$MPWR
Monolithic Power Systems Inc

2019 Q4 Form 10-Q Financial Statement

#000143774919021309 Filed on November 01, 2019

View on sec.gov

Income Statement

Concept 2019 Q4 2019 Q3 2018 Q4
Revenue $166.7M $168.8M $153.5M
YoY Change 8.63% 5.52% 18.59%
Cost Of Revenue $74.80M $75.66M $68.90M
YoY Change 8.56% 6.62% 18.25%
Gross Profit $91.94M $93.16M $84.59M
YoY Change 8.68% 4.65% 18.88%
Gross Profit Margin 55.14% 55.18% 55.11%
Selling, General & Admin $33.24M $34.69M $28.37M
YoY Change 17.16% 17.39% 18.03%
% of Gross Profit 36.16% 37.24% 33.54%
Research & Development $27.01M $27.74M $22.74M
YoY Change 18.81% 8.24% 4.62%
% of Gross Profit 29.38% 29.78% 26.88%
Depreciation & Amortization $4.100M $3.800M $3.200M
YoY Change 28.12% 15.15% -20.0%
% of Gross Profit 4.46% 4.08% 3.78%
Operating Expenses $61.24M $63.13M $51.52M
YoY Change 18.88% 13.69% 11.73%
Operating Profit $30.69M $30.03M $33.08M
YoY Change -7.2% -10.33% 32.03%
Interest Expense $1.700M $1.850M $1.800M
YoY Change -5.56% 16.87% 38.46%
% of Operating Profit 5.54% 6.16% 5.44%
Other Income/Expense, Net $2.731M $2.257M -$393.0K
YoY Change -794.91% -16.84% -123.86%
Pretax Income $33.43M $32.29M $32.68M
YoY Change 2.27% -10.82% 22.41%
Income Tax $989.0K $2.800M $5.046M
% Of Pretax Income 2.96% 8.67% 15.44%
Net Earnings $32.44M $29.53M $27.64M
YoY Change 17.36% -6.46% 128.96%
Net Earnings / Revenue 19.45% 17.49% 18.01%
Basic Earnings Per Share $0.75 $0.68 $0.65
Diluted Earnings Per Share $0.70 $0.64 $0.61
COMMON SHARES
Basic Shares Outstanding 43.44M 43.31M
Diluted Shares Outstanding 46.50M 45.83M 45.06M

Balance Sheet

Concept 2019 Q4 2019 Q3 2018 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments $455.4M $418.7M $377.3M
YoY Change 20.7% 20.39% 26.15%
Cash & Equivalents $173.0M $205.2M $172.7M
Short-Term Investments $282.4M $213.5M $204.6M
Other Short-Term Assets $19.61M $16.66M $11.93M
YoY Change 64.32% 29.39% -6.51%
Inventory $127.5M $135.6M $136.4M
Prepaid Expenses $7.991M $4.024M $3.425M
Receivables $52.70M $58.30M $55.20M
Other Receivables $8.600M $7.800M $6.200M
Total Short-Term Assets $655.2M $629.3M $580.8M
YoY Change 12.81% 12.9% 29.31%
LONG-TERM ASSETS
Property, Plant & Equipment $228.3M $217.0M $150.0M
YoY Change 52.21% 47.15% 3.71%
Goodwill $6.571M $6.571M $6.571M
YoY Change 0.0% 0.0% 0.0%
Intangibles $111.0K
YoY Change -88.33%
Long-Term Investments $3.100M $3.300M $3.200M
YoY Change -3.13% -37.74% -39.62%
Other Assets $49.09M $43.34M $35.98M
YoY Change 36.44% 30.27% 19.66%
Total Long-Term Assets $301.2M $286.8M $212.6M
YoY Change 41.65% 39.41% 4.53%
TOTAL ASSETS
Total Short-Term Assets $655.2M $629.3M $580.8M
Total Long-Term Assets $301.2M $286.8M $212.6M
Total Assets $956.4M $916.1M $793.4M
YoY Change 20.54% 20.05% 21.59%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $27.27M $30.32M $22.68M
YoY Change 20.25% 9.84% -0.59%
Accrued Expenses $44.79M $45.98M $38.96M
YoY Change 14.96% 31.73% 41.64%
Deferred Revenue $3.412M $4.160M $2.520M
YoY Change 35.4% -46.86%
Short-Term Debt $0.00 $0.00 $0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities $98.23M $105.0M $80.44M
YoY Change 22.11% 22.83% 22.03%
LONG-TERM LIABILITIES
Long-Term Debt $0.00 $0.00 $0.00
YoY Change
Other Long-Term Liabilities $47.06M $44.28M $38.53M
YoY Change 22.16% 21.94% 16.66%
Total Long-Term Liabilities $47.06M $44.28M $38.53M
YoY Change 22.16% 21.94% 16.66%
TOTAL LIABILITIES
Total Short-Term Liabilities $98.23M $105.0M $80.44M
Total Long-Term Liabilities $47.06M $44.28M $38.53M
Total Liabilities $182.9M $181.7M $153.3M
YoY Change 19.27% 18.77% 17.45%
SHAREHOLDERS EQUITY
Retained Earnings $229.5M $215.7M $194.7M
YoY Change 17.83% 19.29% 35.6%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $773.5M $734.4M $640.1M
YoY Change
Total Liabilities & Shareholders Equity $956.4M $916.1M $793.4M
YoY Change 20.54% 20.05% 21.59%

Cashflow Statement

Concept 2019 Q4 2019 Q3 2018 Q4
OPERATING ACTIVITIES
Net Income $32.44M $29.53M $27.64M
YoY Change 17.36% -6.46% 128.96%
Depreciation, Depletion And Amortization $4.100M $3.800M $3.200M
YoY Change 28.12% 15.15% -20.0%
Cash From Operating Activities $61.00M $72.40M $47.60M
YoY Change 28.15% 38.7% -10.86%
INVESTING ACTIVITIES
Capital Expenditures -$8.700M -$9.500M -$4.400M
