$MPWR
Monolithic Power Systems Inc

2020 Q4 Form 10-Q Financial Statement

#000143774920022991 Filed on November 06, 2020

View on sec.gov

Income Statement

Concept 2020 Q4 2020 Q3 2019 Q3
Revenue $233.0M $259.4M $168.8M
YoY Change 39.74% 53.67% 5.52%
Cost Of Revenue $104.2M $116.4M $75.66M
YoY Change 39.3% 53.83% 6.62%
Gross Profit $128.9M $143.0M $93.16M
YoY Change 40.21% 53.55% 4.65%
Gross Profit Margin 55.32% 55.14% 55.18%
Selling, General & Admin $45.10M $43.50M $34.69M
YoY Change 35.68% 25.4% 17.39%
% of Gross Profit 34.99% 30.41% 37.24%
Research & Development $42.30M $37.72M $27.74M
YoY Change 56.6% 35.96% 8.24%
% of Gross Profit 32.82% 26.37% 29.78%
Depreciation & Amortization $5.400M $5.000M $3.800M
YoY Change 31.71% 31.58% 15.15%
% of Gross Profit 4.19% 3.5% 4.08%
Operating Expenses $87.40M $83.06M $63.13M
YoY Change 42.71% 31.58% 13.69%
Operating Profit $41.50M $59.98M $30.03M
YoY Change 35.21% 99.72% -10.33%
Interest Expense $1.800M $2.311M $1.850M
YoY Change 5.88% 24.92% 16.87%
% of Operating Profit 4.34% 3.85% 6.16%
Other Income/Expense, Net $2.700M $2.494M $2.257M
YoY Change -1.14% 10.5% -16.84%
Pretax Income $44.40M $62.47M $32.29M
YoY Change 32.83% 93.48% -10.82%
Income Tax $1.600M $6.900M $2.800M
% Of Pretax Income 3.6% 11.04% 8.67%
Net Earnings $42.90M $55.57M $29.53M
YoY Change 32.26% 88.18% -6.46%
Net Earnings / Revenue 18.41% 21.42% 17.49%
Basic Earnings Per Share $1.24 $0.68
Diluted Earnings Per Share $901.3K $1.18 $0.64
COMMON SHARES
Basic Shares Outstanding 45.10M 44.97M 43.31M
Diluted Shares Outstanding 46.96M 45.83M

Balance Sheet

Concept 2020 Q4 2020 Q3 2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments $595.1M $551.5M $418.7M
YoY Change 30.68% 31.72% 20.39%
Cash & Equivalents $334.9M $179.5M $205.2M
Short-Term Investments $260.2M $372.1M $213.5M
Other Short-Term Assets $22.98M $25.97M $16.66M
YoY Change 17.21% 55.88% 29.39%
Inventory $157.1M $148.1M $135.6M
Prepaid Expenses $5.032M $10.03M $4.024M
Receivables $66.80M $93.50M $58.30M
Other Receivables $14.50M $12.20M $7.800M
Total Short-Term Assets $842.0M $819.1M $629.3M
YoY Change 28.51% 30.17% 12.9%
LONG-TERM ASSETS
Property, Plant & Equipment $281.5M $270.3M $217.0M
YoY Change 23.31% 24.54% 47.15%
Goodwill $6.571M $6.571M $6.571M
YoY Change 0.0% 0.0% 0.0%
Intangibles
YoY Change
Long-Term Investments $6.300M $2.900M $3.300M
YoY Change 103.23% -12.12% -37.74%
Other Assets $59.84M $48.87M $43.34M
YoY Change 21.89% 12.75% 30.27%
Total Long-Term Assets $366.5M $342.2M $286.8M
YoY Change 21.69% 19.28% 39.41%
TOTAL ASSETS
Total Short-Term Assets $842.0M $819.1M $629.3M
Total Long-Term Assets $366.5M $342.2M $286.8M
Total Assets $1.208B $1.161B $916.1M
YoY Change 26.36% 26.76% 20.05%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $38.17M $48.14M $30.32M
YoY Change 39.96% 58.79% 9.84%
Accrued Expenses $62.96M $61.77M $45.98M
YoY Change 40.57% 34.34% 31.73%
Deferred Revenue $7.238M $6.442M $4.160M
YoY Change 112.13% 54.86%
Short-Term Debt $0.00 $0.00 $0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities $147.0M $158.3M $105.0M
YoY Change 49.62% 50.7% 22.83%
LONG-TERM LIABILITIES
Long-Term Debt $0.00 $0.00 $0.00
YoY Change
Other Long-Term Liabilities $57.87M $52.82M $44.28M
YoY Change 22.97% 19.3% 21.94%
Total Long-Term Liabilities $57.87M $52.82M $44.28M
YoY Change 22.97% 19.3% 21.94%
TOTAL LIABILITIES
Total Short-Term Liabilities $147.0M $158.3M $105.0M
Total Long-Term Liabilities $57.87M $52.82M $44.28M
Total Liabilities $241.9M $246.7M $181.7M
YoY Change 32.27% 35.78% 18.77%
SHAREHOLDERS EQUITY
Retained Earnings $298.7M $279.7M $215.7M
YoY Change 30.2% 29.65% 19.29%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $966.6M $914.6M $734.4M
YoY Change
Total Liabilities & Shareholders Equity $1.208B $1.161B $916.1M
YoY Change 26.36% 26.76% 20.05%

Cashflow Statement

Concept 2020 Q4 2020 Q3 2019 Q3
OPERATING ACTIVITIES
Net Income $42.90M $55.57M $29.53M
YoY Change 32.26% 88.18% -6.46%
Depreciation, Depletion And Amortization $5.400M $5.000M $3.800M
YoY Change 31.71% 31.58% 15.15%
Cash From Operating Activities $79.60M $77.50M $72.40M
YoY Change 30.49% 7.04% 38.7%
INVESTING ACTIVITIES
Capital Expenditures -$11.40M -$19.70M -$9.500M
YoY Change 31.03% 107.37% 86.27%
Acquisitions
YoY Change
Other Investing Activities $105.8M -$17.70M -$36.50M
YoY Change -250.5% -51.51% -376.52%
Cash From Investing Activities $94.20M -$37.30M -$46.00M
YoY Change -219.24% -18.91% -667.9%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities -22.00M -19.30M -14.30M
YoY Change 28.65% 34.97% 34.91%
NET CHANGE
Cash From Operating Activities 79.60M 77.50M 72.40M
Cash From Investing Activities 94.20M -37.30M -46.00M
Cash From Financing Activities -22.00M -19.30M -14.30M
Net Change In Cash 151.8M 20.90M 12.10M
