2021 Q4 Form 10-Q Financial Statement

#000143774921025711 Filed on November 08, 2021

View on sec.gov

Income Statement

Concept 2021 Q4 2021 Q3 2020 Q3
Revenue $336.5M $323.5M $259.4M
YoY Change 44.42% 24.71% 53.67%
Cost Of Revenue $142.6M $137.2M $116.4M
YoY Change 36.88% 17.9% 53.83%
Gross Profit $193.9M $186.3M $143.0M
YoY Change 50.41% 30.25% 53.55%
Gross Profit Margin 57.61% 57.59% 55.14%
Selling, General & Admin $61.21M $56.29M $43.50M
YoY Change 35.72% 29.4% 25.4%
% of Gross Profit 31.57% 30.21% 30.41%
Research & Development $54.51M $49.47M $37.72M
YoY Change 28.87% 31.16% 35.96%
% of Gross Profit 28.12% 26.55% 26.37%
Depreciation & Amortization $8.323M $7.727M $5.000M
YoY Change 54.13% 54.54% 31.58%
% of Gross Profit 4.29% 4.15% 3.5%
Operating Expenses $115.7M $109.2M $83.06M
YoY Change 32.41% 31.45% 31.58%
Operating Profit $78.15M $77.13M $59.98M
YoY Change 88.32% 28.6% 99.72%
Interest Expense $3.352M $3.050M $2.311M
YoY Change 86.22% 31.98% 24.92%
% of Operating Profit 4.29% 3.95% 3.85%
Other Income/Expense, Net $39.00K $793.0K $2.494M
YoY Change -98.56% -68.2% 10.5%
Pretax Income $81.96M $77.92M $62.47M
YoY Change 84.6% 24.73% 93.48%
Income Tax $9.292M $9.200M $6.900M
% Of Pretax Income 11.34% 11.81% 11.04%
Net Earnings $72.67M $68.77M $55.57M
YoY Change 69.4% 23.76% 88.18%
Net Earnings / Revenue 21.6% 21.26% 21.42%
Basic Earnings Per Share $1.50 $1.24
Diluted Earnings Per Share $1.506M $1.44 $1.18
COMMON SHARES
Basic Shares Outstanding 46.09M 45.97M 44.97M
Diluted Shares Outstanding 47.85M 46.96M

Balance Sheet

Concept 2021 Q4 2021 Q3 2020 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments $725.1M $742.0M $551.5M
YoY Change 21.84% 34.55% 31.72%
Cash & Equivalents $189.3M $226.1M $179.5M
Short-Term Investments $535.8M $515.9M $372.1M
Other Short-Term Assets $35.54M $34.54M $25.97M
YoY Change 54.66% 32.98% 55.88%
Inventory $259.4M $208.1M $148.1M
Prepaid Expenses $9.526M $10.64M $10.03M
Receivables $104.8M $79.90M $93.50M
Other Receivables $21.66M $20.17M $12.20M
Total Short-Term Assets $1.125B $1.064B $819.1M
YoY Change 33.59% 29.95% 30.17%
LONG-TERM ASSETS
Property, Plant & Equipment $363.0M $340.1M $270.3M
YoY Change 28.93% 25.8% 24.54%
Goodwill $6.571M $6.571M $6.571M
YoY Change 0.0% 0.0% 0.0%
Intangibles
YoY Change
Long-Term Investments $5.716M $2.900M
YoY Change 97.1% -12.12%
Other Assets $69.52M $67.05M $48.87M
YoY Change 16.19% 37.21% 12.75%
Total Long-Term Assets $461.0M $431.4M $342.2M
YoY Change 25.78% 26.09% 19.28%
TOTAL ASSETS
Total Short-Term Assets $1.125B $1.064B $819.1M
Total Long-Term Assets $461.0M $431.4M $342.2M
Total Assets $1.586B $1.496B $1.161B
YoY Change 31.22% 28.81% 26.76%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $83.03M $72.09M $48.14M
YoY Change 117.52% 49.75% 58.79%
Accrued Expenses $81.28M $79.76M $61.77M
YoY Change 29.1% 29.11% 34.34%
Deferred Revenue $4.300M $6.690M $6.442M
YoY Change -40.59% 3.85% 54.86%
Short-Term Debt $0.00 $0.00 $0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities $226.9M $227.7M $158.3M
YoY Change 54.42% 43.84% 50.7%
LONG-TERM LIABILITIES
Long-Term Debt $0.00 $0.00 $0.00
YoY Change
Other Long-Term Liabilities $67.23M $64.51M $52.82M
YoY Change 16.16% 22.12% 19.3%
Total Long-Term Liabilities $67.23M $64.51M $52.82M
YoY Change 16.16% 22.12% 19.3%
TOTAL LIABILITIES
Total Short-Term Liabilities $226.9M $227.7M $158.3M
Total Long-Term Liabilities $67.23M $64.51M $52.82M
Total Liabilities $341.8M $333.2M $246.7M
YoY Change 41.31% 35.04% 35.78%
SHAREHOLDERS EQUITY
Retained Earnings $424.9M $381.2M $279.7M
YoY Change 42.22% 36.31% 29.65%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $1.244B $1.163B $914.6M
YoY Change
Total Liabilities & Shareholders Equity $1.586B $1.496B $1.161B
YoY Change 31.22% 28.81% 26.76%

Cashflow Statement

Concept 2021 Q4 2021 Q3 2020 Q3
OPERATING ACTIVITIES
Net Income $72.67M $68.77M $55.57M
YoY Change 69.4% 23.76% 88.18%
Depreciation, Depletion And Amortization $8.323M $7.727M $5.000M
YoY Change 54.13% 54.54% 31.58%
Cash From Operating Activities $28.21M $117.8M $77.50M
YoY Change -64.57% 52.0% 7.04%
INVESTING ACTIVITIES
Capital Expenditures -$17.60M -$19.37M -$19.70M
YoY Change 54.35% -1.65% 107.37%
Acquisitions
YoY Change
Other Investing Activities -$22.15M -$67.56M -$17.70M
YoY Change -120.94% 281.67% -51.51%
Cash From Investing Activities -$39.75M -$86.93M -$37.30M
YoY Change -142.2% 133.06% -18.91%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities -27.25M -24.81M -19.30M
YoY Change 23.86% 28.54% 34.97%
NET CHANGE
Cash From Operating Activities 28.21M 117.8M 77.50M
Cash From Investing Activities -39.75M -86.93M -37.30M
Cash From Financing Activities -27.25M -24.81M -19.30M
Net Change In Cash -38.79M 6.063M 20.90M
YoY Change -125.55% -70.99% 72.73%
FREE CASH FLOW
Cash From Operating Activities $28.21M $117.8M $77.50M
Capital Expenditures -$17.60M -$19.37M -$19.70M
Free Cash Flow $45.80M $137.2M $97.20M
YoY Change -49.67% 41.13% 18.68%

Facts In Submission

Frame Concept Type Concept / XBRL Key Value Unit
CY2020Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.50
CY2021Q4 dei Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
46093000
CY2021Q3 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
USD
CY2020Q4 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
USD
CY2021Q3 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.001
CY2020Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.001
CY2021Q3 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
150000000
CY2020Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
150000000
CY2021Q3 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
46091000
CY2021Q3 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
46091000
CY2020Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
45267000
CY2020Q4 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
45267000
CY2021Q3 us-gaap Other Comprehensive Income Loss Available For Sale Securities Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
-32000 USD
CY2020Q3 us-gaap Other Comprehensive Income Loss Available For Sale Securities Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
-30000 USD
us-gaap Other Comprehensive Income Loss Available For Sale Securities Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
-177000 USD
us-gaap Other Comprehensive Income Loss Available For Sale Securities Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
321000 USD
CY2021Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.60
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.80
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.50