YoY Change 97.73% 86.27% -89.19%
Acquisitions
YoY Change
Other Investing Activities -$70.30M -$36.50M $11.50M
YoY Change -711.3% -376.52% -144.92%
Cash From Investing Activities -$79.00M -$46.00M $7.100M
YoY Change -1212.68% -667.9% -110.71%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities -17.10M -14.30M -12.90M
YoY Change 32.56% 34.91% 50.0%
NET CHANGE
Cash From Operating Activities 61.00M 72.40M 47.60M
Cash From Investing Activities -79.00M -46.00M 7.100M
Cash From Financing Activities -17.10M -14.30M -12.90M
Net Change In Cash -35.10M 12.10M 41.80M
YoY Change -183.97% -75.65% -294.42%
FREE CASH FLOW
Cash From Operating Activities $61.00M $72.40M $47.60M
Capital Expenditures -$8.700M -$9.500M -$4.400M
Free Cash Flow $69.70M $81.90M $52.00M
YoY Change 34.04% 42.93% -44.74%

Facts In Submission

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CY2019Q3 us-gaap Stockholders Equity
StockholdersEquity
734428000 USD
us-gaap Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
3028000 USD
us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
45787000 USD
CY2018Q3 us-gaap Cumulative Effect Of New Accounting Principle In Period Of Adoption
CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
379000 USD
CY2018Q3 us-gaap Stockholders Equity
StockholdersEquity
610164000 USD
us-gaap Net Income Loss
NetIncomeLoss
76402000 USD
us-gaap Net Income Loss
NetIncomeLoss
77630000 USD
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
10817000 USD
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
9058000 USD
us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
282000 USD
us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
-0 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-384000 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-1122000 USD
mpwr Gain Loss On Deferred Compensation Plan Investments Cash Flow
GainLossOnDeferredCompensationPlanInvestmentsCashFlow
2630000 USD
mpwr Gain Loss On Deferred Compensation Plan Investments Cash Flow
GainLossOnDeferredCompensationPlanInvestmentsCashFlow
949000 USD
us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
-18000 USD
us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
3169000 USD
us-gaap Share Based Compensation
ShareBasedCompensation
60019000 USD
us-gaap Share Based Compensation
ShareBasedCompensation
45765000 USD
us-gaap Increase Decrease In Receivables
IncreaseDecreaseInReceivables
3048000 USD
us-gaap Increase Decrease In Receivables
IncreaseDecreaseInReceivables
22752000 USD
us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
-754000 USD
us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
37496000 USD
us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
5849000 USD
us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
665000 USD
us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
7173000 USD
us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
5978000 USD
us-gaap Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
10328000 USD
us-gaap Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
7838000 USD
us-gaap Increase Decrease In Other Accrued Liabilities
IncreaseDecreaseInOtherAccruedLiabilities
7453000 USD
us-gaap Increase Decrease In Other Accrued Liabilities
IncreaseDecreaseInOtherAccruedLiabilities
4635000 USD
us-gaap Increase Decrease In Accrued Income Taxes Payable
IncreaseDecreaseInAccruedIncomeTaxesPayable
-6186000 USD
CY2018Q3 mpwr Dividends And Dividend Equivalents Accrued
DividendsAndDividendEquivalentsAccrued
15397000 USD
us-gaap Increase Decrease In Accrued Income Taxes Payable
IncreaseDecreaseInAccruedIncomeTaxesPayable
528000 USD
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
155317000 USD
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
93861000 USD
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
87129000 USD
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
18057000 USD
mpwr Payments To Acquire In Place Leases
PaymentsToAcquireInPlaceLeases
981000 USD
mpwr Payments To Acquire In Place Leases
PaymentsToAcquireInPlaceLeases
-0 USD
us-gaap Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
106409000 USD
us-gaap Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
86021000 USD
us-gaap Proceeds From Sale Of Short Term Investments