YoY Change -532.48% 72.73% -75.65%
FREE CASH FLOW
Cash From Operating Activities $79.60M $77.50M $72.40M
Capital Expenditures -$11.40M -$19.70M -$9.500M
Free Cash Flow $91.00M $97.20M $81.90M
YoY Change 30.56% 18.68% 42.93%

Facts In Submission

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us-gaap Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures
StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
16457000 USD
us-gaap Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
3819000 USD
us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
62639000 USD
CY2020Q3 us-gaap Stockholders Equity
StockholdersEquity
914569000 USD
CY2018Q4 us-gaap Stockholders Equity
StockholdersEquity
640093000 USD
us-gaap Net Income Loss
NetIncomeLoss
76402000 USD
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-4496000 USD
us-gaap Dividends
Dividends
55438000 USD
us-gaap Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures
StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
14561000 USD
us-gaap Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
3277000 USD
us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
60029000 USD
CY2019Q3 us-gaap Stockholders Equity
StockholdersEquity
734428000 USD
us-gaap Net Income Loss
NetIncomeLoss
121488000 USD
us-gaap Net Income Loss
NetIncomeLoss
76402000 USD
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
13785000 USD
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
10817000 USD
us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
-15000 USD
us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
282000 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-1984000 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-384000 USD
mpwr Gain Loss On Deferred Compensation Plan Investments Cash Flow
GainLossOnDeferredCompensationPlanInvestmentsCashFlow
1420000 USD
mpwr Gain Loss On Deferred Compensation Plan Investments Cash Flow
GainLossOnDeferredCompensationPlanInvestmentsCashFlow
2630000 USD
us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
3400000 USD
us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
-18000 USD
us-gaap Share Based Compensation
ShareBasedCompensation
62581000 USD
us-gaap Share Based Compensation
ShareBasedCompensation
60019000 USD
us-gaap Increase Decrease In Receivables
IncreaseDecreaseInReceivables
40826000 USD
us-gaap Increase Decrease In Receivables
IncreaseDecreaseInReceivables
3048000 USD
us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
20533000 USD
us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
-754000 USD
us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
6376000 USD
us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
5849000 USD
us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
19811000 USD
us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
7173000 USD
us-gaap Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
21780000 USD
us-gaap Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
10328000 USD
us-gaap Increase Decrease In Accrued Income Taxes Payable
IncreaseDecreaseInAccruedIncomeTaxesPayable
-1805000 USD
us-gaap Increase Decrease In Accrued Income Taxes Payable
IncreaseDecreaseInAccruedIncomeTaxesPayable
-6186000 USD
us-gaap Increase Decrease In Other Accrued Liabilities
IncreaseDecreaseInOtherAccruedLiabilities
14271000 USD
us-gaap Increase Decrease In Other Accrued Liabilities
IncreaseDecreaseInOtherAccruedLiabilities
7453000 USD
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
188155000 USD
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
155317000 USD
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
44158000 USD
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
87129000 USD
mpwr Payments To Acquire In Place Leases
PaymentsToAcquireInPlaceLeases
-0 USD
mpwr Payments To Acquire In Place Leases
PaymentsToAcquireInPlaceLeases
981000 USD
us-gaap Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
270797000 USD
us-gaap Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
106409000 USD
us-gaap Proceeds From Sale Of Short Term Investments
ProceedsFromSaleOfShortTermInvestments
182355000 USD
us-gaap Proceeds From Sale Of Short Term Investments
ProceedsFromSaleOfShortTermInvestments
98814000 USD
us-gaap Proceeds From Sale Of Longterm Investments
ProceedsFromSaleOfLongtermInvestments
250000 USD
us-gaap Proceeds From Sale Of Longterm Investments
ProceedsFromSaleOfLongtermInvestments
125000 USD
us-gaap Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
29000 USD
us-gaap Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
9268000 USD
mpwr Contributions Made To Deferred Compensation Plan
ContributionsMadeToDeferredCompensationPlan
1116000 USD
mpwr Contributions Made To Deferred Compensation Plan
