17.45M	$17.33M
Receivables	$132.4M	$139.4M	$144.2M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$426.8M	$429.3M	$588.8M
YoY Change	-21.07%	-17.42%	20.87%
LONG-TERM ASSETS
Property, Plant & Equipment	$225.4M	$231.9M	$229.8M
YoY Change	12.28%	16.46%	24.72%
Goodwill	$67.82M	$67.77M	$70.21M
YoY Change	-1.64%	0.15%	7.7%
Intangibles	$24.20M	$25.32M	$27.08M
YoY Change	-15.9%	-15.47%	-11.88%
Long-Term Investments
YoY Change
Other Assets	$22.00M	$17.67M	$5.624M
YoY Change	281.86%	202.72%	4.63%
Total Long-Term Assets	$366.3M	$344.4M	$334.2M
YoY Change	19.77%	13.84%	17.05%
TOTAL ASSETS
Total Short-Term Assets	$426.8M	$429.3M	$588.8M
Total Long-Term Assets	$366.3M	$344.4M	$334.2M
Total Assets	$793.1M	$773.7M	$923.1M
YoY Change	-6.32%	-5.92%	19.46%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$66.06M	$82.55M	$82.07M
YoY Change	-5.7%	10.42%	21.2%
Accrued Expenses	$30.79M	$34.69M	$42.20M
YoY Change	-18.18%	-25.13%	2.79%
Deferred Revenue
YoY Change
Short-Term Debt	$8.000M	$0.00	$10.00M
YoY Change			525.0%
Long-Term Debt Due	$0.00	$200.0K	$132.3M
YoY Change	-100.0%	-71.43%	18800.0%
Total Short-Term Liabilities	$109.7M	$118.2M	$273.3M
YoY Change	-56.35%	-5.98%	139.63%
LONG-TERM LIABILITIES
Long-Term Debt	$3.900M	$4.100M	$4.500M
YoY Change	-18.75%	-96.87%	-96.51%
Other Long-Term Liabilities	$30.70M	$34.16M	$31.90M
YoY Change	-18.18%	-23.97%	-28.49%
Total Long-Term Liabilities	$30.70M	$34.16M	$31.90M
YoY Change	-18.18%	-23.97%	-28.49%
TOTAL LIABILITIES
Total Short-Term Liabilities	$109.7M	$118.2M	$273.3M
Total Long-Term Liabilities	$30.70M	$34.16M	$31.90M
Total Liabilities	$144.3M	$156.4M	$309.6M
YoY Change	-50.84%	-49.86%	4.5%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock	$293.9M	$275.1M	$271.3M
YoY Change	12.33%	8.59%	8.58%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$633.8M	$603.3M	$600.2M
YoY Change
Total Liabilities & Shareholders Equity	$793.1M	$773.7M	$923.1M
YoY Change	-6.32%	-5.92%	19.46%

Cashflow Statement

Concept	2011 Q4	2011 Q3	2011 Q2
OPERATING ACTIVITIES
Net Income	$3.115M	$9.957M	$17.98M
YoY Change	-87.0%	-52.95%	8.01%
Depreciation, Depletion And Amortization	$61.40M	$1.100M	$1.200M
YoY Change	338.57%	-91.6%	-90.55%
Cash From Operating Activities	-$3.400M	$17.00M	$32.40M
YoY Change	-112.14%	-60.56%	40.87%
INVESTING ACTIVITIES
Capital Expenditures	-$11.10M	-$24.80M	-$32.60M
YoY Change	-50.67%	-1.59%	32.52%
Acquisitions
YoY Change
Other Investing Activities	-$4.000M	-$13.50M	$700.0K
YoY Change		6650.0%	-99.71%
Cash From Investing Activities	-$15.10M	-$38.30M	-$31.80M
YoY Change	-32.59%	50.2%	-114.9%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	23.00M	-144.0M	10.80M
YoY Change	596.97%	6160.87%	-104.55%
NET CHANGE
Cash From Operating Activities	-3.400M	17.00M	32.40M
Cash From Investing Activities	-15.10M	-38.30M	-31.80M
Cash From Financing Activities	23.00M	-144.0M	10.80M
Net Change In Cash	4.500M	-165.3M	11.40M
YoY Change	-49.44%	-1180.39%	-1240.0%
FREE CASH FLOW
Cash From Operating Activities	-$3.400M	$17.00M	$32.40M
Capital Expenditures	-$11.10M	-$24.80M	-$32.60M
Free Cash Flow	$7.700M	$41.80M	$65.00M
YoY Change	-84.75%	-38.8%	36.55%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012	dei	Document Type DocumentType	10-K
CY2012	dei	Document Period End Date DocumentPeriodEndDate	2012-12-31
CY2012	dei	Amendment Flag AmendmentFlag	false
CY2012	dei	Entity Registrant Name EntityRegistrantName	DIODES INC /DEL/
CY2012	dei	Entity Central Index Key EntityCentralIndexKey	0000029002
CY2012	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2012	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2012	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2012	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2012	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2013Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	46018715000	shares
CY2012Q2	dei	Entity Public Float EntityPublicFloat	706597363	USD
CY2012	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
CY2012	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2012Q4	us-gaap	Foreign Currency Exchange Rate Translation ForeignCurrencyExchangeRateTranslation	0.625
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	129510000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	157121000	USD
CY2012Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	152073000	USD
CY2012Q4	us-gaap	Inventory Net InventoryNet	153293000	USD
CY2012Q4	us-gaap	Assets Current AssetsCurrent	491410000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	243296000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	87359000	USD
CY2012Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	44337000	USD
CY2012Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	16842000	USD
CY2012Q4	us-gaap	Assets Assets	920063000	USD
CY2011Q4	us-gaap	Receivables Net Current ReceivablesNetCurrent	132408000	USD
CY2011Q4	us-gaap	Inventory Net InventoryNet	140337000	USD
CY2011Q4	us-gaap	Assets Current AssetsCurrent	426798000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	225393000	USD
CY2011Q4	us-gaap	Goodwill Goodwill	67818000	USD
CY2011Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	24197000	USD
CY2011Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	21995000	USD
CY2011Q4	us-gaap	Assets Assets	793064000	USD
CY2012Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	18928000	USD
CY2011Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	19093000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	9995000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	5450000	USD
CY2011Q4	diod	Deferred Tax Assets Noncurrent Net DeferredTaxAssetsNoncurrentNet	26863000	USD
CY2012Q4	diod	Deferred Tax Assets Noncurrent Net DeferredTaxAssetsNoncurrentNet	36819000	USD
CY2012Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2011Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2012Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2011Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2012Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2011Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2012Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2011Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2012Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.666
CY2011Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.666
CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	70000000	shares
CY2011Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	70000000	shares
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	46010815	shares
CY2011Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	45432252	shares
CY2012Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	46010815	shares
CY2011Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	45432252	shares
CY2012Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	7629000	USD
CY2011Q4	us-gaap	Short Term Bank Loans And Notes Payable ShortTermBankLoansAndNotesPayable	8000000	USD
CY2012Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	64072000	USD
CY2011Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	66063000	USD
CY2012Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	41139000	USD
CY2011Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	30793000	USD
CY2012Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	678000	USD
CY2011Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	4855000	USD
CY2012Q4	us-gaap	Liabilities Current LiabilitiesCurrent	113518000	USD
CY2011Q4	us-gaap	Liabilities Current LiabilitiesCurrent	109711000	USD
CY2011Q4	us-gaap	Long Term Loans From Bank LongTermLoansFromBank	2857000	USD
CY2012Q4	us-gaap	Long Term Loans From Bank LongTermLoansFromBank	44131000	USD
CY2011Q4	us-gaap	Capital Lease Obligations Noncurrent CapitalLeaseObligationsNoncurrent	1082000	USD
CY2012Q4	us-gaap	Capital Lease Obligations Noncurrent CapitalLeaseObligationsNoncurrent	789000	USD
CY2011Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	30699000	USD
CY2012Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	41185000	USD
CY2011Q4	us-gaap	Liabilities Liabilities	144349000	USD
CY2012Q4	us-gaap	Liabilities Liabilities	199623000	USD
CY2011Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2012Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2011Q4	us-gaap	Common Stock Value CommonStockValue	30423000	USD
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	30674000	USD
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CY2012Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	280571000	USD
CY2011Q4	us-gaap	Retained Earnings Appropriated RetainedEarningsAppropriated	375644000	USD
CY2012Q4	us-gaap	Retained Earnings Appropriated RetainedEarningsAppropriated	399796000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-35762000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-33856000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	633760000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	677185000	USD
CY2011Q4	us-gaap	Minority Interest MinorityInterest	14955000	USD
CY2012Q4	us-gaap	Minority Interest MinorityInterest	43255000	USD
CY2011Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	648715000	USD
CY2012Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	720440000	USD
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	793064000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	920063000	USD
CY2012	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	472220000	USD
CY2012	us-gaap	Gross Profit GrossProfit	161586000	USD
CY2012	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	101363000	USD
CY2012	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	33761000	USD
CY2012	us-gaap	Operating Expenses OperatingExpenses	136690000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	24896000	USD