ProceedsFromSaleOfShortTermInvestments
98814000 USD
us-gaap Proceeds From Sale Of Short Term Investments
ProceedsFromSaleOfShortTermInvestments
83679000 USD
us-gaap Proceeds From Sale Of Longterm Investments
ProceedsFromSaleOfLongtermInvestments
125000 USD
us-gaap Proceeds From Sale Of Longterm Investments
ProceedsFromSaleOfLongtermInvestments
0 USD
us-gaap Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
9268000 USD
us-gaap Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
0 USD
mpwr Contributions Made To Deferred Compensation Plan
ContributionsMadeToDeferredCompensationPlan
1797000 USD
mpwr Contributions Made To Deferred Compensation Plan
ContributionsMadeToDeferredCompensationPlan
1396000 USD
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-88109000 USD
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-21795000 USD
mpwr Property And Equipment Purchased On Extended Payment Terms
PropertyAndEquipmentPurchasedOnExtendedPaymentTerms
204000 USD
mpwr Property And Equipment Purchased On Extended Payment Terms
PropertyAndEquipmentPurchasedOnExtendedPaymentTerms
-0 USD
us-gaap Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans
ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
14561000 USD
us-gaap Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans
ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
9684000 USD
us-gaap Proceeds From Stock Plans
ProceedsFromStockPlans
3277000 USD
us-gaap Proceeds From Stock Plans
ProceedsFromStockPlans
3028000 USD
us-gaap Payments Of Dividends
PaymentsOfDividends
48641000 USD
us-gaap Payments Of Dividends
PaymentsOfDividends
34381000 USD
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-31007000 USD
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-21669000 USD
us-gaap Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
-2516000 USD
us-gaap Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
-2062000 USD
us-gaap Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
33685000 USD
us-gaap Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
48335000 USD
CY2018Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
172818000 USD
CY2017Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
82874000 USD
CY2019Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
206503000 USD
CY2018Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
131209000 USD
us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
9472000 USD
us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
6388000 USD
us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
4969000 USD
us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
1563000 USD
CY2019Q3 mpwr Dividends And Dividend Equivalents Accrued
DividendsAndDividendEquivalentsAccrued
20866000 USD
mpwr Lapse Period For Consignment
LapsePeriodForConsignment
P60D
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
582000
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
101.89
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
902000
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
48.61
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
56000
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
53.06
CY2019Q3 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
58300000 USD
CY2018Q4 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
55200000 USD
CY2019Q3 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
21300000 USD
CY2018Q3 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
14843000 USD
us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
60019000 USD
us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
45765000 USD
CY2019Q3 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
595000 USD
CY2018Q3 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
764000 USD
us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
2139000 USD
us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
2723000 USD
CY2018Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
4633000
CY2018Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
50.94
CY2019Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
4257000
CY2019Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
58.38
CY2019Q3 us-gaap Inventory Raw Materials Net Of Reserves
InventoryRawMaterialsNetOfReserves
27001000 USD