ContributionsMadeToDeferredCompensationPlan
1797000 USD
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-133437000 USD
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-88109000 USD
mpwr Property And Equipment Purchased On Extended Payment Terms
PropertyAndEquipmentPurchasedOnExtendedPaymentTerms
4437000 USD
mpwr Property And Equipment Purchased On Extended Payment Terms
PropertyAndEquipmentPurchasedOnExtendedPaymentTerms
204000 USD
us-gaap Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans
ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
16457000 USD
us-gaap Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans
ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
14561000 USD
us-gaap Proceeds From Stock Plans
ProceedsFromStockPlans
3819000 USD
us-gaap Proceeds From Stock Plans
ProceedsFromStockPlans
3277000 USD
us-gaap Payments Of Dividends
PaymentsOfDividends
65477000 USD
us-gaap Payments Of Dividends
PaymentsOfDividends
48641000 USD
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-49638000 USD
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-31007000 USD
us-gaap Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
1432000 USD
us-gaap Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
-2516000 USD
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
6512000 USD
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
33685000 USD
CY2019Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
173076000 USD
CY2018Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
172818000 USD
CY2020Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
179588000 USD
CY2019Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
206503000 USD
us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
1036000 USD
us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
9472000 USD
us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
9355000 USD
us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
4969000 USD
CY2020Q3 mpwr Dividends And Dividend Equivalents Accrued
DividendsAndDividendEquivalentsAccrued
26429000 USD
CY2019Q3 mpwr Dividends And Dividend Equivalents Accrued
DividendsAndDividendEquivalentsAccrued
20866000 USD
us-gaap Use Of Estimates
UseOfEstimates
<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: left;"><i><b>Use of Estimates</b></i></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: left;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: left;">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, and reported amounts of revenue and expenses during the reporting period. Significant estimates and assumptions used in these condensed consolidated financial statements primarily include those related to revenue recognition, inventory valuation, valuation of share-based awards, contingencies and income tax valuation allowances. </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: left;"><i><b> </b></i></p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: left;">The coronavirus pandemic <em style="font: inherit;">first</em> identified in <em style="font: inherit;"> December 2019 (</em>“COVID-<em style="font: inherit;">19”</em>) has resulted in a global slowdown of economic activity and a decrease in demand for a broad variety of goods and services, while also disrupting business operations for an unknown period of time until the disease is contained. Although these events did <em style="font: inherit;">not</em> adversely affect the Company’s overall operating results and financial condition for the <em style="font: inherit;">three</em> and <em style="font: inherit;">nine</em> months ended <em style="font: inherit;"> September 30, 2020, </em>they could have a negative impact on the Company’s business operations for the remainder of <em style="font: inherit;">2020</em> and beyond. However, the Company is currently unable to predict the size and duration of such impact.</p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: left;"> </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: left;">As of the date of issuance of these condensed consolidated financial statements, the Company is <em style="font: inherit;">not</em> aware of any specific event or circumstance that would require management to update the significant estimates and assumptions used in the preparation of the condensed consolidated financial statements, as compared to those disclosed in the Annual Report on Form <em style="font: inherit;">10</em>-K for the year ended <em style="font: inherit;"> December 31, 2019. </em>As new events continue to evolve and additional information becomes available, any changes to these estimates and assumptions will be recognized in the condensed consolidated financial statements as soon as they become known. Actual results could differ from these estimates and assumptions, and any such differences <em style="font: inherit;"> may </em>be material to the Company’s condensed consolidated financial statements. </p> <p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: left;"> </p>