CY2021Q3 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
0 USD
CY2020Q4 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
0 USD
us-gaap Other Than Temporary Impairment Loss Debt Securities Available For Sale
OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale
0 USD
CY2020 us-gaap Other Than Temporary Impairment Loss Debt Securities Available For Sale
OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale
0 USD
CY2021Q3 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
226091000 USD
CY2020Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
334944000 USD
CY2020Q4 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
66843000 USD
CY2021Q3 us-gaap Short Term Investments
ShortTermInvestments
515947000 USD
CY2020Q4 us-gaap Short Term Investments
ShortTermInvestments
260169000 USD
CY2021Q3 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
79859000 USD
CY2021Q3 us-gaap Inventory Net
InventoryNet
208062000 USD
CY2020Q4 us-gaap Inventory Net
InventoryNet
157062000 USD
CY2021Q3 us-gaap Other Assets Current
OtherAssetsCurrent
34535000 USD
CY2020Q4 us-gaap Other Assets Current
OtherAssetsCurrent
22980000 USD
CY2021Q3 us-gaap Assets Current
AssetsCurrent
1064494000 USD
CY2020Q4 us-gaap Assets Current
AssetsCurrent
841998000 USD
CY2021Q3 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
340060000 USD
CY2020Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
281528000 USD
CY2021Q3 us-gaap Goodwill
Goodwill
6571000 USD
CY2020Q4 us-gaap Goodwill
Goodwill
6571000 USD
CY2021Q3 us-gaap Deferred Income Tax Assets Net
DeferredIncomeTaxAssetsNet
17726000 USD
CY2020Q4 us-gaap Deferred Income Tax Assets Net
DeferredIncomeTaxAssetsNet
18556000 USD
CY2021Q3 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
67050000 USD
CY2020Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
59838000 USD
CY2021Q3 us-gaap Assets
Assets
1495901000 USD
CY2020Q4 us-gaap Assets
Assets
1208491000 USD
CY2021Q3 us-gaap Accounts Payable Current
AccountsPayableCurrent
72092000 USD
CY2020Q4 us-gaap Accounts Payable Current
AccountsPayableCurrent
38169000 USD
CY2021Q3 us-gaap Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
75815000 USD
CY2020Q4 us-gaap Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
45840000 USD
CY2021Q3 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
79756000 USD
CY2020Q4 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
62960000 USD
CY2021Q3 us-gaap Liabilities Current
LiabilitiesCurrent
227663000 USD
CY2020Q4 us-gaap Liabilities Current
LiabilitiesCurrent
146969000 USD
CY2021Q3 us-gaap Accrued Income Taxes Noncurrent
AccruedIncomeTaxesNoncurrent
41019000 USD
CY2020Q4 us-gaap Accrued Income Taxes Noncurrent
AccruedIncomeTaxesNoncurrent
37062000 USD
CY2021Q3 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
64506000 USD
CY2020Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
57873000 USD
CY2021Q3 us-gaap Liabilities
Liabilities
333188000 USD
CY2020Q4 us-gaap Liabilities
Liabilities
241904000 USD
CY2021Q3 us-gaap Common Stocks Including Additional Paid In Capital
CommonStocksIncludingAdditionalPaidInCapital
769858000 USD
CY2020Q4 us-gaap Common Stocks Including Additional Paid In Capital
CommonStocksIncludingAdditionalPaidInCapital
657701000 USD
CY2021Q3 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
381193000 USD
CY2020Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
298746000 USD
CY2021Q3 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
11662000 USD
CY2020Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
10140000 USD
CY2021Q3 us-gaap Stockholders Equity
StockholdersEquity
1162713000 USD
CY2020Q4 us-gaap Stockholders Equity
StockholdersEquity
966587000 USD
CY2021Q3 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
1495901000 USD
CY2020Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
1208491000 USD
CY2021Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
323522000 USD
CY2020Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
259422000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
871294000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
611409000 USD
CY2021Q3 us-gaap Cost Of Revenue
CostOfRevenue
137211000 USD
CY2020Q3 us-gaap Cost Of Revenue
CostOfRevenue
116382000 USD
us-gaap Cost Of Revenue
CostOfRevenue
379709000 USD
us-gaap Cost Of Revenue
CostOfRevenue
274329000 USD
CY2021Q3 us-gaap Gross Profit
GrossProfit
186311000 USD
CY2020Q3 us-gaap Gross Profit
GrossProfit
143040000 USD
us-gaap Gross Profit
GrossProfit
491585000 USD
us-gaap Gross Profit
GrossProfit
337080000 USD
CY2021Q3 us-gaap Research And Development Expense Excluding Acquired In Process Cost
ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost
49468000 USD
CY2020Q3 us-gaap Research And Development Expense Excluding Acquired In Process Cost
ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost
37717000 USD
us-gaap Research And Development Expense Excluding Acquired In Process Cost
ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost
136113000 USD
us-gaap Research And Development Expense Excluding Acquired In Process Cost
ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost
95346000 USD
CY2021Q3 us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
56291000 USD
CY2020Q3 us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
43503000 USD
us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
164982000 USD
us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
116550000 USD
CY2021Q3 mpwr Litigation Expense Benefit Net
LitigationExpenseBenefitNet
3421000 USD
CY2020Q3 mpwr Litigation Expense Benefit Net
LitigationExpenseBenefitNet
1841000 USD
mpwr Litigation Expense Benefit Net
LitigationExpenseBenefitNet
6645000 USD
mpwr Litigation Expense Benefit Net
LitigationExpenseBenefitNet
6264000 USD
CY2021Q3 us-gaap Operating Expenses
OperatingExpenses
109180000 USD
CY2020Q3 us-gaap Operating Expenses
OperatingExpenses
83061000 USD
us-gaap Operating Expenses
OperatingExpenses
307740000 USD
us-gaap Operating Expenses
OperatingExpenses
218160000 USD
CY2021Q3 us-gaap Operating Income Loss
OperatingIncomeLoss
77131000 USD
CY2020Q3 us-gaap Operating Income Loss
OperatingIncomeLoss
59979000 USD
us-gaap Operating Income Loss
OperatingIncomeLoss
183845000 USD
us-gaap Operating Income Loss
OperatingIncomeLoss
118920000 USD
CY2021Q3 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
793000 USD
CY2020Q3 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
2494000 USD
us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
6411000 USD
us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
5980000 USD