CY2018Q4 us-gaap Inventory Raw Materials Net Of Reserves
InventoryRawMaterialsNetOfReserves
43017000 USD
CY2019Q3 us-gaap Inventory Work In Process Net Of Reserves
InventoryWorkInProcessNetOfReserves
43076000 USD
CY2018Q4 us-gaap Inventory Work In Process Net Of Reserves
InventoryWorkInProcessNetOfReserves
38674000 USD
CY2019Q3 us-gaap Inventory Finished Goods Net Of Reserves
InventoryFinishedGoodsNetOfReserves
65557000 USD
CY2018Q4 us-gaap Inventory Finished Goods Net Of Reserves
InventoryFinishedGoodsNetOfReserves
54693000 USD
CY2019Q3 us-gaap Inventory Net
InventoryNet
135634000 USD
CY2018Q4 us-gaap Inventory Net
InventoryNet
136384000 USD
CY2019Q3 mpwr Dividends And Dividend Equivalents
DividendsAndDividendEquivalents
21895000 USD
CY2018Q4 mpwr Dividends And Dividend Equivalents
DividendsAndDividendEquivalents
15044000 USD
CY2019Q3 mpwr Tax Withholding Share Based Payment Arrangement Proceeds Receivable
TaxWithholdingShareBasedPaymentArrangementProceedsReceivable
5331000 USD
CY2018Q4 mpwr Tax Withholding Share Based Payment Arrangement Proceeds Receivable
TaxWithholdingShareBasedPaymentArrangementProceedsReceivable
39000 USD
CY2019Q3 us-gaap Prepaid Expense Current
PrepaidExpenseCurrent
4024000 USD
CY2018Q4 us-gaap Prepaid Expense Current
PrepaidExpenseCurrent
3425000 USD
CY2019Q3 mpwr Product Return Assets Current
ProductReturnAssetsCurrent
2261000 USD
CY2018Q4 mpwr Product Return Assets Current
ProductReturnAssetsCurrent
1602000 USD
CY2019Q3 us-gaap Interest Receivable Current
InterestReceivableCurrent
1869000 USD
CY2018Q4 us-gaap Interest Receivable Current
InterestReceivableCurrent
1441000 USD
CY2019Q3 us-gaap Value Added Tax Receivable Current
ValueAddedTaxReceivableCurrent
628000 USD
CY2018Q4 us-gaap Value Added Tax Receivable Current
ValueAddedTaxReceivableCurrent
423000 USD
CY2019Q3 mpwr Refund Receivable
RefundReceivable
0 USD
CY2018Q4 mpwr Refund Receivable
RefundReceivable
4297000 USD
CY2019Q3 us-gaap Other Assets Miscellaneous Current
OtherAssetsMiscellaneousCurrent
2547000 USD
CY2018Q4 us-gaap Other Assets Miscellaneous Current
OtherAssetsMiscellaneousCurrent
704000 USD
CY2019Q3 us-gaap Other Assets Current
OtherAssetsCurrent
16660000 USD
CY2018Q4 us-gaap Other Assets Current
OtherAssetsCurrent
11931000 USD
CY2019Q3 us-gaap Deferred Compensation Plan Assets
DeferredCompensationPlanAssets
36397000 USD
CY2018Q4 us-gaap Deferred Compensation Plan Assets
DeferredCompensationPlanAssets
31970000 USD
CY2019Q3 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
3102000 USD
CY2018Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
0 USD
CY2019Q3 us-gaap Prepaid Expense Other Noncurrent
PrepaidExpenseOtherNoncurrent
2274000 USD
CY2018Q4 us-gaap Prepaid Expense Other Noncurrent
PrepaidExpenseOtherNoncurrent
2713000 USD
CY2019Q3 us-gaap Other Assets Miscellaneous Noncurrent
OtherAssetsMiscellaneousNoncurrent
1570000 USD
CY2018Q4 us-gaap Other Assets Miscellaneous Noncurrent
OtherAssetsMiscellaneousNoncurrent
1296000 USD
CY2019Q3 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
43343000 USD
CY2018Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
35979000 USD
CY2019Q3 mpwr Stock Rotation Reserve And Accrued Sales Returns
StockRotationReserveAndAccruedSalesReturns
7884000 USD
CY2018Q4 mpwr Stock Rotation Reserve And Accrued Sales Returns
StockRotationReserveAndAccruedSalesReturns
5363000 USD
CY2019Q3 us-gaap Contract With Customer Liability Current
ContractWithCustomerLiabilityCurrent
4160000 USD
CY2018Q4 us-gaap Contract With Customer Liability Current
ContractWithCustomerLiabilityCurrent
2520000 USD
CY2019Q3 us-gaap Accrued Income Taxes Current
AccruedIncomeTaxesCurrent
2778000 USD
CY2018Q4 us-gaap Accrued Income Taxes Current
AccruedIncomeTaxesCurrent
7018000 USD
CY2019Q3 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
1318000 USD
CY2018Q4 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
0 USD
CY2019Q3 us-gaap Product Warranty Accrual Classified Current
ProductWarrantyAccrualClassifiedCurrent
1267000 USD
CY2018Q4 us-gaap Product Warranty Accrual Classified Current
ProductWarrantyAccrualClassifiedCurrent
4564000 USD
CY2019Q3 us-gaap Accrued Sales Commission Current
AccruedSalesCommissionCurrent
976000 USD
CY2018Q4 us-gaap Accrued Sales Commission Current