mpwr Lapse Period For Consignment
LapsePeriodForConsignment
P60D
CY2020Q3 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
93500000 USD
CY2019Q4 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
52700000 USD
us-gaap Contract With Customer Liability Revenue Recognized
ContractWithCustomerLiabilityRevenueRecognized
3300000 USD
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
54.98
us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
1450000 USD
us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
2139000 USD
CY2019Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
4053000
CY2019Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
59.16
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
695000
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
174.03
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
1452000
CY2020Q3 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
22975000 USD
CY2019Q3 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
21300000 USD
us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
62581000 USD
us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
60019000 USD
CY2020Q3 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
512000 USD
CY2019Q3 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
595000 USD
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
25000
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
92.50
CY2020Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
3271000
CY2020Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
85.19
CY2020Q3 us-gaap Inventory Raw Materials Net Of Reserves
InventoryRawMaterialsNetOfReserves
24099000 USD
CY2019Q4 us-gaap Inventory Raw Materials Net Of Reserves
InventoryRawMaterialsNetOfReserves
22872000 USD
CY2020Q3 us-gaap Inventory Work In Process Net Of Reserves
InventoryWorkInProcessNetOfReserves
66816000 USD
CY2019Q4 us-gaap Inventory Work In Process Net Of Reserves
InventoryWorkInProcessNetOfReserves
42681000 USD
CY2020Q3 us-gaap Inventory Finished Goods Net Of Reserves
InventoryFinishedGoodsNetOfReserves
57181000 USD
CY2019Q4 us-gaap Inventory Finished Goods Net Of Reserves
InventoryFinishedGoodsNetOfReserves
61947000 USD
CY2020Q3 us-gaap Inventory Net
InventoryNet
148096000 USD
CY2019Q4 us-gaap Inventory Net
InventoryNet
127500000 USD
CY2020Q3 mpwr Tax Withholding Share Based Payment Arrangement Proceeds Receivable
TaxWithholdingShareBasedPaymentArrangementProceedsReceivable
9587000 USD
CY2019Q4 mpwr Tax Withholding Share Based Payment Arrangement Proceeds Receivable
TaxWithholdingShareBasedPaymentArrangementProceedsReceivable
6106000 USD
CY2020Q3 us-gaap Prepaid Expense Current
PrepaidExpenseCurrent
10030000 USD
CY2019Q4 us-gaap Prepaid Expense Current
PrepaidExpenseCurrent
7991000 USD
CY2020Q3 us-gaap Interest Receivable Current
InterestReceivableCurrent
2603000 USD
CY2019Q4 us-gaap Interest Receivable Current
InterestReceivableCurrent
2490000 USD
CY2020Q3 mpwr Product Return Assets Current
ProductReturnAssetsCurrent
2217000 USD
CY2019Q4 mpwr Product Return Assets Current
ProductReturnAssetsCurrent
1585000 USD
CY2020Q3 us-gaap Other Assets Miscellaneous Current
OtherAssetsMiscellaneousCurrent
1533000 USD
CY2019Q4 us-gaap Other Assets Miscellaneous Current
OtherAssetsMiscellaneousCurrent
1433000 USD
CY2020Q3 us-gaap Other Assets Current
OtherAssetsCurrent
25970000 USD
CY2019Q4 us-gaap Other Assets Current
OtherAssetsCurrent
19605000 USD
CY2020Q3 us-gaap Deferred Compensation Plan Assets
DeferredCompensationPlanAssets
41395000 USD
CY2019Q4 us-gaap Deferred Compensation Plan Assets
DeferredCompensationPlanAssets
38858000 USD
CY2020Q3 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
3629000 USD
CY2019Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
2863000 USD
CY2020Q3 us-gaap Prepaid Expense Other Noncurrent
PrepaidExpenseOtherNoncurrent
2461000 USD
CY2019Q4 us-gaap Prepaid Expense Other Noncurrent
PrepaidExpenseOtherNoncurrent
2687000 USD
CY2020Q3 us-gaap Other Assets Miscellaneous Noncurrent
OtherAssetsMiscellaneousNoncurrent
1383000 USD
CY2019Q4 us-gaap Other Assets Miscellaneous Noncurrent
OtherAssetsMiscellaneousNoncurrent
1544000 USD
CY2020Q3 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
48868000 USD
CY2019Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
45952000 USD
CY2020Q3 mpwr Dividends And Dividend Equivalents
DividendsAndDividendEquivalents
26102000 USD
CY2019Q4 mpwr Dividends And Dividend Equivalents
DividendsAndDividendEquivalents
21747000 USD
CY2020Q3 mpwr Stock Rotation Reserve And Accrued Sales Returns
