$MASI
MASIMO CORP Stock $masi

$masi Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000093755620000030 Filed on February 19, 2020

Income Statement

Concept	2019 Q4	2019	2018 Q4
Revenue	$247.5M	$937.8M	$223.1M
YoY Change	10.93%	9.27%	7.31%
Cost Of Revenue	$80.60M	$308.7M	$74.80M
YoY Change	7.75%	8.92%	7.94%
Gross Profit	$166.9M	$629.2M	$148.3M
YoY Change	12.53%	9.44%	6.98%
Gross Profit Margin	67.44%	67.09%	66.48%
Selling, General & Admin	$81.90M	$314.7M	$74.20M
YoY Change	10.38%	10.25%	-4.63%
% of Gross Profit	49.06%	50.01%	50.02%
Research & Development	$23.40M	$93.30M	$19.80M
YoY Change	18.18%	15.17%	22.98%
% of Gross Profit	14.02%	14.83%	13.35%
Depreciation & Amortization	$5.900M	$23.49M	$5.100M
YoY Change	15.69%	11.17%	-10.53%
% of Gross Profit	3.53%	3.73%	3.44%
Operating Expenses	$105.4M	$408.0M	$94.00M
YoY Change	12.13%	11.21%	0.11%
Operating Profit	$61.56M	$221.2M	$53.91M
YoY Change	14.19%	6.33%	20.52%
Interest Expense	$2.800M	$328.0K
YoY Change		-53.54%
% of Operating Profit	4.55%	0.15%
Other Income/Expense, Net	$0.00	$12.95M	$1.700M
YoY Change	-100.0%	125.92%	142.86%
Pretax Income	$64.40M	$234.2M	$55.60M
YoY Change	15.83%	34.7%	22.47%
Income Tax	$11.40M	$37.95M	$7.700M
% Of Pretax Income	17.7%	16.21%	13.85%
Net Earnings	$52.92M	$196.2M	$46.93M
YoY Change	12.76%	1.38%	-706.77%
Net Earnings / Revenue	21.38%	20.92%	21.03%
Basic Earnings Per Share	$0.99	$3.67	$0.88
Diluted Earnings Per Share	$0.92	$3.44	$0.83
COMMON SHARES
Basic Shares Outstanding	53.79M shares	53.43M shares	53.17M shares
Diluted Shares Outstanding		57.10M shares

Balance Sheet

Concept	2019 Q4	2019	2018 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$687.7M	$687.7M	$552.5M
YoY Change	24.47%	24.47%	75.23%
Cash & Equivalents	$567.7M	$567.7M	$552.5M
Short-Term Investments	$120.0M	$120.0M	$0.00
Other Short-Term Assets	$60.07M	$25.70M	$32.43M
YoY Change	85.26%	15.77%	-3.5%
Inventory	$115.9M	$115.9M	$94.73M
Prepaid Expenses	$11.75M		$10.58M
Receivables	$132.4M	$132.4M	$109.6M
Other Receivables	$34.40M	$34.40M	$10.30M
Total Short-Term Assets	$996.1M	$996.1M	$789.3M
YoY Change	26.2%	26.2%	41.02%
LONG-TERM ASSETS
Property, Plant & Equipment	$219.6M	$238.7M	$166.0M
YoY Change	32.28%	43.8%	1.14%
Goodwill	$22.35M		$23.30M
YoY Change	-4.06%		13.0%
Intangibles	$27.25M		$27.92M
YoY Change	-2.41%		2.95%
Long-Term Investments	$6.475M	$6.500M	$1.200M
YoY Change	439.58%	441.67%	-2.76%
Other Assets	$28.79M	$52.90M	$4.232M
YoY Change	580.32%	-63.47%	-9.34%
Total Long-Term Assets	$400.1M	$400.0M	$365.5M
YoY Change	9.44%	9.44%	5.73%
TOTAL ASSETS
Total Short-Term Assets	$996.1M	$996.1M	$789.3M
Total Long-Term Assets	$400.1M	$400.0M	$365.5M
Total Assets	$1.396B	$1.396B	$1.155B
YoY Change	20.9%	20.9%	27.54%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$54.55M	$54.50M	$40.39M
YoY Change	35.06%	34.9%	19.56%
Accrued Expenses	$6.115M	$79.90M	$5.038M
YoY Change	21.38%	22.55%	72.3%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$172.2M	$172.2M	$146.6M
YoY Change	17.51%	17.46%	13.04%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$56.04M	$53.00M	$39.20M
YoY Change	42.95%	46.41%	-24.27%
Total Long-Term Liabilities	$56.04M	$53.00M	$39.20M
YoY Change	42.95%	46.41%	-24.27%
TOTAL LIABILITIES
Total Short-Term Liabilities	$172.2M	$172.2M	$146.6M
Total Long-Term Liabilities	$56.04M	$53.00M	$39.20M
Total Liabilities	$228.3M	$228.3M	$185.8M
YoY Change	22.88%	22.87%	2.39%
SHAREHOLDERS EQUITY
Retained Earnings	$1.100B		$931.1M
YoY Change	18.2%		26.17%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$526.6M		$489.0M
YoY Change	7.68%		3.49%
Treasury Stock Shares	15.53M shares		15.26M shares
Shareholders Equity	$1.168B	$1.168B	$969.1M
YoY Change
Total Liabilities & Shareholders Equity	$1.396B	$1.396B	$1.155B
YoY Change	20.9%	20.9%	27.54%

Cashflow Statement

Concept	2019 Q4	2019	2018 Q4
OPERATING ACTIVITIES
Net Income	$52.92M	$196.2M	$46.93M
YoY Change	12.76%	1.38%	-706.77%
Depreciation, Depletion And Amortization	$5.900M	$23.49M	$5.100M
YoY Change	15.69%	11.17%	-10.53%
Cash From Operating Activities	$70.20M	$221.6M	$63.20M
YoY Change	11.08%	-7.47%	29.77%
INVESTING ACTIVITIES
Capital Expenditures	-$13.50M	$68.38M	-$5.700M
YoY Change	136.84%	299.25%	-14.93%
Acquisitions		$0.00
YoY Change		-100.0%
Other Investing Activities	$0.00	$5.189M	$0.00
YoY Change		-1245.47%
Cash From Investing Activities	-$13.50M	-$197.7M	-$5.600M
YoY Change	141.07%	655.89%	-16.42%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$37.56M
YoY Change		103.24%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-4.000M	-$9.339M	2.100M
YoY Change	-290.48%	-136.23%	-112.28%
NET CHANGE
Cash From Operating Activities	70.20M	$221.6M	63.20M
Cash From Investing Activities	-13.50M	-$197.7M	-5.600M
Cash From Financing Activities	-4.000M	-$9.339M	2.100M
Net Change In Cash	52.70M	$15.43M	59.70M
YoY Change	-11.73%	-93.49%	139.76%
FREE CASH FLOW
Cash From Operating Activities	$70.20M	$221.6M	$63.20M
Capital Expenditures	-$13.50M	$68.38M	-$5.700M
Free Cash Flow	$83.70M	$153.3M	$68.90M
YoY Change	21.48%	-31.09%	24.37%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-28
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0000937556
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CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1803000	USD
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CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	53085000	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	53696000	shares
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CY2018Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
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CY2018Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	15255000	shares
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	15530000	shares
CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-12-28
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Entity File Number EntityFileNumber	001-33642
CY2019	dei	Entity Registrant Name EntityRegistrantName	MASIMO CORP
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	33-0368882
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	52 Discovery
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	Irvine
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	92618
CY2019	dei	City Area Code CityAreaCode	(949)
CY2019	dei	Local Phone Number LocalPhoneNumber	297-7000
CY2019	dei	Security12b Title Security12bTitle	Common Stock, par value $0.001
CY2019	dei	Trading Symbol TradingSymbol	MASI
CY2019	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2019	dei	Entity Shell Company EntityShellCompany	false
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CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56039000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	55874000	shares