AccruedSalesCommissionCurrent
1369000 USD
CY2019Q3 us-gaap Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
5706000 USD
CY2018Q4 us-gaap Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
3084000 USD
CY2019Q3 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
45984000 USD
CY2018Q4 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
38962000 USD
CY2019Q3 us-gaap Deferred Compensation Liability Classified Noncurrent
DeferredCompensationLiabilityClassifiedNoncurrent
36968000 USD
CY2018Q4 us-gaap Deferred Compensation Liability Classified Noncurrent
DeferredCompensationLiabilityClassifiedNoncurrent
32283000 USD
CY2019Q3 mpwr Dividend Equivalents Noncurrent
DividendEquivalentsNoncurrent
6091000 USD
CY2018Q4 mpwr Dividend Equivalents Noncurrent
DividendEquivalentsNoncurrent
6145000 USD
CY2019Q3 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
1190000 USD
CY2018Q4 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
0 USD
CY2019Q3 us-gaap Other Accrued Liabilities Noncurrent
OtherAccruedLiabilitiesNoncurrent
30000 USD
CY2018Q4 us-gaap Other Accrued Liabilities Noncurrent
OtherAccruedLiabilitiesNoncurrent
97000 USD
CY2019Q3 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
44279000 USD
CY2018Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
38525000 USD
CY2019Q1 us-gaap Payments To Acquire Real Estate
PaymentsToAcquireRealEstate
52900000 USD
CY2019Q1 mpwr Real Estate Capitalized Transaction Costs
RealEstateCapitalizedTransactionCosts
400000 USD
CY2019Q3 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
3100000 USD
CY2019Q3 us-gaap Operating Lease Liability
OperatingLeaseLiability
2500000 USD
CY2019Q3 us-gaap Lessee Operating Lease Liability Payments Due Year Two
LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
1241000 USD
CY2019Q3 us-gaap Operating Lease Cost
OperatingLeaseCost
377000 USD
us-gaap Operating Lease Cost
OperatingLeaseCost
1013000 USD
CY2019Q3 us-gaap Short Term Lease Cost
ShortTermLeaseCost
102000 USD
us-gaap Short Term Lease Cost
ShortTermLeaseCost
394000 USD
CY2019Q3 us-gaap Lease Cost
LeaseCost
479000 USD
us-gaap Lease Cost
LeaseCost
1407000 USD
CY2019Q3 us-gaap Operating Lease Payments
OperatingLeasePayments
299000 USD
us-gaap Operating Lease Payments
OperatingLeasePayments
1026000 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
3450000 USD
CY2019Q3 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P2Y3M18D
CY2019Q3 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.039 pure
CY2019Q1 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
2200000 USD
CY2019Q3 us-gaap Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
364000 USD
CY2019Q3 us-gaap Lessee Operating Lease Liability Payments Due Year Three
LesseeOperatingLeaseLiabilityPaymentsDueYearThree
634000 USD
CY2019Q3 us-gaap Lessee Operating Lease Liability Payments Due Year Four
LesseeOperatingLeaseLiabilityPaymentsDueYearFour
379000 USD
CY2019Q3 us-gaap Lessee Operating Lease Liability Payments Due Year Five
LesseeOperatingLeaseLiabilityPaymentsDueYearFive
22000 USD
CY2019Q3 us-gaap Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
2640000 USD
CY2019Q3 us-gaap Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
132000 USD
CY2019Q3 us-gaap Operating Lease Liability
OperatingLeaseLiability
2508000 USD
CY2019Q3 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
1318000 USD
CY2019Q3 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
1190000 USD
CY2019Q3 us-gaap Operating Lease Lease Income Lease Payments
OperatingLeaseLeaseIncomeLeasePayments
500000 USD
us-gaap Operating Lease Lease Income Lease Payments
OperatingLeaseLeaseIncomeLeasePayments
1300000 USD
CY2019Q3 us-gaap Lessor Operating Lease Payments To Be Received Remainder Of Fiscal Year
LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear
279000 USD
CY2019Q3 us-gaap Lessor Operating Lease Payments To Be Received Two Years
LessorOperatingLeasePaymentsToBeReceivedTwoYears
1539000 USD
CY2019Q3 us-gaap Lessor Operating Lease Payments To Be Received Three Years
LessorOperatingLeasePaymentsToBeReceivedThreeYears
1384000 USD
CY2019Q3 us-gaap Lessor Operating Lease Payments To Be Received Four Years
LessorOperatingLeasePaymentsToBeReceivedFourYears
1136000 USD