CY2012	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	778000	USD
CY2012	us-gaap	Interest Expense InterestExpense	876000	USD
CY2012	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	USD
CY2012	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1091000	USD
CY2012	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	5911000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	30807000	USD
CY2012	us-gaap	Profit Loss ProfitLoss	25982000	USD
CY2012	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1830000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	24152000	USD
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	45780000	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	46899000	shares
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.53
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.51
CY2010	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	45546000	shares
CY2010	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	44146000	shares
CY2010	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.68
CY2010	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.74
CY2010	us-gaap	Net Income Loss NetIncomeLoss	76733000	USD
CY2010	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	3531000	USD
CY2010	us-gaap	Profit Loss ProfitLoss	80264000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	98103000	USD
CY2010	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-6829000	USD
CY2010	us-gaap	Other Noninterest Expense OtherNoninterestExpense	-3214000	USD
CY2010	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	7656000	USD
CY2010	us-gaap	Interest Expense InterestExpense	5229000	USD
CY2010	us-gaap	Interest And Dividend Income Securities Other InterestAndDividendIncomeSecuritiesOther	2842000	USD
CY2010	us-gaap	Operating Income Loss OperatingIncomeLoss	104932000	USD
CY2010	us-gaap	Operating Expenses OperatingExpenses	119937000	USD
CY2010	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	26584000	USD
CY2010	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	88784000	USD
CY2010	us-gaap	Gross Profit GrossProfit	224869000	USD
CY2010	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	388017000	USD
CY2011	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	441554000	USD
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CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	71989000	USD
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CY2011	us-gaap	Interest Expense InterestExpense	3139000	USD
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CY2011	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-8325000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	63664000	USD
CY2011	us-gaap	Profit Loss ProfitLoss	53507000	USD
CY2011	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2770000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	50737000	USD
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.12
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.09
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	45202000	shares
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CY2012	us-gaap	Sales Revenue Net SalesRevenueNet	633806000	USD
CY2011	us-gaap	Sales Revenue Net SalesRevenueNet	635251000	USD
CY2010	us-gaap	Sales Revenue Net SalesRevenueNet	612886000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4825000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10157000	USD
CY2010	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17839000	USD
CY2011	us-gaap	Amortization Of Acquisition Costs AmortizationOfAcquisitionCosts	4503000	USD
CY2010	us-gaap	Amortization Of Acquisition Costs AmortizationOfAcquisitionCosts	6406000	USD
CY2012	us-gaap	Amortization Of Acquisition Costs AmortizationOfAcquisitionCosts	5122000	USD
CY2010	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	1837000	USD
CY2011	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	USD
CY2012	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	3556000	USD
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CY2010	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	79964000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	60055000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	26058000	USD
CY2009Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	450924000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	62825000	USD
CY2011	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	737000	USD
CY2011	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	3534000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	13703000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	27888000	USD
CY2012	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1325000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	14398000	USD
CY2010	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	83495000	USD
CY2010	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	4779000	USD
CY2010	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt	-57000	USD
CY2010	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	13051000	USD
CY2010Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	552892000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	1644000	USD
CY2010	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	-2373000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	15024000	USD
CY2012	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	26470000	USD
CY2010	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	-1519000	USD
CY2010	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease	4750000	USD
CY2011	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	-690000	USD
CY2011	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease	10008000	USD
CY2012	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease	7317000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease	-5411000	USD
CY2010	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	3073000	USD
CY2012	us-gaap	Depreciation Depreciation	59063000	USD
CY2011	us-gaap	Depreciation Depreciation	56927000	USD
CY2010	us-gaap	Depreciation Depreciation	47365000	USD
CY2012	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5130000	USD
CY2011	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4511000	USD
CY2010	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4431000	USD
CY2012	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	0	USD
CY2011	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	412000	USD
CY2010	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	549000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	14398000	USD
CY2011	us-gaap	Share Based Compensation ShareBasedCompensation	13703000	USD
CY2010	us-gaap	Share Based Compensation ShareBasedCompensation	13051000	USD
CY2012	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	3554000	USD
CY2011	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-31000	USD
CY2010	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	1665000	USD
CY2012	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	13051000	USD
CY2011	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	21916000	USD
CY2010	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	4040000	USD
CY2012	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	6360000	USD
CY2011	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4406000	USD
CY2010	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	23604000	USD
CY2012	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	5492000	USD
CY2011	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	20187000	USD
CY2010	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	30388000	USD
CY2012	diod	Prepaid Expenses And Other Current Assets PrepaidExpensesAndOtherCurrentAssets	-3162000	USD
CY2010	diod	Prepaid Expenses And Other Current Assets PrepaidExpensesAndOtherCurrentAssets	2290000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-7440000	USD
CY2011	diod	Prepaid Expenses And Other Current Assets PrepaidExpensesAndOtherCurrentAssets	7483000	USD
CY2010	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	8022000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-4179000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	3069000	USD
CY2012	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	3378000	USD
CY2011	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	3829000	USD
CY2010	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	12714000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	64221000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	61650000	USD
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	118005000	USD
CY2012	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	3413000	USD
CY2011	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	14117000	USD
CY2010	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	0	USD
CY2012	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	0	USD
CY2011	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	0	USD
CY2011	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-3584000	USD
CY2010	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	7032000	USD
CY2012	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	2257000	USD
CY2011	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-8513000	USD
CY2010	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	296600000	USD
CY2012	us-gaap	Payments To Acquire Machinery And Equipment PaymentsToAcquireMachineryAndEquipment	58166000	USD
CY2011	us-gaap	Payments To Acquire Machinery And Equipment PaymentsToAcquireMachineryAndEquipment	80941000	USD
CY2010	us-gaap	Payments To Acquire Machinery And Equipment PaymentsToAcquireMachineryAndEquipment	88809000	USD
CY2012	us-gaap	Proceeds From Sale Of Machinery And Equipment ProceedsFromSaleOfMachineryAndEquipment	1969000	USD