StockRotationReserveAndAccruedSalesReturns
8086000 USD
CY2019Q4 mpwr Stock Rotation Reserve And Accrued Sales Returns
StockRotationReserveAndAccruedSalesReturns
5530000 USD
CY2020Q3 mpwr Accrued Purchases Of Property And Equipment Current
AccruedPurchasesOfPropertyAndEquipmentCurrent
7056000 USD
CY2019Q4 mpwr Accrued Purchases Of Property And Equipment Current
AccruedPurchasesOfPropertyAndEquipmentCurrent
4678000 USD
CY2020Q3 us-gaap Accrued Income Taxes Current
AccruedIncomeTaxesCurrent
2618000 USD
CY2019Q4 us-gaap Accrued Income Taxes Current
AccruedIncomeTaxesCurrent
2435000 USD
CY2020Q3 us-gaap Contract With Customer Liability Current
ContractWithCustomerLiabilityCurrent
6442000 USD
CY2019Q4 us-gaap Contract With Customer Liability Current
ContractWithCustomerLiabilityCurrent
3412000 USD
CY2020Q3 us-gaap Accrued Sales Commission Current
AccruedSalesCommissionCurrent
2058000 USD
CY2019Q4 us-gaap Accrued Sales Commission Current
AccruedSalesCommissionCurrent
1425000 USD
CY2020Q3 us-gaap Product Warranty Accrual Classified Current
ProductWarrantyAccrualClassifiedCurrent
3899000 USD
CY2019Q4 us-gaap Product Warranty Accrual Classified Current
ProductWarrantyAccrualClassifiedCurrent
1139000 USD
CY2020Q3 us-gaap Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
4122000 USD
CY2019Q4 us-gaap Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
3170000 USD
CY2020Q3 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
61774000 USD
CY2019Q4 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
44790000 USD
CY2020Q3 us-gaap Deferred Compensation Liability Classified Noncurrent
DeferredCompensationLiabilityClassifiedNoncurrent
43372000 USD
CY2019Q4 us-gaap Deferred Compensation Liability Classified Noncurrent
DeferredCompensationLiabilityClassifiedNoncurrent
39665000 USD
CY2020Q3 mpwr Dividend Equivalents Noncurrent
DividendEquivalentsNoncurrent
7718000 USD
CY2019Q4 mpwr Dividend Equivalents Noncurrent
DividendEquivalentsNoncurrent
6265000 USD
CY2020Q3 us-gaap Other Accrued Liabilities Noncurrent
OtherAccruedLiabilitiesNoncurrent
30000 USD
CY2019Q4 us-gaap Other Accrued Liabilities Noncurrent
OtherAccruedLiabilitiesNoncurrent
30000 USD
CY2020Q3 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
52823000 USD
CY2019Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
47063000 USD
CY2020Q3 us-gaap Operating Lease Cost
OperatingLeaseCost
364000 USD
CY2019Q3 us-gaap Operating Lease Cost
OperatingLeaseCost
377000 USD
us-gaap Operating Lease Cost
OperatingLeaseCost
1093000 USD
us-gaap Operating Lease Cost
OperatingLeaseCost
1013000 USD
CY2020Q3 us-gaap Short Term Lease Cost
ShortTermLeaseCost
87000 USD
CY2019Q3 us-gaap Short Term Lease Cost
ShortTermLeaseCost
102000 USD
us-gaap Short Term Lease Cost
ShortTermLeaseCost
235000 USD
us-gaap Short Term Lease Cost
ShortTermLeaseCost
394000 USD
CY2020Q3 us-gaap Lease Cost
LeaseCost
451000 USD
CY2019Q3 us-gaap Lease Cost
LeaseCost
479000 USD
us-gaap Lease Cost
LeaseCost
1328000 USD
us-gaap Lease Cost
LeaseCost
1407000 USD
CY2020Q3 us-gaap Operating Lease Payments
OperatingLeasePayments
394000 USD
CY2019Q3 us-gaap Operating Lease Payments
OperatingLeasePayments
299000 USD
us-gaap Operating Lease Payments
OperatingLeasePayments
1097000 USD
us-gaap Operating Lease Payments
OperatingLeasePayments
1026000 USD
CY2020Q3 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
0 USD
CY2019Q3 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
869000 USD
us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
1796000 USD
us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
3450000 USD
CY2020Q3 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P2Y9M18D
CY2019Q4 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P2Y1M6D
CY2020Q3 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.029 pure
CY2019Q4 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.037 pure
CY2019Q1 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
2200000 USD
CY2020Q3 us-gaap Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
450000 USD
CY2020Q3 us-gaap Lessee Operating Lease Liability Payments Due Next Twelve Months
LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
1333000 USD
CY2020Q3 us-gaap Lessee Operating Lease Liability Payments Due Year Two
LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
852000 USD
CY2020Q3 us-gaap Lessee Operating Lease Liability Payments Due Year Three
LesseeOperatingLeaseLiabilityPaymentsDueYearThree
279000 USD
CY2020Q3 us-gaap Lessee Operating Lease Liability Payments Due Year Four
LesseeOperatingLeaseLiabilityPaymentsDueYearFour
192000 USD
CY2020Q3 us-gaap Lessee Operating Lease Liability Payments Due Year Five
LesseeOperatingLeaseLiabilityPaymentsDueYearFive
134000 USD