CY2019	us-gaap	Profit Loss ProfitLoss	196216000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	193543000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	124789000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-519000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-3258000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	4201000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-115000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	195697000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	190285000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	128875000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	584177000	USD
CY2017	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	62046000	USD
CY2017	us-gaap	Stock Issued During Period Shares Restricted Stock Award Gross StockIssuedDuringPeriodSharesRestrictedStockAwardGross	6000	shares
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	17187000	USD
CY2017	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	68260000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	124789000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	4201000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-115000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	724025000	USD
CY2018	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	44422000	USD
CY2018	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	168000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	27417000	USD
CY2018	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	16490000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	193543000	USD
CY2018	us-gaap	Income Tax Effects Allocated Directly To Equity Cumulative Effect Of Change In Accounting Principle IncomeTaxEffectsAllocatedDirectlyToEquityCumulativeEffectOfChangeInAccountingPrinciple	-426000	USD
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CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	969065000	USD
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	28349000	USD
CY2019	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	123000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	39235000	USD
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	37554000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	196216000	USD
CY2019	us-gaap	Income Tax Effects Allocated Directly To Equity Cumulative Effect Of Change In Accounting Principle IncomeTaxEffectsAllocatedDirectlyToEquityCumulativeEffectOfChangeInAccountingPrinciple	-26795000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-519000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1167874000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	196216000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	193543000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	124789000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	23487000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	21127000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	20061000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	39233000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	27417000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	17187000	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-357000	USD
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-949000	USD
CY2017	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-522000	USD
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	687000	USD
CY2018	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	439000	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	251000	USD
CY2019	masi	Provisionforamountduefromforeignagent Provisionforamountduefromforeignagent	0	USD
CY2018	masi	Provisionforamountduefromforeignagent Provisionforamountduefromforeignagent	2016000	USD
CY2017	masi	Provisionforamountduefromforeignagent Provisionforamountduefromforeignagent	10477000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5965000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-8274000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	17276000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	23580000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-10826000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	19772000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	21257000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1885000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	24014000	USD
CY2019	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	8536000	USD
CY2018	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-3843000	USD
CY2017	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	5406000	USD
CY2019	us-gaap	Proceeds From Lease Payments ProceedsFromLeasePayments	-11958000	USD
CY2018	us-gaap	Proceeds From Lease Payments ProceedsFromLeasePayments	0	USD
CY2017	us-gaap	Proceeds From Lease Payments ProceedsFromLeasePayments	0	USD
CY2019	us-gaap	Increase Decrease In Deferred Charges IncreaseDecreaseInDeferredCharges	-3308000	USD
CY2018	us-gaap	Increase Decrease In Deferred Charges IncreaseDecreaseInDeferredCharges	17935000	USD
CY2017	us-gaap	Increase Decrease In Deferred Charges IncreaseDecreaseInDeferredCharges	14102000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	226000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-407000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	10771000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	9934000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	5211000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-4057000	USD
CY2019	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	5338000	USD
CY2018	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	10195000	USD
CY2017	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-4292000	USD
CY2019	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	7739000	USD
CY2018	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	1420000	USD
CY2017	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-13295000	USD
CY2019	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	4079000	USD
CY2018	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-1208000	USD
CY2017	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-72087000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	746000	USD
CY2018	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	3923000	USD
CY2017	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	5282000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	2038000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-7577000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	28013000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	221640000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	239527000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	56062000	USD
CY2019	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	120000000	USD
CY2018	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	0	USD
CY2017	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	0	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	68375000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	17126000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	43684000	USD