CY2011	us-gaap	Proceeds From Sale Of Machinery And Equipment ProceedsFromSaleOfMachineryAndEquipment	40000	USD
CY2010	us-gaap	Proceeds From Sale Of Machinery And Equipment ProceedsFromSaleOfMachineryAndEquipment	2163000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-77419000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-98312000	USD
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	209569000	USD
CY2012	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	3659000	USD
CY2011	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	8000000	USD
CY2010	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	3762000	USD
CY2012	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	9556000	USD
CY2011	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	USD
CY2010	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	303192000	USD
CY2012	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1318000	USD
CY2011	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	3526000	USD
CY2010	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	4818000	USD
CY2012	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	0	USD
CY2011	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	0	USD
CY2010	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	2373000	USD
CY2012	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	30445000	USD
CY2011	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	134706000	USD
CY2010	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	1165000	USD
CY2012	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	295000	USD
CY2011	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	285000	USD
CY2010	us-gaap	Repayments Of Long Term Capital Lease Obligations RepaymentsOfLongTermCapitalLeaseObligations	268000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	38542000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-107713000	USD
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-295349000	USD
CY2012	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	2267000	USD
CY2011	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	2984000	USD
CY2010	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-3277000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	27611000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-141391000	USD
CY2010	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	28948000	USD
CY2009Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	241953000	USD
CY2010Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	270901000	USD
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	1639000	USD
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	15024000	USD
CY2010	us-gaap	Excess Tax Benefit From Share Based Compensation Operating Activities ExcessTaxBenefitFromShareBasedCompensationOperatingActivities	3073000	USD
CY2012	us-gaap	Payments For Other Operating Activities PaymentsForOtherOperatingActivities	334000	USD
CY2011	us-gaap	Payments For Other Operating Activities PaymentsForOtherOperatingActivities	297000	USD
CY2010	us-gaap	Payments For Other Operating Activities PaymentsForOtherOperatingActivities	464000	USD
CY2012	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-117000	USD
CY2011	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	3294000	USD
CY2010	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	385000	USD
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	1639000	USD
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	15024000	USD
CY2010	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	3073000	USD
CY2012	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	502000	USD
CY2011	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	728000	USD
CY2010	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-4000	USD
CY2010	us-gaap	Proceeds From Sale Of Intangible Assets ProceedsFromSaleOfIntangibleAssets	0	USD
CY2011	us-gaap	Proceeds From Sale Of Intangible Assets ProceedsFromSaleOfIntangibleAssets	0	USD
CY2012	us-gaap	Proceeds From Sale Of Intangible Assets ProceedsFromSaleOfIntangibleAssets	2122000	USD
CY2012	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	71720000	USD
CY2011	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	0	USD
CY2010	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	0	USD
CY2010	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	2445000	USD
CY2012	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	20048000	USD
CY2011	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2010	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2012	us-gaap	Interest Paid InterestPaid	914000	USD
CY2012	us-gaap	Income Taxes Paid IncomeTaxesPaid	17086000	USD
CY2012	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	-1957000	USD
CY2011	us-gaap	Interest Paid InterestPaid	3322000	USD
CY2011	us-gaap	Income Taxes Paid IncomeTaxesPaid	12118000	USD
CY2011	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	-1934000	USD
CY2010	us-gaap	Interest Paid InterestPaid	4638000	USD
CY2010	us-gaap	Income Taxes Paid IncomeTaxesPaid	9617000	USD
CY2010	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	2229000	USD
CY2012	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	76438000	USD
CY2011	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	0	USD
CY2010	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	0	USD
CY2010	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	0	USD
CY2011	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	0	USD
CY2012	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	-13924000	USD
CY2012	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	6108000	USD
CY2011	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2010	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2010Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Net BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet	0	USD
CY2011Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Net BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet	0	USD
CY2012Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Net BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet	68622000	USD
CY2012	us-gaap	Nature Of Operations NatureOfOperations	<p style='margin-top:11.25pt; margin-bottom:11.25pt'><font style="font-family:Times New Roman;font-size:10pt;font-weight:bold;margin-left:0px;">Nature of operations </font><font style="font-family:Times New Roman;font-size:10pt;font-weight:bold;">–</font><font style="font-family:Times New Roman;font-size:10pt;"> </font><font style="font-family:Times New Roman;font-size:10pt;">Diodes Incorporated and its subsidiaries </font><font style="font-family:Times New Roman;font-size:10pt;">(collectively, the “Company”) is a </font><font style="font-family:Times New Roman;font-size:10pt;">leading global manufacturer and supplier of high-quality, application specific standard products within the broad discrete, logic and analog semiconductor markets, serving the consumer electronics, computing, communications, industrial and automotive markets. These products include diodes, rectifiers, transistors, MOSFETs, protection devices, functional specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices including LED drivers, DC-DC switching and linear voltage regulators and voltage references along with special function devices including USB power switches, load switches, voltage supervisors and motor controllers. The products are sold primarily throughout Asia, North America and Europe.</font></p>
CY2012	us-gaap	Sales Returns And Allowances Goods SalesReturnsAndAllowancesGoods	48000000	USD
CY2011	us-gaap	Sales Returns And Allowances Goods SalesReturnsAndAllowancesGoods	41000000	USD
CY2010	us-gaap	Sales Returns And Allowances Goods SalesReturnsAndAllowancesGoods	32000000	USD
CY2012Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2000000	USD
CY2011Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2000000	USD
CY2010Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1000000	USD
CY2012	us-gaap	Finite Lived Intangible Assets Weighted Average Useful Life FiniteLivedIntangibleAssetsWeightedAverageUsefulLife	8
CY2012	us-gaap	Shipping Handling And Transportation Costs ShippingHandlingAndTransportationCosts	7000000	USD
CY2011	us-gaap	Shipping Handling And Transportation Costs ShippingHandlingAndTransportationCosts	6000000	USD
CY2010	us-gaap	Shipping Handling And Transportation Costs ShippingHandlingAndTransportationCosts	5000000	USD
CY2012	us-gaap	Use Of Estimates UseOfEstimates	<p style='margin-top:0pt; margin-bottom:0pt'><font style="font-family:Times New Roman;font-size:10pt;font-weight:bold;margin-left:0px;">Use of estimates</font><font style="font-family:Times New Roman;font-size:10pt;"> </font><font style="font-family:Times New Roman;font-size:10pt;font-weight:bold;">–</font><font style="font-family:Times New Roman;font-size:10pt;"> The preparation of financial statements in conformity with GAAP requires that management make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. The level of uncertainty in estimates and assumptions increases with the length of time until the underlying transactions are completed. Actual results may differ from these estimates in amounts that may be material to the consolidated financial statements and accompanying notes.</font></p>
CY2010	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1400000	shares
CY2012	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1119000	shares
CY2011	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1511000	shares
CY2012	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2	shares
CY2011	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2	shares
CY2010	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2	shares