CY2020Q3 us-gaap Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
3240000 USD
CY2020Q3 us-gaap Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
146000 USD
CY2020Q3 us-gaap Operating Lease Lease Income Lease Payments
OperatingLeaseLeaseIncomeLeasePayments
500000 USD
us-gaap Operating Lease Lease Income Lease Payments
OperatingLeaseLeaseIncomeLeasePayments
1300000 USD
CY2020Q3 us-gaap Lessor Operating Lease Payments To Be Received Remainder Of Fiscal Year
LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear
589000 USD
CY2020Q3 us-gaap Lessor Operating Lease Payments To Be Received Next Twelve Months
LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths
2112000 USD
CY2020Q3 us-gaap Lessor Operating Lease Payments To Be Received Two Years
LessorOperatingLeasePaymentsToBeReceivedTwoYears
2070000 USD
CY2020Q3 us-gaap Lessor Operating Lease Payments To Be Received Three Years
LessorOperatingLeasePaymentsToBeReceivedThreeYears
1478000 USD
CY2020Q3 us-gaap Lessor Operating Lease Payments To Be Received Four Years
LessorOperatingLeasePaymentsToBeReceivedFourYears
552000 USD
CY2020Q3 us-gaap Lessor Operating Lease Payments To Be Received Five Years
LessorOperatingLeasePaymentsToBeReceivedFiveYears
59000 USD
CY2020Q3 us-gaap Lessor Operating Lease Payments To Be Received
LessorOperatingLeasePaymentsToBeReceived
6860000 USD
CY2020Q3 us-gaap Net Income Loss
NetIncomeLoss
55566000 USD
CY2019Q3 us-gaap Net Income Loss
NetIncomeLoss
29528000 USD
us-gaap Net Income Loss
NetIncomeLoss
121488000 USD
us-gaap Net Income Loss
NetIncomeLoss
76402000 USD
CY2020Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
44970000
CY2019Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
43308000
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
44737000
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
43055000
CY2020Q3 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
1985000
CY2019Q3 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
2525000
us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
2082000
us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
2461000
CY2020Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
46955000
CY2019Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
45833000
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
46819000
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
45516000
CY2020Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.24
CY2019Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.68
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.72
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.77
CY2020Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.18
CY2019Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.64
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.59
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.68
CY2020Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
259422000 USD
CY2019Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
168813000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
611409000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
461183000 USD
CY2020Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
259422000 USD
CY2019Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
168813000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
611409000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
461183000 USD
CY2020Q3 us-gaap Noncurrent Assets
NoncurrentAssets
270310000 USD
CY2019Q4 us-gaap Noncurrent Assets
NoncurrentAssets
228315000 USD
CY2019Q4 mpwr Cash Cash Equivalents And Investments
CashCashEquivalentsAndInvestments
458535000 USD
CY2020Q2 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
1174000 USD
CY2019Q2 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
1748000 USD
CY2019Q4 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
1139000 USD
CY2018Q4 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
4564000 USD
CY2020Q3 us-gaap Standard Product Warranty Accrual Warranties Issued
StandardProductWarrantyAccrualWarrantiesIssued
3324000 USD
CY2019Q3 us-gaap Standard Product Warranty Accrual Warranties Issued
StandardProductWarrantyAccrualWarrantiesIssued
92000 USD
us-gaap Standard Product Warranty Accrual Warranties Issued
StandardProductWarrantyAccrualWarrantiesIssued
4364000 USD
us-gaap Standard Product Warranty Accrual Warranties Issued
StandardProductWarrantyAccrualWarrantiesIssued
671000 USD
CY2020Q3 us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
254000 USD
CY2019Q3 us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
326000 USD
us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
760000 USD
us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
2625000 USD
CY2020Q3 us-gaap Product Warranty Accrual Preexisting Increase Decrease