CY2019	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	4117000	USD
CY2018	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	5557000	USD
CY2017	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	3079000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	5189000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-453000	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	1145000	USD
CY2019	us-gaap	Payments For Proceeds From Longterm Investments PaymentsForProceedsFromLongtermInvestments	0	USD
CY2018	us-gaap	Payments For Proceeds From Longterm Investments PaymentsForProceedsFromLongtermInvestments	3922000	USD
CY2017	us-gaap	Payments For Proceeds From Longterm Investments PaymentsForProceedsFromLongtermInvestments	0	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-197681000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-26152000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-47908000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	28339000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	44748000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	62205000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	37555000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	18478000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	66272000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-123000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-490000	USD
CY2017	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-71000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-9339000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	25780000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-4138000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	814000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1997000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3269000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	15434000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	237158000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	7285000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	552641000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	315483000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	308198000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	568075000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	552641000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	315483000	USD
CY2019	us-gaap	Nature Of Operations NatureOfOperations	<div style="line-height:120%;padding-top:17px;font-size:10pt;"><span style="font-weight:bold;">1. Description of the Company</span><span style="font-family:inherit;font-size:10pt;font-weight:bold;"> </span></div><div style="line-height:120%;padding-top:6px;text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Masimo Corporation (the Company) is a global medical technology company that develops, manufactures and markets a variety of noninvasive patient monitoring technologies and hospital automation solutions. The Company’s mission is to </span><span style="font-family:inherit;font-size:10pt;">improve patient outcomes and reduce the cost of patient care</span><span style="font-family:inherit;font-size:10pt;">. The Company’s patient monitoring solutions generally incorporate a monitor or circuit board, proprietary single-patient use or reusable sensors, software and/or cables. The Company primarily sells its products to hospitals, emergency medical service providers, home care providers, physician offices, veterinarians, long term care facilities and consumers through its direct sales force, distributors and original equipment manufacturer (OEM) partners.</span></div><div style="line-height:120%;padding-top:12px;text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The Company invented Masimo Signal Extraction Technology</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">® </sup></span><span style="font-family:inherit;font-size:10pt;">(SET</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">®</sup></span><span style="font-family:inherit;font-size:10pt;">), which provides the capabilities of</span><span> Measure-through Motion and Low Perfusion</span><span style="font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">™</sup> </span><span style="font-family:inherit;font-size:10pt;"> pulse oximetry to address the primary limitations of conventional pulse oximetry. Over the years, the Company’s product offerings have expanded significantly to also include rainbow</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">®</sup></span><span style="font-family:inherit;font-size:10pt;"> Pulse CO-Oximetry, with its ability to monitor carboxyhemoglobin (SpCO</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">®</sup></span><span style="font-family:inherit;font-size:10pt;">), methemoglobin (SpMet</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">®</sup></span><span style="font-family:inherit;font-size:10pt;">), total hemoglobin concentration (SpHb</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">®</sup></span><span style="font-family:inherit;font-size:10pt;">), fractional arterial oxygen saturation (SpfO</span><span style="font-family:inherit;font-size:10pt;"><sub style="vertical-align:bottom;line-height:120%;font-size:7pt">2</sub></span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">™</sup></span><span style="font-family:inherit;font-size:10pt;">), Oxygen Content (SpOC</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">™</sup></span><span style="font-family:inherit;font-size:10pt;">), Pleth Variability Index (PVi</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">®</sup></span><span style="font-family:inherit;font-size:10pt;">), rainbow</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">®</sup></span><span style="font-family:inherit;font-size:10pt;"> Pleth Variability Index (RPVi</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">™</sup></span><span style="font-family:inherit;font-size:10pt;">), respiration rate from the pleth (RRp</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">®</sup></span><span style="font-family:inherit;font-size:10pt;">) and Oxygen Reserve Index (ORi</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">™</sup></span><span style="font-family:inherit;font-size:10pt;">); as well as acoustic respiration monitoring (RRa</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">®</sup></span><span style="font-family:inherit;font-size:10pt;">), SedLine</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">®</sup></span><span style="font-family:inherit;font-size:10pt;"> brain function monitoring, NomoLine</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">®</sup></span><span style="font-family:inherit;font-size:10pt;"> capnography and gas monitoring and O3</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">®</sup></span><span style="font-family:inherit;font-size:10pt;"> regional oximetry. These technologies are based upon Masimo