CY2012	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	2000000	USD
CY2011	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	1000000	USD
CY2010	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	0	USD
CY2010Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-4000000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-22663000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-11254000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-29919000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-5843000	USD
CY2012	us-gaap	Description Of New Accounting Pronouncements Not Yet Adopted DescriptionOfNewAccountingPronouncementsNotYetAdopted	<p style='margin-top:4.5pt; margin-bottom:0pt'><font style="font-family:Times New Roman;font-size:10pt;font-weight:bold;margin-left:36px;">Recently issued accounting pronouncements</font><font style="font-family:Times New Roman;font-size:10pt;"> – </font><font style="font-family:Times New Roman;font-size:10pt;">In July 2012, the FASB issued ASU No. </font><font style="font-family:Times New Roman;font-size:10pt;">2012-02</font><font style="font-family:Times New Roman;font-size:10pt;">, </font><font style="font-family:Times New Roman;font-size:10pt;font-style:italic;">Intangibles-Goodwill and Other</font><font style="font-family:Times New Roman;font-size:10pt;">. ASU </font><font style="font-family:Times New Roman;font-size:10pt;">No. </font><font style="font-family:Times New Roman;font-size:10pt;">2012-02</font><font style="font-family:Times New Roman;font-size:10pt;"> will allow the Company the option to first assess qualitative factors to determine whether the existence of events and circumstances indicates that it is more likely than not that an indefinite-lived intangible asset is impaired. Determining that it is more likely than not that an indefinite-lived intangible asset is impaired will require quantitative impairment testing, otherwise, no further action will be required. This ASU is effective for annual and interim impairment tests performed for fiscal years beginning after September 18, 2012, with early adoption permitted. The adoption is not expected to have an impact on the Company's consolidated financial statements.</font></p>
CY2012	us-gaap	Reclassifications Reclassifications	<p style='margin-top:0pt; margin-bottom:0pt'><font style="font-family:Times New Roman;font-size:10pt;font-weight:bold;margin-left:36px;">Reclassifications</font><font style="font-family:Times New Roman;font-size:10pt;"> – Certain amounts from prior periods have been reclassified to conform to the current years' presentation</font><font style="font-family:Times New Roman;font-size:10pt;"> such as certain statement of income line items.</font></p>
CY2012Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	59319000	USD
CY2012Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	30564000	USD
CY2012Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	63410000	USD
CY2011Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	52027000	USD
CY2011Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	22937000	USD
CY2011Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	65373000	USD
CY2011Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	46654000	USD
CY2011Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	410559000	USD
CY2011Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	457213000	USD
CY2011Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	266228000	USD
CY2011Q4	diod	Property Plant And Equipment Net Excluding Cip And Land PropertyPlantAndEquipmentNetExcludingCipAndLand	190985000	USD
CY2011Q4	us-gaap	Land Land	14940000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	518174000	USD
CY2012Q4	us-gaap	Land Land	16298000	USD
CY2012Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	465106000	USD
CY2012Q4	diod	Property Plant And Equipment Net Excluding Cip And Land PropertyPlantAndEquipmentNetExcludingCipAndLand	195771000	USD
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	322403000	USD
CY2012Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	53068000	USD
CY2012Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	31227000	USD
CY2011Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	19468000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	21711000	USD
CY2011Q4	diod	Finite Lived Intangible Assets Currency Translation FiniteLivedIntangibleAssetsCurrencyTranslation	7760000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	19193000	USD
CY2011Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	48664000	USD
CY2012Q4	diod	Finite Lived Intangible Assets Currency Translation FiniteLivedIntangibleAssetsCurrencyTranslation	7051000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	24161000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	38495000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	69707000	USD
CY2012Q4	diod	Indefinite Lived Intangible Assets Gross IndefiniteLivedIntangibleAssetsGross	6403000	USD
CY2012Q4	diod	Indefinite Lived Intangible Assets Net IndefiniteLivedIntangibleAssetsNet	5842000	USD
CY2012Q4	diod	Indefinite Lived Intangible Assets Currency Translation IndefiniteLivedIntangibleAssetsCurrencyTranslation	561000	USD
CY2012Q4	diod	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	76110000	USD
CY2012Q4	diod	Intangible Assets Accumulated Amortization IntangibleAssetsAccumulatedAmortization	24161000	USD
CY2012Q4	diod	Intangible Assets Currency Translation IntangibleAssetsCurrencyTranslation	7612000	USD
CY2011Q4	diod	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	51826000	USD
CY2011Q4	diod	Intangible Assets Accumulated Amortization IntangibleAssetsAccumulatedAmortization	19193000	USD
CY2011Q4	diod	Intangible Assets Currency Translation IntangibleAssetsCurrencyTranslation	8436000	USD
CY2011Q4	diod	Indefinite Lived Intangible Assets Gross IndefiniteLivedIntangibleAssetsGross	3162000	USD
CY2011Q4	diod	Indefinite Lived Intangible Assets Currency Translation IndefiniteLivedIntangibleAssetsCurrencyTranslation	676000	USD
CY2011Q4	diod	Indefinite Lived Intangible Assets Net IndefiniteLivedIntangibleAssetsNet	2486000	USD
CY2012	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	5000000	USD
CY2010	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	4000000	USD
CY2011	us-gaap	Finite Lived Intangible Assets Amortization Expense FiniteLivedIntangibleAssetsAmortizationExpense	5000000	USD
CY2012	us-gaap	Future Amortization Expense Year One FutureAmortizationExpenseYearOne	5647000	USD
CY2012	us-gaap	Future Amortization Expense Year Two FutureAmortizationExpenseYearTwo	5247000	USD
CY2012	us-gaap	Future Amortization Expense Year Three FutureAmortizationExpenseYearThree	4726000	USD
CY2012	us-gaap	Future Amortization Expense Year Four FutureAmortizationExpenseYearFour	4310000	USD
CY2012	us-gaap	Future Amortization Expense Year Five FutureAmortizationExpenseYearFive	4281000	USD
CY2010Q4	us-gaap	Goodwill Goodwill	68949000	USD
CY2011	us-gaap	Goodwill Other Changes GoodwillOtherChanges	-1131000	USD
CY2012	us-gaap	Goodwill Other Changes GoodwillOtherChanges	2628000	USD
CY2012	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	16913000	USD
CY2012	us-gaap	Line Of Credit Facility Initiation Date LineOfCreditFacilityInitiationDate	November 25, 2009
CY2012	us-gaap	Line Of Credit Facility Covenant Terms LineOfCreditFacilityCovenantTerms	In addition, the Credit Agreement contains certain restrictive and financial covenants, including, but not limited to, the following: (a) the Company shall maintain on a consolidated basis a Fixed Charge Coverage Ratio of not less than 2.00 to 1.0 and a Quick Ratio of not less than 1.50 to 1.0 (excluding the Company’s Notes for both ratios); (b) the Company and its subsidiaries shall not create, incur, assume or suffer to exist any lien upon any of its property, assets or revenues except as specified in the Credit Agreement; (c) the Company and its subsidiaries shall not make any investments except as specified in the Credit Agreement; (d) the Company and its subsidiaries shall not create, incur, assume or suffer to exist any indebtedness except as specified in the Credit Agreement; (e) the Company and its subsidiaries shall not dissolve or merge or consolidate with or into another entity except as specified in the Credit Agreement; (f) the Company and its subsidiaries shall not make any disposition except as specified in the Credit Agreement; (g) the Company and its subsidiaries shall not make any restricted payment, or issue or sell any equity interests, except as specified in the Credit Agreement; (h) the Company and its subsidiaries shall not engage in any material line of business substantially different from those lines of business that are currently conducted by the Company and its subsidiaries; (i) the Company and its subsidiaries shall not enter into any transaction of any kind with any affiliate of the Company except as specified in the Credit Agreement; (j) the Company and its subsidiaries shall not enter into certain burdensome contractual obligations except as specified in the Credit Agreement; (k) the Company and its subsidiaries shall not use the proceeds of any credit extension to purchase or carry margin stock or to extend credit to others for the purpose of purchasing or carrying margin stock or to refund indebtedness originally incurred for such purpose; (l) Interest Coverage Ratio (as defined) will be at least 3.0 to 1.0 on a consolidated basis; and (m) Funded Debt to EBITDA Ratio (as defined) will not exceed 2.50 to 1.0 on a consolidated basis.
CY2012	us-gaap	Line Of Credit Facility Covenant Compliance LineOfCreditFacilityCovenantCompliance	As of December 31, 2012, the Company was in compliance with these covenants.