CY2021Q3 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
77924000 USD
CY2020Q3 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
62473000 USD
us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
190256000 USD
us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
124900000 USD
CY2021Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
9154000 USD
CY2020Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
6907000 USD
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
20904000 USD
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
3412000 USD
CY2021Q3 us-gaap Net Income Loss
NetIncomeLoss
68770000 USD
CY2020Q3 us-gaap Net Income Loss
NetIncomeLoss
55566000 USD
us-gaap Net Income Loss
NetIncomeLoss
169352000 USD
us-gaap Net Income Loss
NetIncomeLoss
121488000 USD
CY2021Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.50
CY2020Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.24
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
3.70
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.72
CY2021Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.44
CY2020Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.18
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
3.55
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.59
CY2021Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
45970000
CY2020Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
44970000
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
45754000
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
44737000
CY2021Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
47852000
CY2020Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
46955000
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
47772000
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
46819000
CY2021Q3 us-gaap Net Income Loss
NetIncomeLoss
68770000 USD
CY2020Q3 us-gaap Net Income Loss
NetIncomeLoss
55566000 USD
us-gaap Net Income Loss
NetIncomeLoss
169352000 USD
us-gaap Net Income Loss
NetIncomeLoss
121488000 USD
CY2021Q3 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
-371000 USD
CY2020Q3 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
6936000 USD
CY2020Q2 us-gaap Stockholders Equity
StockholdersEquity
848945000 USD
CY2021Q2 us-gaap Stockholders Equity
StockholdersEquity
1087355000 USD
us-gaap Net Income Loss
NetIncomeLoss
169352000 USD
CY2021Q3 us-gaap Net Income Loss
NetIncomeLoss
68770000 USD
CY2021Q3 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-639000 USD
CY2021Q3 us-gaap Dividends
Dividends
28959000 USD
CY2021Q3 us-gaap Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures
StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
2227000 USD
CY2021Q3 us-gaap Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
2377000 USD
CY2021Q3 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
31582000 USD
CY2021Q3 us-gaap Stockholders Equity
StockholdersEquity
1162713000 USD
us-gaap Net Income Loss
NetIncomeLoss
121488000 USD
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
20376000 USD
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
13785000 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-3231000 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-1984000 USD
us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
2592000 USD
us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
5072000 USD
CY2021Q3 us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
-268000 USD
CY2020Q3 us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
-368000 USD
us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
-1070000 USD
us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
2888000 USD
CY2021Q3 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-639000 USD
CY2020Q3 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
6568000 USD
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
1522000 USD
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
7960000 USD
CY2021Q3 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
68131000 USD
CY2020Q3 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
62134000 USD
us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
170874000 USD
us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
129448000 USD
CY2020Q3 us-gaap Net Income Loss
NetIncomeLoss
55566000 USD
CY2020Q3 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
6568000 USD
CY2020Q3 us-gaap Dividends
Dividends
23777000 USD
CY2020Q3 us-gaap Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures
StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
2347000 USD
CY2020Q3 us-gaap Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
1927000 USD
CY2020Q3 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
22993000 USD
CY2020Q3 us-gaap Stockholders Equity
StockholdersEquity
914569000 USD
CY2020Q4 us-gaap Stockholders Equity
StockholdersEquity
966587000 USD
us-gaap Net Income Loss
NetIncomeLoss
169352000 USD
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
1522000 USD
us-gaap Dividends
Dividends
86905000 USD
us-gaap Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures
StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
15147000 USD
us-gaap Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
4670000 USD
us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
92340000 USD
CY2021Q3 us-gaap Stockholders Equity
StockholdersEquity
1162713000 USD
CY2019Q4 us-gaap Stockholders Equity
StockholdersEquity
773491000 USD
us-gaap Net Income Loss
NetIncomeLoss
121488000 USD
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
7960000 USD
us-gaap Dividends
Dividends
71285000 USD
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
mpwr Gain Loss On Deferred Compensation Plan Investments Cash Flow
GainLossOnDeferredCompensationPlanInvestmentsCashFlow
2640000 USD
mpwr Gain Loss On Deferred Compensation Plan Investments Cash Flow
GainLossOnDeferredCompensationPlanInvestmentsCashFlow
1420000 USD
us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
1004000 USD
us-gaap Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
3400000 USD
us-gaap Share Based Compensation
ShareBasedCompensation
92282000 USD
us-gaap Share Based Compensation
ShareBasedCompensation
62581000 USD
us-gaap Other Noncash Income Expense
OtherNoncashIncomeExpense
8000 USD
us-gaap Other Noncash Income Expense
OtherNoncashIncomeExpense
-15000 USD
us-gaap Increase Decrease In Receivables
IncreaseDecreaseInReceivables
13033000 USD
us-gaap Increase Decrease In Receivables
IncreaseDecreaseInReceivables
40826000 USD
us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
50968000 USD