SET</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">®</sup></span><span style="font-family:inherit;font-size:10pt;">, rainbow</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">®</sup></span><span style="font-family:inherit;font-size:10pt;"> and other proprietary algorithms and are incorporated into a variety of product platforms depending on customers’ specifications. The Company’s current technology offerings also include remote patient monitoring, connectivity, and hospital automation solutions, including Masimo Patient SafetyNet</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">™(</sup></span><span style="font-family:inherit;font-size:8pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">1)</sup></span><span style="font-family:inherit;font-size:10pt;">, Masimo Patient SafetyNet</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">™</sup></span><span style="font-family:inherit;font-size:10pt;"> Surveillance</span><span style="font-family:inherit;font-size:8pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">1</sup></span><span style="font-family:inherit;font-size:10pt;">, Replica</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">™</sup></span><span style="font-family:inherit;font-size:10pt;">, Iris</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">®</sup></span><span style="font-family:inherit;font-size:10pt;">, MyView</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">®</sup></span><span style="font-family:inherit;font-size:10pt;">, UniView</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">™</sup></span><span style="font-family:inherit;font-size:10pt;"> and Trace</span><span style="font-family:inherit;font-size:7pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">™</sup></span><span style="font-family:inherit;font-size:10pt;">. The Company’s technologies are supported by a substantial intellectual property portfolio that the Company has built through internal development and, to a lesser extent, acquisitions and license agreements.</span></div>
CY2019	us-gaap	Fiscal Period FiscalPeriod	<div style="line-height:120%;padding-top:17px;text-indent:16px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Fiscal Periods</span></div><div style="line-height:120%;padding-top:6px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The Company follows a conventional 52/53 week fiscal year. Under a conventional 52/53 week fiscal year, a 52 week fiscal year includes four quarters of 13 fiscal weeks while a 53 week fiscal year includes three 13 fiscal week quarters and one 14 fiscal week quarter. The Company’s last 53 week fiscal year was fiscal year 2014. Fiscal year 2019 is a 52 week fiscal year. All references to years in these notes to consolidated financial statements are fiscal years unless otherwise noted.</span></div>
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;padding-top:17px;text-indent:16px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</span></div><div style="line-height:120%;padding-top:6px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The Company prepares its financial statements in conformity with GAAP, which requires the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the dates of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Significant estimates include the determination of standalone selling prices, variable consideration and how total consideration should be allocated to each performance obligation within a contract, inventory valuation, valuation of the Company’s equity awards, deferred taxes and any associated valuation allowances, deferred revenue, uncertain income tax positions, and litigation costs and related accruals. Actual results could differ from such estimates.</span></div>
CY2019	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="line-height:120%;padding-top:17px;text-indent:16px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Reclassifications </span></div><div style="line-height:120%;padding-top:6px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Certain amounts in the accompanying consolidated financial statements have been reclassified to conform to the current period presentation, including previously reported selling, general and administrative expenses that have been reclassified as research and development expenses within the consolidated financial statements for the years ended </span><span style="font-family:inherit;font-size:10pt;">December 29, 2018</span><span style="font-family:inherit;font-size:10pt;"> and </span><span style="font-family:inherit;font-size:10pt;">December 30, 2017</span><span style="font-family:inherit;font-size:10pt;">.</span></div>
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	567687000	USD
CY2019Q4	us-gaap	Short Term Investments ShortTermInvestments	120000000.0	USD
CY2019	masi	Numberof Sourcesof Product Revenue NumberofSourcesofProductRevenue	4	segment
CY2019	masi	Royalty Revenue Numberof Days Royalty Revenueis Adjusted Subsequentto Quarter End RoyaltyRevenueNumberofDaysRoyaltyRevenueisAdjustedSubsequenttoQuarterEnd	P60D
CY2019	masi	Royalty Royalty	700000	USD
CY2018	masi	Royalty Royalty	26400000	USD
CY2017	masi	Royalty Royalty	32800000	USD
CY2018Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1910000	USD
CY2017Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1149000	USD
CY2016Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	910000	USD
CY2019	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	1715000	USD
CY2018	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	1549000	USD
CY2017	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	1061000	USD
CY2019	us-gaap	Product Warranty Expense ProductWarrantyExpense	1130000	USD
CY2018	us-gaap	Product Warranty Expense ProductWarrantyExpense	551000	USD
CY2017	us-gaap	Product Warranty Expense ProductWarrantyExpense	332000	USD
CY2019	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	1360000	USD
CY2018	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	1339000	USD
CY2017	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	1154000	USD
CY2019Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	3395000	USD
CY2018Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1910000	USD
CY2017Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1149000	USD
CY2019	us-gaap	Advertising Expense AdvertisingExpense	14000000.0	USD
CY2018	us-gaap	Advertising Expense AdvertisingExpense	17900000	USD
CY2017	us-gaap	Advertising Expense AdvertisingExpense	17800000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	196216000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	193543000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	124789000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53434000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52296000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51516000	shares
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.67
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.70