CY2012Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	93000000	USD
CY2012Q4	diod	Line Of Credit Facility Credit Used For Guarantee LineOfCreditFacilityCreditUsedForGuarantee	1000000	USD
CY2012	us-gaap	Line Of Credit Facility Expiration Date LineOfCreditFacilityExpirationDate	January 17, 2013
CY2012Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	101581000	USD
CY2012Q4	us-gaap	Line Of Credit Facility Amount Outstanding LineOfCreditFacilityAmountOutstanding	7629000	USD
CY2011Q4	us-gaap	Line Of Credit Facility Amount Outstanding LineOfCreditFacilityAmountOutstanding	8000000	USD
CY2011Q4	us-gaap	Debt Current DebtCurrent	-408000	USD
CY2012Q4	us-gaap	Debt Current DebtCurrent	-1063000	USD
CY2012Q4	us-gaap	Long Term Debt LongTermDebt	45194000	USD
CY2011Q4	us-gaap	Long Term Debt LongTermDebt	3265000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	1063000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	947000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	954000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	40374000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	363000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	1493000	USD
CY2006Q4	diod	Debt Instrument Convertible Initial Principal Amount DebtInstrumentConvertibleInitialPrincipalAmount	230000000	USD
CY2006Q4	diod	Debt Instrument Convertible Maturity Date DebtInstrumentConvertibleMaturityDate	2026
CY2011	us-gaap	Debt Instrument Convertible Interest Expense DebtInstrumentConvertibleInterestExpense	2267000	USD
CY2011	diod	Amortization Of Debt Issuance Cost AmortizationOfDebtIssuanceCost	412000	USD
CY2011	diod	Debt Instrument Convertible Interest Expense Net DebtInstrumentConvertibleInterestExpenseNet	8711000	USD
CY2010	us-gaap	Debt Instrument Convertible Interest Expense DebtInstrumentConvertibleInterestExpense	3077000	USD
CY2010	diod	Amortization Of Debt Issuance Cost AmortizationOfDebtIssuanceCost	549000	USD
CY2010	diod	Debt Instrument Convertible Interest Expense Net DebtInstrumentConvertibleInterestExpenseNet	11282000	USD
CY2012Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	346000	USD
CY2012Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	346000	USD
CY2012Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	279000	USD
CY2012Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	185000	USD
CY2012Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	19000	USD
CY2012Q4	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	1175000	USD
CY2012Q4	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	76000	USD
CY2012Q4	us-gaap	Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	1099000	USD
CY2012Q4	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	-310000	USD
CY2012Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	3000000	USD
CY2012Q4	us-gaap	Capital Leases Lessee Balance Sheet Assets By Major Class Accumulated Deprecation CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation	2000000	USD
CY2012Q4	diod	Compensation And Payroll Taxes Current CompensationAndPayrollTaxesCurrent	12837000	USD
CY2012Q4	diod	Accrued Expenses Current AccruedExpensesCurrent	12338000	USD
CY2012Q4	diod	Accrued Pricing Adjustments Current AccruedPricingAdjustmentsCurrent	1304000	USD
CY2012Q4	diod	Equipment Purchases Current EquipmentPurchasesCurrent	7081000	USD
CY2012Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	2512000	USD
CY2012Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	5067000	USD
CY2011Q4	diod	Compensation And Payroll Taxes Current CompensationAndPayrollTaxesCurrent	10120000	USD
CY2011Q4	diod	Equipment Purchases Current EquipmentPurchasesCurrent	5412000	USD
CY2012	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	142000	USD
CY2012	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	10756000	USD
CY2011Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	1423000	USD
CY2011Q4	diod	Accrued Expenses Current AccruedExpensesCurrent	6544000	USD
CY2011Q4	diod	Accrued Pricing Adjustments Current AccruedPricingAdjustmentsCurrent	1130000	USD
CY2011Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	6164000	USD
CY2011	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	214000	USD
CY2011	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	18324000	USD
CY2012Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	17853000	USD
CY2011Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	13493000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	14591000	USD
CY2011Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	10177000	USD
CY2012Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	2213000	USD
CY2011Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	1932000	USD
CY2012Q4	diod	Other Liability Noncurrent OtherLiabilityNoncurrent	6528000	USD
CY2011Q4	diod	Other Liability Noncurrent OtherLiabilityNoncurrent	5097000	USD
CY2012Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	41185000	USD
CY2011Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	30699000	USD
CY2012	us-gaap	Other Restrictions On Payment Of Dividends OtherRestrictionsOnPaymentOfDividends	The Company’s credit agreement, dated January 8, 2013, with Bank of America N.A. and other lenders parties permits the Company to pay dividends up to $1.5 million per fiscal year to its stockholders so long as it has not defaulted and is in continuing operation at the time of such dividend.
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-24411000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	55218000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-28238000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	91902000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	130363000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-32260000	USD
CY2012	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-8784000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	12322000	USD
CY2011	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-22537000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	107000	USD
CY2011	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	32587000	USD
CY2011	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-20906000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1424000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-11714000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	4217000	USD
CY2011	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	14049000	USD
CY2010	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-6836000	USD
CY2010	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	1109000	USD
CY2010	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	25000	USD
CY2010	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	330000	USD
CY2010	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	243000	USD
CY2010	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	23566000	USD
CY2010	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	23211000	USD
CY2012	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-3247000	USD
CY2011	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-1165000	USD
CY2010	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-7079000	USD
CY2010	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	USD
CY2011	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-466000	USD
CY2012	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	317000	USD
CY2010	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	34336000	USD
CY2010	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	293000	USD
CY2010	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-5050000	USD
CY2010	diod	Income Tax Reconciliation Subpart F Income And Foreign Dividends IncomeTaxReconciliationSubpartFIncomeAndForeignDividends	1786000	USD
CY2010	diod	Income Tax Reconciliation Foreign Tax Credit Valuation Allowance IncomeTaxReconciliationForeignTaxCreditValuationAllowance	6503000	USD
CY2010	diod	Income Tax Reconciliation Provision To Return Adjustments IncomeTaxReconciliationProvisionToReturnAdjustments	-2345000	USD
CY2010	diod	Income Tax Reconciliation Net Operating Loss Valuation Allowance IncomeTaxReconciliationNetOperatingLossValuationAllowance	5820000	USD
CY2010	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	33000	USD
CY2011	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-366000	USD
CY2011	diod	Income Tax Reconciliation Foreign Tax Credit Valuation Allowance IncomeTaxReconciliationForeignTaxCreditValuationAllowance	5843000	USD
CY2011	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	22282000	USD
CY2011	diod	Income Tax Reconciliation Net Operating Loss Valuation Allowance IncomeTaxReconciliationNetOperatingLossValuationAllowance	0	USD
CY2011	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-6356000	USD
CY2011	diod	Income Tax Reconciliation Provision To Return Adjustments IncomeTaxReconciliationProvisionToReturnAdjustments	-167000	USD
CY2011	diod	Income Tax Reconciliation Subpart F Income And Foreign Dividends IncomeTaxReconciliationSubpartFIncomeAndForeignDividends	1115000	USD
CY2011	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-615000	USD
CY2012	diod	Income Tax Reconciliation Provision To Return Adjustments IncomeTaxReconciliationProvisionToReturnAdjustments	-102000	USD
CY2012	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-15515000	USD
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	10783000	USD
CY2012	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	213000	USD
CY2012	diod	Income Tax Reconciliation Subpart F Income And Foreign Dividends IncomeTaxReconciliationSubpartFIncomeAndForeignDividends	496000	USD
CY2012	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1077000	USD
CY2012	diod	Income Tax Reconciliation Net Operating Loss Valuation Allowance IncomeTaxReconciliationNetOperatingLossValuationAllowance	-521000	USD
CY2012	diod	Income Tax Reconciliation Foreign Tax Credit Valuation Allowance IncomeTaxReconciliationForeignTaxCreditValuationAllowance	-3135000	USD
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2012	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.007	pure