us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
20533000 USD
us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
14051000 USD
us-gaap Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
6376000 USD
us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
30032000 USD
us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
19811000 USD
us-gaap Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
30030000 USD
us-gaap Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
21780000 USD
us-gaap Increase Decrease In Accrued Income Taxes Payable
IncreaseDecreaseInAccruedIncomeTaxesPayable
4088000 USD
us-gaap Increase Decrease In Accrued Income Taxes Payable
IncreaseDecreaseInAccruedIncomeTaxesPayable
-1805000 USD
us-gaap Increase Decrease In Other Accrued Liabilities
IncreaseDecreaseInOtherAccruedLiabilities
22109000 USD
us-gaap Increase Decrease In Other Accrued Liabilities
IncreaseDecreaseInOtherAccruedLiabilities
14271000 USD
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
291804000 USD
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
188155000 USD
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
76849000 USD
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
44129000 USD
us-gaap Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
354171000 USD
us-gaap Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
270797000 USD
us-gaap Proceeds From Sale Of Short Term Investments
ProceedsFromSaleOfShortTermInvestments
94192000 USD
us-gaap Proceeds From Sale Of Short Term Investments
ProceedsFromSaleOfShortTermInvestments
182355000 USD
us-gaap Proceeds From Sale Of Longterm Investments
ProceedsFromSaleOfLongtermInvestments
400000 USD
us-gaap Proceeds From Sale Of Longterm Investments
ProceedsFromSaleOfLongtermInvestments
250000 USD
mpwr Contributions Made To Deferred Compensation Plan
ContributionsMadeToDeferredCompensationPlan
1917000 USD
mpwr Contributions Made To Deferred Compensation Plan
ContributionsMadeToDeferredCompensationPlan
1116000 USD
us-gaap Payments To Acquire Intangible Assets
PaymentsToAcquireIntangibleAssets
793000 USD
us-gaap Payments To Acquire Intangible Assets
PaymentsToAcquireIntangibleAssets
-0 USD
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-339138000 USD
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-133437000 USD
mpwr Property And Equipment Purchased On Extended Payment Terms
PropertyAndEquipmentPurchasedOnExtendedPaymentTerms
2049000 USD
mpwr Property And Equipment Purchased On Extended Payment Terms
PropertyAndEquipmentPurchasedOnExtendedPaymentTerms
4437000 USD
us-gaap Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans
ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
15147000 USD
us-gaap Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans
ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans
16457000 USD
us-gaap Proceeds From Stock Plans
ProceedsFromStockPlans
4670000 USD
us-gaap Proceeds From Stock Plans
ProceedsFromStockPlans
3819000 USD
us-gaap Payments Of Dividends
PaymentsOfDividends
80725000 USD
us-gaap Payments Of Dividends
PaymentsOfDividends
65477000 USD
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-62957000 USD
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-49638000 USD
us-gaap Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
1431000 USD
us-gaap Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
1432000 USD
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-108860000 USD
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
6512000 USD
CY2020Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
335071000 USD
CY2019Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
173076000 USD
CY2021Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
226211000 USD
CY2020Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
179588000 USD
us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
16217000 USD
us-gaap Income Taxes Paid Net
IncomeTaxesPaidNet
1036000 USD
us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
7144000 USD
us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
9355000 USD
CY2021Q3 mpwr Dividends And Dividend Equivalents Accrued
DividendsAndDividendEquivalentsAccrued
31911000 USD
CY2020Q3 mpwr Dividends And Dividend Equivalents Accrued
DividendsAndDividendEquivalentsAccrued
26429000 USD
us-gaap Use Of Estimates
UseOfEstimates
<p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;"><b><i>Use of Estimates</i></b></p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">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. 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:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; margin: 0pt;">The COVID-<em style="font: inherit;">19</em> pandemic did <em style="font: inherit;">not</em> materially and adversely impact the Company's overall operating results or business operations during the <em style="font: inherit;">three</em> and <em style="font: inherit;">nine</em> months ended <em style="font: inherit;"> September 30, 2021. </em>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 related to the COVID-<em style="font: inherit;">19</em> pandemic 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, 2020</em><i>.</i> 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.</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p>
mpwr Lapse Period For Consignment
LapsePeriodForConsignment
P60D
CY2021Q3 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
79900000 USD
CY2020Q4 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
66800000 USD
CY2020 us-gaap Contract With Customer Liability Revenue Recognized
ContractWithCustomerLiabilityRevenueRecognized
7100000 USD
CY2021Q3 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
31572000 USD
CY2020Q3 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
22975000 USD
us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
92282000 USD
us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
62581000 USD
CY2021Q3 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
488000 USD
CY2020Q3 us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
512000 USD
us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
1299000 USD
us-gaap Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
1450000 USD
CY2020Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
3105000
CY2020Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
87.42
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
408000
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
354.79
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
807000
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
74.95