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.42
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	53434000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52296000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51516000	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	3666000	shares
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	3743000	shares
CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	4358000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	57100000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56039000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	55874000	shares
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.44
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.45
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.23
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	400000	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1100000	shares
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	400000	shares
CY2019	us-gaap	Interest Paid Net InterestPaidNet	211000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	193000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	551000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	42270000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	36589000	USD
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	91061000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	6676000	USD
CY2018	us-gaap	Operating Lease Payments OperatingLeasePayments	0	USD
CY2018	masi	Proceedsfromstockoptionsexercisedunsettledatperiodend Proceedsfromstockoptionsexercisedunsettledatperiodend	4000	USD
CY2017	masi	Proceedsfromstockoptionsexercisedunsettledatperiodend Proceedsfromstockoptionsexercisedunsettledatperiodend	161000	USD
CY2019	masi	Stockrepurchasedunsettledatperiodend Stockrepurchasedunsettledatperiodend	0	USD
CY2017	us-gaap	Operating Lease Payments OperatingLeasePayments	0	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	26484000	USD
CY2018	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	USD
CY2017	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	USD
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	6686000	USD
CY2018	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	2391000	USD
CY2017	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1559000	USD
CY2019	masi	Proceedsfromstockoptionsexercisedunsettledatperiodend Proceedsfromstockoptionsexercisedunsettledatperiodend	14000	USD
CY2018	masi	Stockrepurchasedunsettledatperiodend Stockrepurchasedunsettledatperiodend	0	USD
CY2017	masi	Stockrepurchasedunsettledatperiodend Stockrepurchasedunsettledatperiodend	1988000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	567687000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	552490000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	315302000	USD
CY2019Q4	us-gaap	Restricted Cash RestrictedCash	388000	USD
CY2018Q4	us-gaap	Restricted Cash RestrictedCash	151000	USD
CY2017Q4	us-gaap	Restricted Cash RestrictedCash	181000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	568075000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	552641000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	315483000	USD
CY2019	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2018Q4	masi	Cumulative Effecton Retained Earnings Netof Tax Rou Assetsand Lease Liabilities CumulativeEffectonRetainedEarningsNetofTaxROUAssetsandLeaseLiabilities	22500000	USD
CY2018Q4	masi	Cumulative Effecton Retained Earnings Netof Tax Lease Receivable CumulativeEffectonRetainedEarningsNetofTaxLeaseReceivable	62000000.0	USD
CY2018Q4	masi	Cumulative Effecton Retained Earnings Netof Tax Leased Equipment CumulativeEffectonRetainedEarningsNetofTaxLeasedEquipment	103500000	USD
CY2018Q4	masi	Cumulative Effecton Retained Earnings Netof Tax Deferred Tax Assets CumulativeEffectonRetainedEarningsNetofTaxDeferredTaxAssets	8600000	USD
CY2018Q4	masi	Cumulative Effecton Retained Earnings Netof Tax Deferred Tax Deferred Revenueand Contract Related Liabilities CumulativeEffectonRetainedEarningsNetofTaxDeferredTaxDeferredRevenueandContractRelatedLiabilities	9100000	USD
CY2018Q4	masi	Cumulative Effecton Retained Earnings Netof Tax Other Current Liabilities CumulativeEffectonRetainedEarningsNetofTaxOtherCurrentLiabilities	3000000.0	USD
CY2015Q3	masi	Patentand Licensing Fee Aggregate PatentandLicensingFeeAggregate	2400000	USD
CY2019Q4	masi	Estimateof Annual Preventable Hospital Deaths Preventedby2020 EstimateofAnnualPreventableHospitalDeathsPreventedby2020	200000	death
CY2019Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	55920000	USD
CY2018Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	38955000	USD
CY2019Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	10966000	USD
CY2018Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	9036000	USD
CY2019Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	48985000	USD
CY2018Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	46741000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	115871000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	94732000	USD
CY2019Q4	us-gaap	Net Investment In Lease Current NetInvestmentInLeaseCurrent	20250000	USD
CY2018Q4	us-gaap	Net Investment In Lease Current NetInvestmentInLeaseCurrent	0	USD
CY2019Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	11746000	USD
CY2018Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	10582000	USD
CY2019Q4	us-gaap	Value Added Tax Receivable Current ValueAddedTaxReceivableCurrent	9311000	USD
CY2018Q4	us-gaap	Value Added Tax Receivable Current ValueAddedTaxReceivableCurrent	6516000	USD
CY2019Q4	us-gaap	Prepaid Taxes PrepaidTaxes	7330000	USD
CY2018Q4	us-gaap	Prepaid Taxes PrepaidTaxes	3071000	USD
CY2019Q4	us-gaap	Nontrade Receivables Current NontradeReceivablesCurrent	4847000	USD
CY2018Q4	us-gaap	Nontrade Receivables Current NontradeReceivablesCurrent	3780000	USD
CY2019Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	6587000	USD
CY2018Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	8477000	USD
CY2019Q4	us-gaap	Other Assets Current OtherAssetsCurrent	60071000	USD
CY2018Q4	us-gaap	Other Assets Current OtherAssetsCurrent	32426000	USD
CY2019	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	44000000.0	USD
CY2019Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	70589000	USD
CY2019Q4	masi	Salestypelease Allowancefor Credit Loss SalestypeleaseAllowanceforCreditLoss	403000	USD
CY2019Q4	us-gaap	Sales Type Lease Lease Receivable SalesTypeLeaseLeaseReceivable	70186000	USD
CY2019Q4	us-gaap	Net Investment In Lease Current NetInvestmentInLeaseCurrent	20250000	USD
CY2019Q4	us-gaap	Net Investment In Lease Noncurrent NetInvestmentInLeaseNoncurrent	49936000	USD
CY2019Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Next Twelve Months SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths	20653000	USD
CY2019Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Two Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears	16541000	USD