CY2019Q3 us-gaap Lessor Operating Lease Payments To Be Received Five Years
LessorOperatingLeasePaymentsToBeReceivedFiveYears
602000 USD
CY2019Q3 us-gaap Lessor Operating Lease Payments To Be Received Thereafter
LessorOperatingLeasePaymentsToBeReceivedThereafter
597000 USD
CY2019Q3 us-gaap Lessor Operating Lease Payments To Be Received
LessorOperatingLeasePaymentsToBeReceived
5537000 USD
CY2019Q3 us-gaap Net Income Loss
NetIncomeLoss
29528000 USD
CY2018Q3 us-gaap Net Income Loss
NetIncomeLoss
31568000 USD
us-gaap Net Income Loss
NetIncomeLoss
76402000 USD
us-gaap Net Income Loss
NetIncomeLoss
77630000 USD
CY2019Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
43308000
CY2018Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
42362000
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
43055000
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
42173000
CY2019Q3 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
2525000
CY2018Q3 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
2307000
us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
2461000
us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
2277000
CY2019Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
45833000
CY2018Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
44669000
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
45516000
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
44450000
CY2019Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.68
CY2018Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.75
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.77
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.84
CY2019Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.64
CY2018Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.71
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.68
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.75
us-gaap Number Of Reportable Segments
NumberOfReportableSegments
1 pure
CY2019Q2 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
1748000 USD
CY2018Q2 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
3951000 USD
CY2018Q4 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
4564000 USD
CY2017Q4 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
2416000 USD
CY2019Q3 us-gaap Standard Product Warranty Accrual Warranties Issued
StandardProductWarrantyAccrualWarrantiesIssued
92000 USD
CY2018Q3 us-gaap Standard Product Warranty Accrual Warranties Issued
StandardProductWarrantyAccrualWarrantiesIssued
3840000 USD
us-gaap Standard Product Warranty Accrual Warranties Issued
StandardProductWarrantyAccrualWarrantiesIssued
671000 USD
us-gaap Standard Product Warranty Accrual Warranties Issued
StandardProductWarrantyAccrualWarrantiesIssued
5654000 USD
CY2019Q3 us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
326000 USD
CY2018Q3 us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
36000 USD
us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
2625000 USD
us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
100000 USD
CY2019Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
168813000 USD
CY2018Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
159975000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
461183000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
428885000 USD
CY2019Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
168813000 USD
CY2018Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
159975000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
461183000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
428885000 USD
CY2019Q3 us-gaap Noncurrent Assets
NoncurrentAssets
217043000 USD
CY2018Q4 us-gaap Noncurrent Assets
NoncurrentAssets
150001000 USD
CY2019Q3 us-gaap Product Warranty Accrual Preexisting Increase Decrease
ProductWarrantyAccrualPreexistingIncreaseDecrease
247000 USD
CY2018Q3 us-gaap Product Warranty Accrual Preexisting Increase Decrease
ProductWarrantyAccrualPreexistingIncreaseDecrease
2821000 USD
us-gaap Product Warranty Accrual Preexisting Increase Decrease
ProductWarrantyAccrualPreexistingIncreaseDecrease
1343000 USD
us-gaap Product Warranty Accrual Preexisting Increase Decrease
ProductWarrantyAccrualPreexistingIncreaseDecrease
3036000 USD