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
30000
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
118.31
CY2021Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
2676000
CY2021Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
131.68
CY2021Q3 us-gaap Share Price
SharePrice
484.68
CY2021Q1 us-gaap Share Price
SharePrice
374.57
CY2021Q3 us-gaap Inventory Raw Materials Net Of Reserves
InventoryRawMaterialsNetOfReserves
17254000 USD
CY2020Q4 us-gaap Inventory Raw Materials Net Of Reserves
InventoryRawMaterialsNetOfReserves
25503000 USD
CY2021Q3 us-gaap Inventory Work In Process Net Of Reserves
InventoryWorkInProcessNetOfReserves
112922000 USD
CY2020Q4 us-gaap Inventory Work In Process Net Of Reserves
InventoryWorkInProcessNetOfReserves
77100000 USD
CY2021Q3 us-gaap Inventory Finished Goods Net Of Reserves
InventoryFinishedGoodsNetOfReserves
77886000 USD
CY2020Q4 us-gaap Inventory Finished Goods Net Of Reserves
InventoryFinishedGoodsNetOfReserves
54459000 USD
CY2021Q3 us-gaap Inventory Net
InventoryNet
208062000 USD
CY2020Q4 us-gaap Inventory Net
InventoryNet
157062000 USD
CY2021Q3 mpwr Tax Withholding Share Based Payment Arrangement Proceeds Receivable
TaxWithholdingShareBasedPaymentArrangementProceedsReceivable
16075000 USD
CY2020Q4 mpwr Tax Withholding Share Based Payment Arrangement Proceeds Receivable
TaxWithholdingShareBasedPaymentArrangementProceedsReceivable
12504000 USD
CY2021Q3 us-gaap Prepaid Expense Current
PrepaidExpenseCurrent
10638000 USD
CY2020Q4 us-gaap Prepaid Expense Current
PrepaidExpenseCurrent
5032000 USD
CY2021Q3 us-gaap Interest Receivable Current
InterestReceivableCurrent
4094000 USD
CY2020Q4 us-gaap Interest Receivable Current
InterestReceivableCurrent
1914000 USD
CY2021Q3 mpwr Product Return Assets Current
ProductReturnAssetsCurrent
2059000 USD
CY2020Q4 mpwr Product Return Assets Current
ProductReturnAssetsCurrent
1684000 USD
CY2021Q3 us-gaap Other Assets Miscellaneous Current
OtherAssetsMiscellaneousCurrent
1669000 USD
CY2020Q4 us-gaap Other Assets Miscellaneous Current
OtherAssetsMiscellaneousCurrent
1846000 USD
CY2021Q3 us-gaap Other Assets Current
OtherAssetsCurrent
34535000 USD
CY2020Q4 us-gaap Other Assets Current
OtherAssetsCurrent
22980000 USD
CY2021Q3 us-gaap Deferred Compensation Plan Assets
DeferredCompensationPlanAssets
50641000 USD
CY2020Q4 us-gaap Deferred Compensation Plan Assets
DeferredCompensationPlanAssets
46146000 USD
CY2021Q3 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
6292000 USD
CY2020Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
3719000 USD
CY2021Q3 us-gaap Prepaid Expense Other Noncurrent
PrepaidExpenseOtherNoncurrent
2256000 USD
CY2020Q4 us-gaap Prepaid Expense Other Noncurrent
PrepaidExpenseOtherNoncurrent
2340000 USD
CY2021Q3 us-gaap Available For Sale Securities Debt Securities Noncurrent
AvailableForSaleSecuritiesDebtSecuritiesNoncurrent
2501000 USD
CY2020Q4 us-gaap Available For Sale Securities Debt Securities Noncurrent
AvailableForSaleSecuritiesDebtSecuritiesNoncurrent
2861000 USD
CY2021Q3 us-gaap Equity Securities Without Readily Determinable Fair Value Amount
EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
3215000 USD
CY2020Q4 us-gaap Equity Securities Without Readily Determinable Fair Value Amount
EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
3400000 USD
CY2021Q3 us-gaap Other Assets Miscellaneous Noncurrent
OtherAssetsMiscellaneousNoncurrent
2145000 USD
CY2020Q4 us-gaap Other Assets Miscellaneous Noncurrent
OtherAssetsMiscellaneousNoncurrent
1372000 USD
CY2021Q3 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
67050000 USD
CY2020Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
59838000 USD
CY2021Q3 mpwr Dividends And Dividend Equivalents
DividendsAndDividendEquivalents
32044000 USD
CY2020Q4 mpwr Dividends And Dividend Equivalents
DividendsAndDividendEquivalents
26435000 USD
CY2021Q3 mpwr Stock Rotation Reserve And Accrued Sales Returns
StockRotationReserveAndAccruedSalesReturns
7695000 USD
CY2020Q4 mpwr Stock Rotation Reserve And Accrued Sales Returns
StockRotationReserveAndAccruedSalesReturns
6005000 USD
CY2021Q3 mpwr Accrued Purchases Of Property And Equipment Current
AccruedPurchasesOfPropertyAndEquipmentCurrent
1033000 USD
CY2020Q4 mpwr Accrued Purchases Of Property And Equipment Current
AccruedPurchasesOfPropertyAndEquipmentCurrent
5841000 USD
CY2021Q3 us-gaap Accrued Income Taxes Current
AccruedIncomeTaxesCurrent
3884000 USD
CY2020Q4 us-gaap Accrued Income Taxes Current
AccruedIncomeTaxesCurrent
3755000 USD
CY2021Q3 us-gaap Contract With Customer Liability Current
ContractWithCustomerLiabilityCurrent
6690000 USD
CY2020Q4 us-gaap Contract With Customer Liability Current
ContractWithCustomerLiabilityCurrent
7238000 USD
CY2021Q3 us-gaap Accrued Sales Commission Current
AccruedSalesCommissionCurrent
1347000 USD
CY2020Q4 us-gaap Accrued Sales Commission Current
AccruedSalesCommissionCurrent
1107000 USD
CY2021Q3 us-gaap Product Warranty Accrual Classified Current
ProductWarrantyAccrualClassifiedCurrent
17776000 USD
CY2020Q4 us-gaap Product Warranty Accrual Classified Current
ProductWarrantyAccrualClassifiedCurrent
6895000 USD
CY2021Q3 us-gaap Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
6862000 USD
CY2020Q4 us-gaap Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
4278000 USD
CY2021Q3 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
79756000 USD
CY2020Q4 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
62960000 USD
CY2021Q3 us-gaap Deferred Compensation Liability Classified Noncurrent
DeferredCompensationLiabilityClassifiedNoncurrent
52707000 USD
CY2020Q4 us-gaap Deferred Compensation Liability Classified Noncurrent
DeferredCompensationLiabilityClassifiedNoncurrent
48280000 USD
CY2021Q3 mpwr Dividend Equivalents Noncurrent
DividendEquivalentsNoncurrent
8444000 USD
CY2020Q4 mpwr Dividend Equivalents Noncurrent
DividendEquivalentsNoncurrent
7871000 USD
CY2021Q3 us-gaap Other Accrued Liabilities Noncurrent
OtherAccruedLiabilitiesNoncurrent
0 USD
CY2020Q4 us-gaap Other Accrued Liabilities Noncurrent
OtherAccruedLiabilitiesNoncurrent
29000 USD
CY2021Q3 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
64506000 USD
CY2020Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
57873000 USD
CY2021Q3 us-gaap Operating Lease Cost
OperatingLeaseCost
623000 USD
CY2020Q3 us-gaap Operating Lease Cost
OperatingLeaseCost
364000 USD
us-gaap Operating Lease Cost
OperatingLeaseCost
1694000 USD
us-gaap Operating Lease Cost
OperatingLeaseCost
1093000 USD
CY2021Q3 us-gaap Short Term Lease Cost
ShortTermLeaseCost
140000 USD
CY2020Q3 us-gaap Short Term Lease Cost