CY2019Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Three Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears	13500000	USD
CY2019Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Four Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears	9380000	USD
CY2019Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Five Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears	5869000	USD
CY2019Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Thereafter SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter	4646000	USD
CY2019Q4	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	70589000	USD
CY2019Q4	masi	Deferred Cost Of Goods Sold DeferredCostOfGoodsSold	8098000	USD
CY2018Q4	masi	Deferred Cost Of Goods Sold DeferredCostOfGoodsSold	7036000	USD
CY2019Q4	us-gaap	Deferred Sales Commission DeferredSalesCommission	5260000	USD
CY2018Q4	us-gaap	Deferred Sales Commission DeferredSalesCommission	5085000	USD
CY2019Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	2482000	USD
CY2018Q4	us-gaap	Unbilled Contracts Receivable UnbilledContractsReceivable	2368000	USD
CY2019Q4	masi	Equipmentleasedtocustomers Equipmentleasedtocustomers	374000	USD
CY2018Q4	masi	Equipmentleasedtocustomers Equipmentleasedtocustomers	108417000	USD
CY2019Q4	us-gaap	Deferred Costs And Other Assets DeferredCostsAndOtherAssets	16214000	USD
CY2018Q4	us-gaap	Deferred Costs And Other Assets DeferredCostsAndOtherAssets	122906000	USD
CY2019	masi	Deferred Costof Goods Sold Amortization DeferredCostofGoodsSoldAmortization	1000000.0	USD
CY2018	masi	Deferred Costof Goods Sold Amortization DeferredCostofGoodsSoldAmortization	30000000.0	USD
CY2017	masi	Deferred Costof Goods Sold Amortization DeferredCostofGoodsSoldAmortization	27500000	USD
CY2019Q4	masi	Deferred Costof Goods Sold Accumulated Amortization DeferredCostofGoodsSoldAccumulatedAmortization	700000	USD
CY2018Q4	masi	Deferred Costof Goods Sold Accumulated Amortization DeferredCostofGoodsSoldAccumulatedAmortization	103100000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	332654000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	263762000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	113102000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	97790000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	219552000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	165972000	USD
CY2019	masi	Properties Purchased PropertiesPurchased	2	Facilities
CY2019	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	35600000	USD
CY2019	us-gaap	Depreciation Depreciation	19100000	USD
CY2018	us-gaap	Depreciation Depreciation	16300000	USD
CY2017	us-gaap	Depreciation Depreciation	15200000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P5Y
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.037
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	19137000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	4653000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	15834000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	20487000	USD
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	5280000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	3371000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	2165000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1875000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1756000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	9399000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	23846000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	3359000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	20487000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	6926000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	4422000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	2384000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	1701000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	1568000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	9921000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	26922000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	6790000	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	12000	USD
CY2019	us-gaap	Sublease Income SubleaseIncome	232000	USD
CY2019	us-gaap	Lease Cost LeaseCost	6570000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	6900000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	27924000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	6700000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	57399000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	55158000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	30148000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	27234000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	27251000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	4172000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	3926000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	3199000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	2097000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	1768000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	12089000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	27251000	USD
CY2019Q4	masi	Finite Lived Patents Gross Not Amortized FiniteLivedPatentsGrossNotAmortized	6100000	USD
CY2018Q4	masi	Finite Lived Patents Gross Not Amortized FiniteLivedPatentsGrossNotAmortized	5300000	USD
CY2019Q4	masi	Finite Lived Trademarks Gross Not Amortized FiniteLivedTrademarksGrossNotAmortized	700000	USD
CY2018Q4	masi	Finite Lived Trademarks Gross Not Amortized FiniteLivedTrademarksGrossNotAmortized	500000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	23297000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	20617000	USD
CY2019	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-651000	USD
CY2018	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	3402000	USD
CY2019	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-296000	USD
CY2018	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-722000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	22350000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	23297000	USD
CY2018Q3	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	4000000.0	USD
CY2018Q3	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	2800000	USD
CY2018Q3	masi	Deferred Tax Adjustmentfrom Purchase Price Allocation DeferredTaxAdjustmentfromPurchasePriceAllocation	700000	USD
CY2019Q4	us-gaap	Customer Advances Or Deposits Noncurrent CustomerAdvancesOrDepositsNoncurrent	19137000	USD
CY2018Q4	us-gaap	Customer Advances Or Deposits Noncurrent CustomerAdvancesOrDepositsNoncurrent	0	USD
CY2019Q4	us-gaap	Equity Method Investments EquityMethodInvestments	6475000	USD
CY2018Q4	us-gaap	Equity Method Investments EquityMethodInvestments	1200000	USD
CY2019Q4	us-gaap	Deposits Assets Noncurrent DepositsAssetsNoncurrent	3022000	USD
CY2018Q4	us-gaap	Deposits Assets Noncurrent DepositsAssetsNoncurrent	2881000	USD
CY2019Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	157000	USD