ProductWarrantyAccrualPreexistingIncreaseDecrease
345000 USD
CY2019Q3 us-gaap Product Warranty Accrual Preexisting Increase Decrease
ProductWarrantyAccrualPreexistingIncreaseDecrease
247000 USD
us-gaap Product Warranty Accrual Preexisting Increase Decrease
ProductWarrantyAccrualPreexistingIncreaseDecrease
844000 USD
us-gaap Product Warranty Accrual Preexisting Increase Decrease
ProductWarrantyAccrualPreexistingIncreaseDecrease
1343000 USD
CY2020Q3 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
3899000 USD
CY2019Q3 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
1267000 USD
CY2020Q3 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
3899000 USD
CY2019Q3 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
1267000 USD
CY2020Q3 us-gaap Purchase Obligation
PurchaseObligation
215500000 USD
CY2020Q3 us-gaap Cash
Cash
138271000 USD
CY2019Q4 us-gaap Cash
Cash
144860000 USD
CY2020Q3 us-gaap Money Market Funds At Carrying Value
MoneyMarketFundsAtCarryingValue
41195000 USD
CY2019Q4 us-gaap Money Market Funds At Carrying Value
MoneyMarketFundsAtCarryingValue
28100000 USD
CY2020Q3 us-gaap Commercial Paper At Carrying Value
CommercialPaperAtCarryingValue
7985000 USD
CY2019Q4 us-gaap Commercial Paper At Carrying Value
CommercialPaperAtCarryingValue
1994000 USD
CY2020Q3 us-gaap Us Government Securities At Carrying Value
USGovernmentSecuritiesAtCarryingValue
14749000 USD
CY2019Q4 us-gaap Us Government Securities At Carrying Value
USGovernmentSecuritiesAtCarryingValue
19493000 USD
CY2020Q3 mpwr Cash Cash Equivalents And Investments
CashCashEquivalentsAndInvestments
554458000 USD
CY2020Q3 us-gaap Available For Sale Securities Debt Maturities Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
156119000 USD
CY2020Q3 us-gaap Available For Sale Securities Debt Maturities Within One Year Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
156891000 USD
CY2020Q3 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
212464000 USD
CY2020Q3 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
215185000 USD
CY2020Q3 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
3070000 USD
CY2020Q3 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
2916000 USD
CY2020Q3 us-gaap Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis
371653000 USD
CY2020Q3 us-gaap Available For Sale Securities Debt Maturities Single Maturity Date
AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate
374992000 USD
CY2020Q3 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
412848000 USD
CY2020Q3 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
3608000 USD
CY2020Q3 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
269000 USD
CY2020Q3 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
416187000 USD
CY2019Q4 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
313546000 USD
CY2019Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
390000 USD
CY2019Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
261000 USD
CY2020Q3 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
179466000 USD
CY2019Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
172960000 USD
CY2020Q3 us-gaap Short Term Investments
ShortTermInvestments
372076000 USD
CY2019Q4 us-gaap Short Term Investments
ShortTermInvestments
282437000 USD
CY2020Q3 us-gaap Long Term Investments
LongTermInvestments
2916000 USD
CY2019Q4 us-gaap Long Term Investments
LongTermInvestments
3138000 USD
CY2020Q3 mpwr Cash Cash Equivalents And Investments
CashCashEquivalentsAndInvestments
554458000 USD
CY2019Q4 mpwr Cash Cash Equivalents And Investments
CashCashEquivalentsAndInvestments
458535000 USD
CY2019Q4 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
313675000 USD
CY2020Q3 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
65918000 USD
CY2020Q3 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
115000 USD
CY2020Q3 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
2916000 USD
CY2020Q3 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
154000 USD
CY2020Q3 us-gaap Debt Securities Available For Sale Unrealized Loss Position
DebtSecuritiesAvailableForSaleUnrealizedLossPosition
68834000 USD
CY2020Q3 us-gaap Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
269000 USD
CY2019Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
83119000 USD
CY2019Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
64000 USD
CY2019Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
14274000 USD
CY2019Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
197000 USD
CY2019Q4 us-gaap Debt Securities Available For Sale Unrealized Loss Position
DebtSecuritiesAvailableForSaleUnrealizedLossPosition
97393000 USD
CY2019Q4 us-gaap Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
261000 USD
mpwr Auction Rate Securities Maturities