ShortTermLeaseCost
87000 USD
us-gaap Short Term Lease Cost
ShortTermLeaseCost
387000 USD
us-gaap Short Term Lease Cost
ShortTermLeaseCost
235000 USD
CY2021Q3 us-gaap Lease Cost
LeaseCost
763000 USD
CY2020Q3 us-gaap Lease Cost
LeaseCost
451000 USD
us-gaap Lease Cost
LeaseCost
2081000 USD
us-gaap Lease Cost
LeaseCost
1328000 USD
CY2021Q3 us-gaap Operating Lease Payments
OperatingLeasePayments
612000 USD
CY2020Q3 us-gaap Operating Lease Payments
OperatingLeasePayments
394000 USD
us-gaap Operating Lease Payments
OperatingLeasePayments
1622000 USD
us-gaap Operating Lease Payments
OperatingLeasePayments
1097000 USD
CY2021Q3 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
793000 USD
CY2020Q3 us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
0 USD
us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
4477000 USD
us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
1796000 USD
CY2021Q3 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P3Y
CY2020Q4 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P2Y8M12D
CY2021Q3 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.021 pure
CY2020Q4 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.027 pure
CY2021Q3 us-gaap Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
664000 USD
CY2021Q3 us-gaap Lessee Operating Lease Liability Payments Due Next Twelve Months
LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
2342000 USD
CY2021Q3 us-gaap Lessee Operating Lease Liability Payments Due Year Two
LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
1505000 USD
CY2021Q3 us-gaap Lessee Operating Lease Liability Payments Due Year Three
LesseeOperatingLeaseLiabilityPaymentsDueYearThree
834000 USD
CY2021Q3 us-gaap Lessee Operating Lease Liability Payments Due Year Four
LesseeOperatingLeaseLiabilityPaymentsDueYearFour
645000 USD
CY2021Q3 mpwr Lessee Operating Lease Liability To Be Paid After Year Four
LesseeOperatingLeaseLiabilityToBePaidAfterYearFour
8000 USD
CY2021Q3 us-gaap Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
5998000 USD
CY2021Q3 us-gaap Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
218000 USD
CY2021Q3 mpwr Lessee Operating Lease Lease Not Yet Commenced Future Lease Obligations
LesseeOperatingLeaseLeaseNotYetCommencedFutureLeaseObligations
4200000 USD
CY2021Q3 us-gaap Operating Lease Lease Income Lease Payments
OperatingLeaseLeaseIncomeLeasePayments
700000 USD
CY2020Q3 us-gaap Operating Lease Lease Income Lease Payments
OperatingLeaseLeaseIncomeLeasePayments
500000 USD
us-gaap Operating Lease Lease Income Lease Payments
OperatingLeaseLeaseIncomeLeasePayments
1700000 USD
us-gaap Operating Lease Lease Income Lease Payments
OperatingLeaseLeaseIncomeLeasePayments
1300000 USD
CY2021Q3 us-gaap Lessor Operating Lease Payments To Be Received Remainder Of Fiscal Year
LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear
594000 USD
CY2021Q3 us-gaap Lessor Operating Lease Payments To Be Received Next Twelve Months
LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths
2293000 USD
CY2021Q3 us-gaap Lessor Operating Lease Payments To Be Received Two Years
LessorOperatingLeasePaymentsToBeReceivedTwoYears
1621000 USD
CY2021Q3 us-gaap Lessor Operating Lease Payments To Be Received Three Years
LessorOperatingLeasePaymentsToBeReceivedThreeYears
631000 USD
CY2021Q3 us-gaap Lessor Operating Lease Payments To Be Received Four Years
LessorOperatingLeasePaymentsToBeReceivedFourYears
110000 USD
us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
760000 USD
CY2021Q3 mpwr Lessor Operating Lease Payment To Be Received After Year Four
LessorOperatingLeasePaymentToBeReceivedAfterYearFour
21000 USD
CY2021Q3 us-gaap Lessor Operating Lease Payments To Be Received
LessorOperatingLeasePaymentsToBeReceived
5270000 USD
CY2021Q3 us-gaap Net Income Loss
NetIncomeLoss
68770000 USD
CY2020Q3 us-gaap Net Income Loss
NetIncomeLoss
55566000 USD
us-gaap Net Income Loss
NetIncomeLoss
169352000 USD
us-gaap Net Income Loss
NetIncomeLoss
121488000 USD
CY2021Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
45970000
CY2020Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
44970000
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
45754000
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
44737000
CY2021Q3 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
1882000
CY2020Q3 us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
1985000
us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
2018000
us-gaap Weighted Average Number Diluted Shares Outstanding Adjustment
WeightedAverageNumberDilutedSharesOutstandingAdjustment
2082000
CY2021Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
47852000
CY2020Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
46955000
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
47772000
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
46819000
CY2021Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.50
CY2020Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.24
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
3.70
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.72
CY2021Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.44
CY2020Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.18
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
3.55
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.59
us-gaap Number Of Reportable Segments
NumberOfReportableSegments
1 pure
CY2021Q3 us-gaap Product Warranty Accrual Preexisting Increase Decrease
ProductWarrantyAccrualPreexistingIncreaseDecrease
84000 USD
CY2020Q3 us-gaap Product Warranty Accrual Preexisting Increase Decrease
ProductWarrantyAccrualPreexistingIncreaseDecrease
345000 USD
CY2020Q3 us-gaap Standard Product Warranty Accrual Warranties Issued
StandardProductWarrantyAccrualWarrantiesIssued
3324000 USD
us-gaap Standard Product Warranty Accrual Warranties Issued
StandardProductWarrantyAccrualWarrantiesIssued
12954000 USD
us-gaap Standard Product Warranty Accrual Warranties Issued
StandardProductWarrantyAccrualWarrantiesIssued
4364000 USD
CY2021Q3 us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
770000 USD
CY2020Q3 us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
254000 USD
us-gaap Product Warranty Accrual Payments
ProductWarrantyAccrualPayments
1739000 USD
CY2021Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
323522000 USD
CY2020Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
259422000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
871294000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
611409000 USD
CY2021Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