CY2018Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	151000	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	28791000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	4232000	USD
CY2019Q4	us-gaap	Deferred Revenue DeferredRevenue	13998000	USD
CY2018Q4	us-gaap	Deferred Revenue DeferredRevenue	10328000	USD
CY2019Q4	masi	Accruedrebatesandallowances Accruedrebatesandallowances	8436000	USD
CY2018Q4	masi	Accruedrebatesandallowances Accruedrebatesandallowances	7269000	USD
CY2019Q4	us-gaap	Accounts Payable Related Parties Current AccountsPayableRelatedPartiesCurrent	5739000	USD
CY2018Q4	us-gaap	Accounts Payable Related Parties Current AccountsPayableRelatedPartiesCurrent	16194000	USD
CY2019Q4	us-gaap	Other Liabilities And Deferred Revenue Noncurrent OtherLiabilitiesAndDeferredRevenueNoncurrent	28173000	USD
CY2018Q4	us-gaap	Other Liabilities And Deferred Revenue Noncurrent OtherLiabilitiesAndDeferredRevenueNoncurrent	33791000	USD
CY2019Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	2234000	USD
CY2018Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	1737000	USD
CY2019Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	25939000	USD
CY2018Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	32054000	USD
CY2018Q4	us-gaap	Deferred Revenue DeferredRevenue	10328000	USD
CY2019	us-gaap	Deferred Revenue Additions DeferredRevenueAdditions	11261000	USD
CY2019	us-gaap	Deferred Revenue Revenue Recognized1 DeferredRevenueRevenueRecognized1	7591000	USD
CY2019Q4	us-gaap	Deferred Revenue DeferredRevenue	13998000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	201874000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	319513000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	150928000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	39515000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	711830000	USD
CY2019Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	7545000	USD
CY2018Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	6465000	USD
CY2019Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	7142000	USD
CY2018Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	3071000	USD
CY2019Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	6115000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	5038000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	4653000	USD
CY2018Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	0	USD
CY2019Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	3395000	USD
CY2018Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	1910000	USD
CY2019Q4	us-gaap	Due To Related Parties Current DueToRelatedPartiesCurrent	3024000	USD
CY2018Q4	us-gaap	Due To Related Parties Current DueToRelatedPartiesCurrent	4000000	USD
CY2019Q4	us-gaap	Accrued Professional Fees Current And Noncurrent AccruedProfessionalFeesCurrentAndNoncurrent	1839000	USD
CY2018Q4	us-gaap	Accrued Professional Fees Current And Noncurrent AccruedProfessionalFeesCurrentAndNoncurrent	1481000	USD
CY2019Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	1629000	USD
CY2018Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	791000	USD
CY2019Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	1685000	USD
CY2018Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	1871000	USD
CY2019Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	37027000	USD
CY2018Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	24627000	USD
CY2019Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	1700000	USD
CY2019Q4	masi	Income Tax Payable Noncurrent IncomeTaxPayableNoncurrent	21509000	USD
CY2018Q4	masi	Income Tax Payable Noncurrent IncomeTaxPayableNoncurrent	21522000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	15834000	USD
CY2018Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	0	USD
CY2019Q4	masi	Unrecognized Tax Benefits Liabilities Noncurrent UnrecognizedTaxBenefitsLiabilitiesNoncurrent	13184000	USD
CY2018Q4	masi	Unrecognized Tax Benefits Liabilities Noncurrent UnrecognizedTaxBenefitsLiabilitiesNoncurrent	11717000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	3052000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	2956000	USD
CY2019Q4	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	2456000	USD
CY2018Q4	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	3003000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	56035000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	39198000	USD
CY2019Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	4700000	USD
CY2019	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	275000	shares
CY2018	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	196000	shares
CY2017	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	804000	shares
CY2019	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	136.61
CY2018	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	84.12
CY2017	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	84.90
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	39200000	USD
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	27400000	USD
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	17200000	USD
CY2019Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	10800000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	2400000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5676000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	43.61
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	6953000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	36.26
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	8521000	shares
CY2016Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	28.56
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	545000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	140.56
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	564000	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	98.47
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	928000	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	86.69
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	158000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	83.14
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	233000	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	67.45
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	250000	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	38.59
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	851000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	33.32
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1608000	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	27.62
CY2017	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	2246000	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	27.63
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5212000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	54.23
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5676000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	43.61