AuctionRateSecuritiesMaturities
P26Y
mpwr Redemption Auction Rate Securities To Date
RedemptionAuctionRateSecuritiesToDate
40200000 USD
mpwr Percentage Of Auction Rate Securities Redeemedat Par Value
PercentageOfAuctionRateSecuritiesRedeemedatParValue
0.93 pure
CY2020Q3 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
179466000 USD
CY2019Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
172960000 USD
CY2020Q3 us-gaap Restricted Cash And Cash Equivalents
RestrictedCashAndCashEquivalents
122000 USD
CY2019Q4 us-gaap Restricted Cash And Cash Equivalents
RestrictedCashAndCashEquivalents
116000 USD
CY2020Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
179588000 USD
CY2019Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
173076000 USD
CY2020Q3 us-gaap Assets Fair Value Disclosure
AssetsFairValueDisclosure
439749000 USD
CY2019Q4 us-gaap Assets Fair Value Disclosure
AssetsFairValueDisclosure
335650000 USD
CY2020Q3 us-gaap Deferred Compensation Plan Assets
DeferredCompensationPlanAssets
41395000 USD
CY2019Q4 us-gaap Deferred Compensation Plan Assets
DeferredCompensationPlanAssets
38858000 USD
CY2020Q3 us-gaap Deferred Compensation Liability Current And Noncurrent
DeferredCompensationLiabilityCurrentAndNoncurrent
43527000 USD
CY2019Q4 us-gaap Deferred Compensation Liability Current And Noncurrent
DeferredCompensationLiabilityCurrentAndNoncurrent
40090000 USD
CY2020Q3 us-gaap Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
2311000 USD
CY2019Q3 us-gaap Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
1850000 USD
us-gaap Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
7073000 USD
us-gaap Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
5207000 USD
CY2020Q3 us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-863000 USD
CY2019Q3 us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-168000 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-1984000 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-384000 USD
CY2020Q3 mpwr Gain Loss On Deferred Compensation Plan Investments
GainLossOnDeferredCompensationPlanInvestments
1598000 USD
CY2019Q3 mpwr Gain Loss On Deferred Compensation Plan Investments
GainLossOnDeferredCompensationPlanInvestments
74000 USD
mpwr Gain Loss On Deferred Compensation Plan Investments
GainLossOnDeferredCompensationPlanInvestments
1420000 USD
mpwr Gain Loss On Deferred Compensation Plan Investments
GainLossOnDeferredCompensationPlanInvestments
2630000 USD
CY2020Q3 us-gaap Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
-759000 USD
CY2019Q3 us-gaap Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
175000 USD
us-gaap Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
-889000 USD
us-gaap Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
47000 USD
CY2020Q3 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
207000 USD
CY2019Q3 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
326000 USD
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
360000 USD
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
327000 USD
CY2020Q3 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
2494000 USD
CY2019Q3 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
2257000 USD
us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
5980000 USD
us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
7827000 USD
CY2020Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
6900000 USD
CY2020Q3 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.111 pure
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
3400000 USD
us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.027 pure
CY2019Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
2800000 USD
CY2019Q3 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.086 pure
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
3300000 USD
us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.041 pure
CY2020Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.50
CY2019Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.40
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.50
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.20
CY2020Q3 us-gaap Dividends Common Stock
DividendsCommonStock
22508000 USD
CY2019Q3 us-gaap Dividends Common Stock
DividendsCommonStock
17341000 USD
us-gaap Dividends Common Stock
DividendsCommonStock
67239000 USD
us-gaap Dividends Common Stock
DividendsCommonStock
51782000 USD
CY2020Q3 us-gaap Dividends Payable Current
DividendsPayableCurrent
22500000 USD
CY2019Q4 us-gaap Dividends Payable Current
DividendsPayableCurrent
17400000 USD
CY2020Q3 mpwr Accrued Dividend Equivalents
AccruedDividendEquivalents
11300000 USD
CY2019Q4 mpwr Accrued Dividend Equivalents
AccruedDividendEquivalents
10600000 USD

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