323522000 USD
CY2020Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
259422000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
871294000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
611409000 USD
CY2021Q3 us-gaap Noncurrent Assets
NoncurrentAssets
340060000 USD
CY2020Q4 us-gaap Noncurrent Assets
NoncurrentAssets
281528000 USD
CY2021Q2 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
10873000 USD
CY2020Q2 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
1174000 USD
CY2020Q4 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
6895000 USD
CY2019Q4 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
1139000 USD
CY2021Q3 us-gaap Standard Product Warranty Accrual Warranties Issued
StandardProductWarrantyAccrualWarrantiesIssued
7757000 USD
CY2021Q3 us-gaap Available For Sale Securities Debt Maturities Single Maturity Date
AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate
518448000 USD
us-gaap Product Warranty Accrual Preexisting Increase Decrease
ProductWarrantyAccrualPreexistingIncreaseDecrease
334000 USD
us-gaap Product Warranty Accrual Preexisting Increase Decrease
ProductWarrantyAccrualPreexistingIncreaseDecrease
844000 USD
CY2021Q3 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
17776000 USD
CY2020Q3 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
3899000 USD
CY2021Q3 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
17776000 USD
CY2020Q3 us-gaap Standard Product Warranty Accrual
StandardProductWarrantyAccrual
3899000 USD
CY2021Q3 us-gaap Purchase Obligation
PurchaseObligation
197800000 USD
CY2021Q3 us-gaap Cash
Cash
212622000 USD
CY2020Q4 us-gaap Cash
Cash
300609000 USD
CY2021Q3 us-gaap Money Market Funds At Carrying Value
MoneyMarketFundsAtCarryingValue
13469000 USD
CY2020Q4 us-gaap Money Market Funds At Carrying Value
MoneyMarketFundsAtCarryingValue
34335000 USD
CY2021Q3 us-gaap Certificates Of Deposit At Carrying Value
CertificatesOfDepositAtCarryingValue
139361000 USD
CY2020Q4 us-gaap Certificates Of Deposit At Carrying Value
CertificatesOfDepositAtCarryingValue
0 USD
CY2021Q3 us-gaap Commercial Paper At Carrying Value
CommercialPaperAtCarryingValue
0 USD
CY2020Q4 us-gaap Commercial Paper At Carrying Value
CommercialPaperAtCarryingValue
2999000 USD
CY2021Q3 us-gaap Us Government Securities At Carrying Value
USGovernmentSecuritiesAtCarryingValue
7492000 USD
CY2020Q4 us-gaap Us Government Securities At Carrying Value
USGovernmentSecuritiesAtCarryingValue
7499000 USD
CY2021Q3 mpwr Cash Cash Equivalents And Investments
CashCashEquivalentsAndInvestments
744539000 USD
CY2020Q4 mpwr Cash Cash Equivalents And Investments
CashCashEquivalentsAndInvestments
597974000 USD
CY2021Q3 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
226091000 USD
CY2020Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
334944000 USD
CY2021Q3 us-gaap Short Term Investments
ShortTermInvestments
515947000 USD
CY2020Q4 us-gaap Short Term Investments
ShortTermInvestments
260169000 USD
CY2021Q3 us-gaap Long Term Investments
LongTermInvestments
2501000 USD
CY2020Q4 us-gaap Long Term Investments
LongTermInvestments
2861000 USD
CY2021Q3 mpwr Cash Cash Equivalents And Investments
CashCashEquivalentsAndInvestments
744539000 USD
CY2020Q4 mpwr Cash Cash Equivalents And Investments
CashCashEquivalentsAndInvestments
597974000 USD
CY2021Q3 us-gaap Available For Sale Securities Debt Maturities Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
113987000 USD
CY2021Q3 us-gaap Available For Sale Securities Debt Maturities Within One Year Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
114265000 USD
CY2021Q3 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
401166000 USD
CY2021Q3 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
401682000 USD
CY2021Q3 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
2620000 USD
CY2021Q3 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
2501000 USD
CY2021Q3 us-gaap Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis
517773000 USD
CY2021Q3 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
531242000 USD
CY2021Q3 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
1123000 USD
CY2021Q3 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
448000 USD
CY2021Q3 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
531917000 USD
CY2020Q4 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
295444000 USD
CY2020Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
2179000 USD
CY2020Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
258000 USD
CY2020Q4 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
297365000 USD
CY2021Q3 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
196621000 USD
CY2021Q3 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
329000 USD
CY2021Q3 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
2501000 USD
CY2021Q3 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
119000 USD
CY2021Q3 us-gaap Debt Securities Available For Sale Unrealized Loss Position
DebtSecuritiesAvailableForSaleUnrealizedLossPosition
199122000 USD
CY2021Q3 us-gaap Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
448000 USD
CY2020Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
65142000 USD
CY2020Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
99000 USD
CY2020Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
2861000 USD
CY2020Q4 us-gaap Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
159000 USD
CY2020Q4 us-gaap Debt Securities Available For Sale Unrealized Loss Position
DebtSecuritiesAvailableForSaleUnrealizedLossPosition
68003000 USD
CY2020Q4 us-gaap Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
258000 USD
mpwr Redemption Auction Rate Securities To Date
RedemptionAuctionRateSecuritiesToDate
40700000 USD
mpwr Percentage Of Auction Rate Securities Redeemedat Par Value
PercentageOfAuctionRateSecuritiesRedeemedatParValue
0.94 pure
CY2021Q3 us-gaap Equity Securities Without Readily Determinable Fair Value Amount
EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
3200000 USD
CY2020Q4 us-gaap Equity Securities Without Readily Determinable Fair Value Amount
EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
3400000 USD
CY2021Q3 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
226091000 USD
CY2020Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
334944000 USD
CY2021Q3 us-gaap Restricted Cash And Cash Equivalents
RestrictedCashAndCashEquivalents
120000 USD
CY2020Q4 us-gaap Restricted Cash And Cash Equivalents
RestrictedCashAndCashEquivalents
127000 USD
CY2021Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
226211000 USD