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	6953000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	36.26
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	3311000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	33.80
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	3273000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5212000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	29.63
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	3812000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	26.28
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y7M6D
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	3311000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5676000	shares
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y3D
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	3273000	shares
CY2019	masi	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term Price Below Market Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermPriceBelowMarketValue	P5Y7M6D
CY2018	masi	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term Price Below Market Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermPriceBelowMarketValue	P6Y
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y3M18D
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y8M12D
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Rights ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights	P3Y
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Rights ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights	P3Y
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	42.29
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	31.85
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	27.81
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	14200000	USD
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	13700000	USD
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	10500000	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	548600000	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	416200000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	93900000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	127100000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	140300000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	15700000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	22000000.0	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	39200000	USD
CY2017	us-gaap	Interest Income Other InterestIncomeOther	2974000	USD
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-627000	USD
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-2027000	USD
CY2017	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-270000	USD
CY2019	us-gaap	Interest Expense InterestExpense	328000	USD
CY2019	us-gaap	Interest Income Other InterestIncomeOther	13917000	USD
CY2018	us-gaap	Interest Income Other InterestIncomeOther	8178000	USD
CY2018	us-gaap	Interest Expense InterestExpense	706000	USD
CY2017	us-gaap	Interest Expense InterestExpense	678000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	12000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-287000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	13000	USD
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	12950000	USD
CY2018	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	5732000	USD
CY2017	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2013000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	181664000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	173848000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	159245000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	52502000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	39928000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	26555000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	234166000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	213776000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	185800000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	30218000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	20418000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	38777000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5273000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3075000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1940000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	8424000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	5014000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	3018000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	43915000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	28507000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	43735000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-3732000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-6678000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	20735000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1985000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1258000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-3420000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-248000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-338000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-39000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5965000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-8274000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	17276000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	37950000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20233000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	61011000	USD
CY2019	masi	Tax And Accrued Interest Related To Uncertain Tax Positions Increase Decrease TaxAndAccruedInterestRelatedToUncertainTaxPositionsIncreaseDecrease	1800000	USD
CY2018	masi	Tax And Accrued Interest Related To Uncertain Tax Positions Increase Decrease TaxAndAccruedInterestRelatedToUncertainTaxPositionsIncreaseDecrease	-1600000	USD
CY2017	masi	Tax And Accrued Interest Related To Uncertain Tax Positions Increase Decrease TaxAndAccruedInterestRelatedToUncertainTaxPositionsIncreaseDecrease	1600000	USD
CY2019	masi	Statutory Regular Federal Income Tax Rate StatutoryRegularFederalIncomeTaxRate	0.210
CY2018	masi	Statutory Regular Federal Income Tax Rate StatutoryRegularFederalIncomeTaxRate	0.210
CY2017	masi	Statutory Regular Federal Income Tax Rate StatutoryRegularFederalIncomeTaxRate	0.350
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CY2017Q4	us-gaap	Noncurrent Assets NoncurrentAssets	257357000	USD
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$MASI
MASIMO CORP Stock $masi

2019 Q4 Form 10-K Financial Statement

#000093755620000030 Filed on February 19, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MASI MASIMO CORP Stock $masi

2019 Q4 Form 10-K Financial Statement

#000093755620000030 Filed on February 19, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MASI
MASIMO CORP Stock $masi