CY2019Q3 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
1267000 USD
CY2018Q3 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
4934000 USD
CY2019Q3 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
1267000 USD
CY2018Q3 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
4934000 USD
CY2019Q3 us-gaap Purchase Obligation
PurchaseObligation
70900000 USD
CY2019Q3 us-gaap Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
300000 USD
CY2018Q4 us-gaap Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
1600000 USD
CY2019Q3 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
205229000 USD
CY2018Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
172704000 USD
CY2019Q3 us-gaap Restricted Cash And Cash Equivalents At Carrying Value
RestrictedCashAndCashEquivalentsAtCarryingValue
1161000 USD
CY2019Q3 us-gaap Cash
Cash
162741000 USD
CY2018Q4 us-gaap Cash
Cash
131569000 USD
CY2019Q3 us-gaap Money Market Funds At Carrying Value
MoneyMarketFundsAtCarryingValue
39982000 USD
CY2018Q4 us-gaap Money Market Funds At Carrying Value
MoneyMarketFundsAtCarryingValue
41135000 USD
CY2019Q3 us-gaap Us Government Securities At Carrying Value
USGovernmentSecuritiesAtCarryingValue
20350000 USD
CY2018Q4 us-gaap Us Government Securities At Carrying Value
USGovernmentSecuritiesAtCarryingValue
32068000 USD
CY2018Q4 us-gaap Certificates Of Deposit At Carrying Value
CertificatesOfDepositAtCarryingValue
1600000 USD
CY2019Q3 mpwr Cash Cash Equivalents And Investments
CashCashEquivalentsAndInvestments
422004000 USD
CY2018Q4 mpwr Cash Cash Equivalents And Investments
CashCashEquivalentsAndInvestments
380522000 USD
CY2019Q3 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
205229000 USD
CY2018Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
172704000 USD
CY2019Q3 us-gaap Short Term Investments
ShortTermInvestments
213511000 USD
CY2018Q4 us-gaap Short Term Investments
ShortTermInvestments
204577000 USD
CY2019Q3 us-gaap Long Term Investments
LongTermInvestments
3264000 USD
CY2018Q4 us-gaap Long Term Investments
LongTermInvestments
3241000 USD
CY2019Q3 mpwr Cash Cash Equivalents And Investments
CashCashEquivalentsAndInvestments
422004000 USD
CY2018Q4 mpwr Cash Cash Equivalents And Investments
CashCashEquivalentsAndInvestments
380522000 USD
CY2019Q3 us-gaap Available For Sale Securities Debt Maturities Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
142336000 USD
CY2018Q4 us-gaap Available For Sale Securities Debt Maturities Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
125845000 USD
CY2019Q3 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
71175000 USD
CY2018Q4 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
78732000 USD
CY2019Q3 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
3264000 USD
CY2018Q4 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
3241000 USD
CY2019Q3 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
216775000 USD
CY2018Q4 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
207818000 USD
CY2019Q3 us-gaap Available For Sale Securities Amortized Cost
AvailableForSaleSecuritiesAmortizedCost
259239000 USD
CY2019Q3 us-gaap Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
335000 USD
CY2019Q3 us-gaap Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
311000 USD
CY2019Q3 us-gaap Available For Sale Securities
AvailableForSaleSecurities
259263000 USD
CY2019Q3 us-gaap Available For Sale Securities Continuous Unrealized Loss Position Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
94509000 USD
CY2018Q4 us-gaap Available For Sale Securities Amortized Cost
AvailableForSaleSecuritiesAmortizedCost
250800000 USD
CY2018Q4 us-gaap Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
9000 USD
CY2018Q4 us-gaap Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
1856000 USD
CY2018Q4 us-gaap Available For Sale Securities
AvailableForSaleSecurities
248953000 USD
CY2018Q4 us-gaap Available For Sale Securities Continuous Unrealized Loss Position Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
197952000 USD
CY2018Q4 us-gaap Restricted Cash And Cash Equivalents At Carrying Value
RestrictedCashAndCashEquivalentsAtCarryingValue
0 USD
CY2019Q3 us-gaap Restricted Cash And Cash Equivalents Noncurrent
RestrictedCashAndCashEquivalentsNoncurrent
113000 USD