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.504	pure
CY2012	diod	Effective Income Tax Rate Reconciliation Subpart F Income And Foreign Dividends EffectiveIncomeTaxRateReconciliationSubpartFIncomeAndForeignDividends	0.016	pure
CY2012	diod	Effective Income Tax Rate Reconciliation Foreign Tax Credit Valuation Allowance EffectiveIncomeTaxRateReconciliationForeignTaxCreditValuationAllowance	0.102	pure
CY2012	diod	Effective Income Tax Rate Reconciliation Unrecognized Tax Benefits EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefits	0.137	pure
CY2012	diod	Effective Income Tax Rate Reconciliation Provision To Return Adjustments EffectiveIncomeTaxRateReconciliationProvisionToReturnAdjustments	-0.003	pure
CY2012	diod	Effective Income Tax Rate Reconciliation Net Operating Loss Valuation Allowance EffectiveIncomeTaxRateReconciliationNetOperatingLossValuationAllowance	0.017	pure
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.035	pure
CY2012	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.157	pure
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.1	pure
CY2011	diod	Effective Income Tax Rate Reconciliation Foreign Tax Credit Valuation Allowance EffectiveIncomeTaxRateReconciliationForeignTaxCreditValuationAllowance	-0.092	pure
CY2011	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.01	pure
CY2011	diod	Effective Income Tax Rate Reconciliation Subpart F Income And Foreign Dividends EffectiveIncomeTaxRateReconciliationSubpartFIncomeAndForeignDividends	0.018	pure
CY2011	diod	Effective Income Tax Rate Reconciliation Unrecognized Tax Benefits EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefits	0.002	pure
CY2011	diod	Effective Income Tax Rate Reconciliation Net Operating Loss Valuation Allowance EffectiveIncomeTaxRateReconciliationNetOperatingLossValuationAllowance	0	pure
CY2011	diod	Effective Income Tax Rate Reconciliation Provision To Return Adjustments EffectiveIncomeTaxRateReconciliationProvisionToReturnAdjustments	-0.003	pure
CY2011	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.159	pure
CY2011	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.006	pure
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.052	pure
CY2010	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.182	pure
CY2010	diod	Effective Income Tax Rate Reconciliation Unrecognized Tax Benefits EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefits	0.011	pure
CY2010	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2010	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.003	pure
CY2010	diod	Effective Income Tax Rate Reconciliation Subpart F Income And Foreign Dividends EffectiveIncomeTaxRateReconciliationSubpartFIncomeAndForeignDividends	0.018	pure
CY2010	diod	Effective Income Tax Rate Reconciliation Provision To Return Adjustments EffectiveIncomeTaxRateReconciliationProvisionToReturnAdjustments	-0.024	pure
CY2010	diod	Effective Income Tax Rate Reconciliation Foreign Tax Credit Valuation Allowance EffectiveIncomeTaxRateReconciliationForeignTaxCreditValuationAllowance	-0.066	pure
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001	pure
CY2010	diod	Effective Income Tax Rate Reconciliation Net Operating Loss Valuation Allowance EffectiveIncomeTaxRateReconciliationNetOperatingLossValuationAllowance	-0.059	pure
CY2010Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	9173000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2233000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	-1229000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1593000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	-1124000	USD
CY2012	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	3945000	USD
CY2011	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2012Q4	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	36819000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	2964000	USD
CY2012Q4	us-gaap	Deferred Taxes Business Combination Valuation Allowance Available To Reduce Goodwill And Intangible Assets DeferredTaxesBusinessCombinationValuationAllowanceAvailableToReduceGoodwillAndIntangibleAssets	2964000	USD
CY2012	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Estimated Range Not Possible SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeNotPossible	These changes may be the result of settlements of ongoing audits or competent authority proceedings. At this time, an estimate of the range of the reasonably possible outcomes cannot be made.
CY2012	us-gaap	Significant Change In Unrecognized Tax Benefits Nature Of Uncertainty SignificantChangeInUnrecognizedTaxBenefitsNatureOfUncertainty	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.
CY2012	us-gaap	Income Tax Examination Description IncomeTaxExaminationDescription	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. With respect to state and local jurisdictions and countries outside of the U.S., with limited exceptions, the Company is no longer subject to income tax audits for years before 2009. 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 future tax audits. The Company recognizes accrued interest and penalties, if any, related to unrecognized tax benefits in income tax expense. The Company had an insignificant amount of accrued interest and penalties at December 31, 2012, 2011 and 2010.
CY2012Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	6158000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	2158000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	2047000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	1754000	USD
CY2012Q4	diod	Current Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost CurrentDeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	1790000	USD
CY2011Q4	diod	Current Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost CurrentDeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	1538000	USD
CY2012Q4	diod	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	-3775000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	22391000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	4331000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration	13977000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	10089000	USD
CY2012Q4	diod	Non Current Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost NonCurrentDeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	21646000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Gross Noncurrent DeferredTaxAssetsGrossNoncurrent	68659000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Valuation Allowance Noncurrent DeferredTaxAssetsValuationAllowanceNoncurrent	28876000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	39783000	USD
CY2011Q4	diod	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	-1818000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Valuation Allowance Noncurrent DeferredTaxAssetsValuationAllowanceNoncurrent	28099000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	30830000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Gross Noncurrent DeferredTaxAssetsGrossNoncurrent	58929000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	4098000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration	1600000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	11750000	USD
CY2011Q4	diod	Non Current Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost NonCurrentDeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	23945000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	19354000	USD
CY2011Q4	us-gaap	Deferred Taxes Business Combination Valuation Allowance Available To Reduce Goodwill And Intangible Assets DeferredTaxesBusinessCombinationValuationAllowanceAvailableToReduceGoodwillAndIntangibleAssets	3967000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	3967000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	26863000	USD
CY2012	us-gaap	Income Tax Holiday Aggregate Dollar Amount IncomeTaxHolidayAggregateDollarAmount	6000000	USD
CY2011	us-gaap	Income Tax Holiday Aggregate Dollar Amount IncomeTaxHolidayAggregateDollarAmount	7000000	USD
CY2010	us-gaap	Income Tax Holiday Aggregate Dollar Amount IncomeTaxHolidayAggregateDollarAmount	8000000	USD
CY2012	us-gaap	Tax Benefit From Stock Options Exercised TaxBenefitFromStockOptionsExercised	2000000	USD
CY2012Q4	us-gaap	Tax Credit Carryforward Valuation Allowance TaxCreditCarryforwardValuationAllowance	4000000	USD
CY2011Q4	us-gaap	Tax Credit Carryforward Valuation Allowance TaxCreditCarryforwardValuationAllowance	1000000	USD
CY2010Q4	us-gaap	Tax Credit Carryforward Valuation Allowance TaxCreditCarryforwardValuationAllowance	2000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	311000000	USD
CY2012Q4	us-gaap	Statutory Accounting Practices Retained Earnings Not Available For Dividends StatutoryAccountingPracticesRetainedEarningsNotAvailableForDividends	38000000	USD
CY2012Q4	diod	Additional Tax On Undistributed Foreign Earnings AdditionalTaxOnUndistributedForeignEarnings	58000000	USD
CY2012	diod	Income Tax Holiday Income Tax Benefits Per Share Basic IncomeTaxHolidayIncomeTaxBenefitsPerShareBasic	0.14
CY2011	diod	Income Tax Holiday Income Tax Benefits Per Share Basic IncomeTaxHolidayIncomeTaxBenefitsPerShareBasic	0.15
CY2010	diod	Income Tax Holiday Income Tax Benefits Per Share Basic IncomeTaxHolidayIncomeTaxBenefitsPerShareBasic	0.19
CY2012	diod	Income Tax Holiday Income Tax Benefits Per Share Diluted IncomeTaxHolidayIncomeTaxBenefitsPerShareDiluted	0.13
CY2011	diod	Income Tax Holiday Income Tax Benefits Per Share Diluted IncomeTaxHolidayIncomeTaxBenefitsPerShareDiluted	0.15
CY2010	diod	Income Tax Holiday Income Tax Benefits Per Share Diluted IncomeTaxHolidayIncomeTaxBenefitsPerShareDiluted	0.18
CY2012	us-gaap	Income Tax Holiday Description IncomeTaxHolidayDescription	During 2012, the China government began an audit of the Company’s High and New Technology Enterprise status for its largest Chinese subsidiary for 2009-2011 as part of an overall evaluation of the reduced tax rates provided to many high tech companies. This subsidiary has a reduced tax rate of 15%.