CY2020Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
335071000 USD
CY2021Q3 us-gaap Assets Fair Value Disclosure
AssetsFairValueDisclosure
561836000 USD
CY2020Q4 us-gaap Assets Fair Value Disclosure
AssetsFairValueDisclosure
324289000 USD
CY2021Q3 us-gaap Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
-171000 USD
CY2020Q3 us-gaap Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
-759000 USD
CY2021Q3 us-gaap Deferred Compensation Plan Assets
DeferredCompensationPlanAssets
50641000 USD
CY2020Q4 us-gaap Deferred Compensation Plan Assets
DeferredCompensationPlanAssets
46146000 USD
CY2021Q3 us-gaap Deferred Compensation Liability Current And Noncurrent
DeferredCompensationLiabilityCurrentAndNoncurrent
52989000 USD
CY2020Q4 us-gaap Deferred Compensation Liability Current And Noncurrent
DeferredCompensationLiabilityCurrentAndNoncurrent
48435000 USD
CY2021Q3 us-gaap Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
3050000 USD
CY2020Q3 us-gaap Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
2311000 USD
us-gaap Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
8102000 USD
us-gaap Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
7073000 USD
CY2021Q3 us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-1305000 USD
CY2020Q3 us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-863000 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-3231000 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
-1984000 USD
CY2021Q3 mpwr Gain Loss On Deferred Compensation Plan Investments
GainLossOnDeferredCompensationPlanInvestments
-399000 USD
CY2020Q3 mpwr Gain Loss On Deferred Compensation Plan Investments
GainLossOnDeferredCompensationPlanInvestments
1598000 USD
mpwr Gain Loss On Deferred Compensation Plan Investments
GainLossOnDeferredCompensationPlanInvestments
2640000 USD
mpwr Gain Loss On Deferred Compensation Plan Investments
GainLossOnDeferredCompensationPlanInvestments
1420000 USD
CY2021Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.60
CY2020Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.50
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.80
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
1.50
CY2021Q3 us-gaap Dividends Common Stock
DividendsCommonStock
27606000 USD
CY2020Q3 us-gaap Dividends Common Stock
DividendsCommonStock
22508000 USD
us-gaap Dividends Common Stock
DividendsCommonStock
82501000 USD
CY2021Q3 us-gaap Dividends Payable Current
DividendsPayableCurrent
27600000 USD
us-gaap Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
-544000 USD
us-gaap Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
-889000 USD
CY2021Q3 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
-382000 USD
CY2020Q3 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
207000 USD
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
-556000 USD
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
360000 USD
CY2021Q3 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
793000 USD
CY2020Q3 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
2494000 USD
us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
6411000 USD
us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
5980000 USD
CY2021Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
9200000 USD
CY2021Q3 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.117 pure
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
20900000 USD
us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.110 pure
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
us-gaap Dividends Common Stock
DividendsCommonStock
67239000 USD
CY2020Q4 us-gaap Dividends Payable Current
DividendsPayableCurrent
22600000 USD
CY2021Q3 mpwr Accrued Dividend Equivalents
AccruedDividendEquivalents
12900000 USD
CY2020Q4 mpwr Accrued Dividend Equivalents
AccruedDividendEquivalents
11700000 USD

Files In Submission

Name View Source Status
0001437749-21-025711-index-headers.html Edgar Link pending
0001437749-21-025711-index.html Edgar Link pending
0001437749-21-025711.txt Edgar Link pending
0001437749-21-025711-xbrl.zip Edgar Link pending
ex_295772.htm Edgar Link pending
ex_295773.htm Edgar Link pending
ex_295774.htm Edgar Link pending
FilingSummary.xml Edgar Link unprocessable
Financial_Report.xlsx Edgar Link pending
MetaLinks.json Edgar Link pending
mpwr-20210930.xsd Edgar Link pending
mpwr-20210930_cal.xml Edgar Link unprocessable
mpwr-20210930_def.xml Edgar Link unprocessable
mpwr-20210930_lab.xml Edgar Link unprocessable
mpwr-20210930_pre.xml Edgar Link unprocessable
mpwr20210930_10q.htm Edgar Link pending
mpwr20210930_10q_htm.xml Edgar Link completed
R1.htm Edgar Link pending
R10.htm Edgar Link pending
R11.htm Edgar Link pending
R12.htm Edgar Link pending
R13.htm Edgar Link pending
R14.htm Edgar Link pending
R15.htm Edgar Link pending
R16.htm Edgar Link pending
R17.htm Edgar Link pending
R18.htm Edgar Link pending
R19.htm Edgar Link pending
R2.htm Edgar Link pending
R20.htm Edgar Link pending
R21.htm Edgar Link pending
R22.htm Edgar Link pending
R23.htm Edgar Link pending
R24.htm Edgar Link pending
R25.htm Edgar Link pending
R26.htm Edgar Link pending
R27.htm Edgar Link pending
R28.htm Edgar Link pending
R29.htm Edgar Link pending
R3.htm Edgar Link pending
R30.htm Edgar Link pending
R31.htm Edgar Link pending
R32.htm Edgar Link pending
R33.htm Edgar Link pending
R34.htm Edgar Link pending
R35.htm Edgar Link pending
R36.htm Edgar Link pending
R37.htm Edgar Link pending
R38.htm Edgar Link pending
R39.htm Edgar Link pending
R4.htm Edgar Link pending
R40.htm Edgar Link pending
R41.htm Edgar Link pending
R42.htm Edgar Link pending
R43.htm Edgar Link pending
R44.htm Edgar Link pending
R45.htm Edgar Link pending
R46.htm Edgar Link pending
R47.htm Edgar Link pending
R48.htm Edgar Link pending
R49.htm Edgar Link pending
R5.htm Edgar Link pending
R50.htm Edgar Link pending
R51.htm Edgar Link pending
R52.htm Edgar Link pending
R53.htm Edgar Link pending
R54.htm Edgar Link pending
R55.htm Edgar Link pending
R56.htm Edgar Link pending
R57.htm Edgar Link pending
R58.htm Edgar Link pending
R59.htm Edgar Link pending
R6.htm Edgar Link pending
R60.htm Edgar Link pending
R61.htm Edgar Link pending
R62.htm Edgar Link pending
R63.htm Edgar Link pending
R64.htm Edgar Link pending
R65.htm Edgar Link pending
R66.htm Edgar Link pending
R67.htm Edgar Link pending
R68.htm Edgar Link pending
R69.htm Edgar Link pending
R7.htm Edgar Link pending
R70.htm Edgar Link pending
R71.htm Edgar Link pending
R72.htm Edgar Link pending
R8.htm Edgar Link pending
R9.htm Edgar Link pending
report.css Edgar Link pending
Show.js Edgar Link pending