CY2018Q4 us-gaap Restricted Cash And Cash Equivalents Noncurrent
RestrictedCashAndCashEquivalentsNoncurrent
114000 USD
CY2019Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
206503000 USD
CY2018Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
172818000 USD
CY2019Q3 us-gaap Assets Fair Value Disclosure
AssetsFairValueDisclosure
279231000 USD
CY2018Q4 us-gaap Assets Fair Value Disclosure
AssetsFairValueDisclosure
267820000 USD
CY2019Q3 us-gaap Deferred Compensation Plan Assets
DeferredCompensationPlanAssets
36397000 USD
CY2018Q4 us-gaap Deferred Compensation Plan Assets
DeferredCompensationPlanAssets
31970000 USD
CY2019Q3 us-gaap Deferred Compensation Liability Current And Noncurrent
DeferredCompensationLiabilityCurrentAndNoncurrent
37393000 USD
CY2018Q4 us-gaap Deferred Compensation Liability Current And Noncurrent
DeferredCompensationLiabilityCurrentAndNoncurrent
32730000 USD
CY2019Q3 us-gaap Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
1850000 USD
CY2018Q3 us-gaap Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
1583000 USD
us-gaap Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
5207000 USD
us-gaap Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
4606000 USD
CY2019Q3 us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-168000 USD
CY2018Q3 us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-314000 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-384000 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-1122000 USD
CY2019Q3 mpwr Gain Loss On Deferred Compensation Plan Investments
GainLossOnDeferredCompensationPlanInvestments
74000 USD
CY2018Q3 mpwr Gain Loss On Deferred Compensation Plan Investments
GainLossOnDeferredCompensationPlanInvestments
717000 USD
mpwr Gain Loss On Deferred Compensation Plan Investments
GainLossOnDeferredCompensationPlanInvestments
2630000 USD
mpwr Gain Loss On Deferred Compensation Plan Investments
GainLossOnDeferredCompensationPlanInvestments
949000 USD
CY2019Q3 us-gaap Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
175000 USD
CY2018Q3 us-gaap Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
700000 USD
us-gaap Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
47000 USD
us-gaap Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
915000 USD
CY2019Q3 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
326000 USD
CY2018Q3 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
28000 USD
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
327000 USD
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
39000 USD
CY2019Q3 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
2257000 USD
CY2018Q3 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
2714000 USD
us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
7827000 USD
us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
5387000 USD
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
CY2018Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
4600000 USD
CY2018Q3 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.128 pure
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
8200000 USD
us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.095 pure
CY2019Q3 mpwr Gilti Income
GILTIIncome
13000000.0 USD
mpwr Gilti Income
GILTIIncome
38500000 USD
CY2018Q3 mpwr Gilti Income
GILTIIncome
18400000 USD
mpwr Gilti Income
GILTIIncome
46200000 USD
CY2019Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.40
CY2018Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.30
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.20
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.90
CY2019Q3 us-gaap Dividends Common Stock
DividendsCommonStock
17341000 USD
CY2018Q3 us-gaap Dividends Common Stock
DividendsCommonStock
12722000 USD
us-gaap Dividends Common Stock
DividendsCommonStock
51782000 USD
us-gaap Dividends Common Stock
DividendsCommonStock
38052000 USD
CY2019Q3 us-gaap Dividends Payable Current
DividendsPayableCurrent
17300000 USD
CY2018Q4 us-gaap Dividends Payable Current
DividendsPayableCurrent
12800000 USD
CY2019Q3 mpwr Accrued Dividend Equivalents
AccruedDividendEquivalents
10600000 USD
CY2018Q4 mpwr Accrued Dividend Equivalents
AccruedDividendEquivalents
8400000 USD

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