CY2011	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	321000	USD
CY2011	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	6088000	USD
CY2011	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	0	USD
CY2011	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	6241000	USD
CY2011	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	168000	USD
CY2012	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	5446000	USD
CY2012	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	70000	USD
CY2012	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	5638000	USD
CY2012	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	439000	USD
CY2012	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	317000	USD
CY2010Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	118505000	USD
CY2011	us-gaap	Defined Benefit Plan Actuarial Net Gains Losses DefinedBenefitPlanActuarialNetGainsLosses	-10576000	USD
CY2011	us-gaap	Defined Benefit Plan Benefits Paid DefinedBenefitPlanBenefitsPaid	-3825000	USD
CY2011	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	-636000	USD
CY2011Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	109877000	USD
CY2010Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	93642000	USD
CY2011	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	1524000	USD
CY2011	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	5852000	USD
CY2011	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Plan Assets DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets	-809000	USD
CY2011Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	96384000	USD
CY2011Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-13493000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-17853000	USD
CY2012	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Plan Assets DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets	4580000	USD
CY2012	us-gaap	Defined Benefit Plan Benefits Paid DefinedBenefitPlanBenefitsPaid	-3506000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	106898000	USD
CY2012	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	7536000	USD
CY2012	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	1904000	USD
CY2012	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	5291000	USD
CY2012	diod	Defined Benefit Plan Recognized Gain Loss Increase Decrease DefinedBenefitPlanRecognizedGainLossIncreaseDecrease	-5000000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-2000000	USD
CY2012	diod	Defined Benefit Plan Amortization Of Net Gains Losses Average Term DefinedBenefitPlanAmortizationOfNetGainsLossesAverageTerm	11 years
CY2012	us-gaap	Defined Benefit Plan Actuarial Net Gains Losses DefinedBenefitPlanActuarialNetGainsLosses	7134000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	124751000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	-12000000	USD
CY2012	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.051	pure
CY2012	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.056	pure
CY2011	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.056	pure
CY2011	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.051	pure
CY2012Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.046	pure
CY2011Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.051	pure
CY2012Q4	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1.00	pure
CY2012Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments In Year One DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearOne	3804000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments In Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearTwo	4454000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments In Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearThree	4584000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments In Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFour	4503000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments In Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFive	4823000	USD
CY2012Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments In Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsInFiveFiscalYearsThereafter	32055000	USD
CY2012	us-gaap	Defined Benefit Plan Target Allocation Percentage Of Assets Equity Securities DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquitySecurities	0.48	pure
CY2012	diod	Defined Benefit Plan Target Allocation Percentage Of Assets Corporate Bonds And Government Securities DefinedBenefitPlanTargetAllocationPercentageOfAssetsCorporateBondsAndGovernmentSecurities	0.4	pure
CY2012	diod	Defined Benefit Plan Target Allocation Percentage Of Assets Equity Absolute Return Funds DefinedBenefitPlanTargetAllocationPercentageOfAssetsEquityAbsoluteReturnFunds	0.12	pure
CY2011	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	5000000	USD
CY2010	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4000000	USD
CY2012	us-gaap	Deferred Compensation Arrangements Overall Description DeferredCompensationArrangementsOverallDescription	The Company maintains a Non-Qualified Deferred Compensation Plan (the “Deferred Compensation Plan”) for executive officers, key employees and members of the Board of Directors (the “Board”). The Deferred Compensation Plan allows eligible participants to defer the receipt of eligible compensation, including equity awards, until designated future dates. The Company offsets its 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.
CY2012Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	3000000	USD
CY2012	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	6000000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Description ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription	The Company maintains share-based compensation plans for its Board, officers and key employees, which provide for stock options and stock awards under its 2001 Omnibus Equity Incentive Plan
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.5799	pure
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Term ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm	7.3
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0260	pure
CY2010	diod	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRate	0.0088	pure
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate		pure
CY2012	diod	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRate	0.0076	pure
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0116	pure
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.5386	pure
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Term ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm	7.5
CY2011	diod	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRate	0.0047	pure
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Term ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedTerm	7.5
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0237	pure
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.5253	pure
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate		pure
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate		pure
CY2009Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3980000	shares
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	405000	shares
CY2010	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	-669000	shares
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	-9000	shares
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3707000	shares
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	2785000	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	-2000	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	402000	shares
CY2012	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	-274000	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3713000	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	2715000	shares
CY2011	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	-496000	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3587000	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	-9000	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	2622000	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	385000	shares
CY2009Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	12.50
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	18.98
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	7.16
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	27.39
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	14.14
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	12.53
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	29.07
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	7.17
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	20.80
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.69
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	14.51
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	19.31
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	4.81
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	20.10
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	17.85
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	16.48
CY2009Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1	5.2
CY2010Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1	5.2
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Remaining Contractual Term ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm	4.1
CY2012Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1	5.0
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Remaining Contractual Term ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm	3.7
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Remaining Contractual Term ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm	3.9
CY2011Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1	5.1
CY2009Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	34989000	USD
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	9712000	USD
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	47891000	USD
CY2010Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	40420000	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	11120000	USD
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	22299000	USD
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	9744000	USD
CY2012Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	9472000	USD
CY2011Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	20201000	USD
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	4249000	USD
CY2009Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	714000	shares
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	477000	shares
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	-265000	shares
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	-55000	shares
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	871000	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	472000	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	-274000	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	-45000	shares
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	1024000	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	482000	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	1164000	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	-37000	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	-305000	shares
CY2009Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	20.50
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	17.89
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	21.94
CY2010	diod	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	20.12
CY2010Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	18.66
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	25.78
CY2011Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	21.48
CY2011	diod	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	19.68
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	20.23
CY2012	diod	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	21.67
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	21.48
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	20.42
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	18.95
CY2011	diod	Share Based Compensation Arrangement By Share Based Payment Award Equity Instrument Other Than Options Nonvested Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentOtherThanOptionsNonvestedIntrinsicValue	0	USD
CY2010	diod	Share Based Compensation Arrangement By Share Based Payment Award Equity Instrument Other Than Options Nonvested Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentOtherThanOptionsNonvestedIntrinsicValue	7257000	USD
CY2012	diod	Share Based Compensation Arrangement By Share Based Payment Award Equity Instrument Other Than Options Vested In Period Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentOtherThanOptionsVestedInPeriodIntrinsicValue	6560000	USD
CY2012	diod	Share Based Compensation Arrangement By Share Based Payment Award Equity Instrument Other Than Options Nonvested Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentOtherThanOptionsNonvestedIntrinsicValue	0	USD
CY2011Q4	us-gaap	Due From Related Parties Current DueFromRelatedPartiesCurrent	11370000	USD
CY2011Q4	us-gaap	Due To Related Parties Current DueToRelatedPartiesCurrent	11108000	USD
CY2012Q4	us-gaap	Due From Related Parties Current DueFromRelatedPartiesCurrent	10661000	USD
CY2012Q4	us-gaap	Due To Related Parties Current DueToRelatedPartiesCurrent	10403000	USD
CY2012	us-gaap	Segment Reporting Information Revenue SegmentReportingInformationRevenue	862013000	USD
CY2011	us-gaap	Segment Reporting Information Revenue SegmentReportingInformationRevenue	891353000	USD
CY2010	us-gaap	Segment Reporting Information Revenue SegmentReportingInformationRevenue	825407000	USD
CY2010	diod	Revenues From Transactions Within Same Entity RevenuesFromTransactionsWithinSameEntity	-212521000	USD
CY2011	diod	Revenues From Transactions Within Same Entity RevenuesFromTransactionsWithinSameEntity	-256102000	USD
CY2012	diod	Revenues From Transactions Within Same Entity RevenuesFromTransactionsWithinSameEntity	-228207000	USD
CY2010Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	200745000	USD
CY2010Q4	us-gaap	Assets Assets	846550000	USD
CY2012	diod	Sales Revenue Net Percentage SalesRevenueNetPercentage	1.00	pure
CY2010	diod	Sales Revenue Net Percentage SalesRevenueNetPercentage	1.00	pure
CY2011	diod	Sales Revenue Net Percentage SalesRevenueNetPercentage	1.00	pure
CY2012	us-gaap	Segment Reporting Disclosure Of Major Customers SegmentReportingDisclosureOfMajorCustomers	Major customers – No customer accounted for 10% or greater of the Company’s total net sales in 2012, 2011 and 2010.
CY2012	us-gaap	Lease Expiration Date LeaseExpirationDate	through December 2018
CY2012	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	7000000	USD
CY2011	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	7000000	USD
CY2010	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	7000000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	6404000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	3947000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	2799000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	2370000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	2317000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	17837000	USD
CY2012Q4	diod	Other Commitment Remaining Minimum Amount Committed OtherCommitmentRemainingMinimumAmountCommitted	48000000	USD
CY2012	us-gaap	Long Term Purchase Commitment Potential Adverse Consequences LongTermPurchaseCommitmentPotentialAdverseConsequences	If the joint venture fails to achieve specified levels of investment, the investment agreement allows for a renegotiation as well as the option to repay a portion of such financial support.
CY2012	us-gaap	Long Term Purchase Commitment Description LongTermPurchaseCommitmentDescription	During 2010, The Company announced an investment agreement with the Management Committee of the Chengdu Hi-Tech Industrial Development Zone (the “CDHT”). Under this agreement, The Company has agreed to form a joint venture with a Chinese partner, Chengdu Ya Guang Electronic Company Limited, to establish a semiconductor manufacturing facility for surface-mounted component production, assembly and test in Chengdu, China. The Company initially will own at least 95% of the joint venture. The manufacturing facility will be developed in phases over a ten year period, and in order to qualify for certain financial incentives, the Company was obligated to contribute at least $48 million to the joint venture in installments by December 14, 2012. Due to pending approval from the Chinese government for completion of the restructuring of the Company’s China corporate entities, it received an extension to contribute the required amount until December 31, 2013. The CDHT will grant the joint venture a fifty year land lease, provides temporary facilities for up to three years at a subsidized rent while the joint venture builds the manufacturing facility and provides corporate and employee tax incentives, tax refunds, subsidies and other financial support to the joint venture and its qualified employees. If the joint venture fails to achieve specified levels of investment, the investment agreement allows for a renegotiation as well as the option to repay a portion of such financial support. This is a long-term, multi-year project that will provide additional capacity for the Company has needed.
CY2012Q4	diod	Other Commitment Remaining Minimum Amount Paid For Capital Expenditures OtherCommitmentRemainingMinimumAmountPaidForCapitalExpenditures	20000000	USD
CY2012Q4	diod	Other Commitment Remaining Minimum Amount Paid OtherCommitmentRemainingMinimumAmountPaid	25000000	USD
CY2012Q4	us-gaap	Significant Purchase Commitment Remaining Minimum Amount Committed SignificantPurchaseCommitmentRemainingMinimumAmountCommitted	10000000	USD
CY2012Q1	us-gaap	Sales Revenue Net SalesRevenueNet	144663000	USD
CY2012Q2	us-gaap	Sales Revenue Net SalesRevenueNet	159239000	USD
CY2012Q3	us-gaap	Sales Revenue Net SalesRevenueNet	166617000	USD
CY2012Q4	us-gaap	Sales Revenue Net SalesRevenueNet	163287000	USD
CY2012Q1	us-gaap	Gross Profit GrossProfit	33706000	USD
CY2012Q2	us-gaap	Gross Profit GrossProfit	41028000	USD
CY2012Q3	us-gaap	Gross Profit GrossProfit	43605000	USD
CY2012Q4	us-gaap	Gross Profit GrossProfit	43247000	USD
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	4871000	USD
CY2012Q2	us-gaap	Net Income Loss NetIncomeLoss	6653000	USD
CY2012Q3	us-gaap	Net Income Loss NetIncomeLoss	8553000	USD
CY2012Q4	us-gaap	Net Income Loss NetIncomeLoss	4075000	USD
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.11
CY2012Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.15
CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2012Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.09
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.10
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.14
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.18
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.09
CY2011Q1	us-gaap	Sales Revenue Net SalesRevenueNet	161555000	USD
CY2011Q2	us-gaap	Sales Revenue Net SalesRevenueNet	169806000	USD
CY2011Q3	us-gaap	Sales Revenue Net SalesRevenueNet	160577000	USD
CY2011Q4	us-gaap	Sales Revenue Net SalesRevenueNet	143313000	USD
CY2011Q1	us-gaap	Gross Profit GrossProfit	57393000	USD
CY2011Q2	us-gaap	Gross Profit GrossProfit	55615000	USD
CY2011Q3	us-gaap	Gross Profit GrossProfit	45194000	USD
CY2011Q4	us-gaap	Gross Profit GrossProfit	35495000	USD
CY2011Q1	us-gaap	Net Income Loss NetIncomeLoss	19684000	USD
CY2011Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.07
CY2012	us-gaap	Subsequent Events Date SubsequentEventsDate	2013-01-08
CY2011Q2	us-gaap	Net Income Loss NetIncomeLoss	17981000	USD
CY2011Q3	us-gaap	Net Income Loss NetIncomeLoss	9957000	USD
CY2011Q4	us-gaap	Net Income Loss NetIncomeLoss	3115000	USD
CY2011Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.44
CY2011Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.38
CY2011Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.22
CY2011Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.07
CY2011Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.42
CY2011Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.37
CY2011Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.21
CY2012	us-gaap	Subsequent Event Description SubsequentEventDescription	On January 8, 2013, the Company and Diodes International B.V. (the “Foreign Borrower” and collectively with the Company, the “Borrowers”) and certain subsidiaries of the Company as guarantors, entered into a Credit Agreement (the “New Credit Agreement”) with Bank of America and other participating lenders (collectively, the “Lenders”).
CY2012	us-gaap	Debt Instrument Covenant Description DebtInstrumentCovenantDescription	The New Credit Agreement 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 restrictive payments (including dividends).

Files In Submission

Name	View Source	Status
0001193125-13-080181-index-headers.html	Edgar Link	pending
0001193125-13-080181-index.html	Edgar Link	pending
0001193125-13-080181.txt	Edgar Link	pending
0001193125-13-080181-xbrl.zip	Edgar Link	pending
d491277d10k.htm	Edgar Link	pending
d491277dex1074.htm	Edgar Link	pending
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diod-20121231.xml	Edgar Link	completed
diod-20121231.xsd	Edgar Link	pending
diod-20121231_cal.xml	Edgar Link	unprocessable
diod-20121231_def.xml	Edgar Link	unprocessable
diod-20121231_lab.xml	Edgar Link	unprocessable
diod-20121231_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
g49127701.jpg	Edgar Link	pending
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$DIOD
DIODES INC /DEL/ Stock $diod

2011 Q4 Form 10-K Financial Statement

#000119312513080181 Filed on February 27, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$DIOD DIODES INC /DEL/ Stock $diod

2011 Q4 Form 10-K Financial Statement

#000119312513080181 Filed on February 27, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$DIOD
DIODES INC /DEL/ Stock $diod