$MMSI
MERIT MEDICAL SYSTEMS INC Stock $mmsi

$mmsi Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-K Financial Statement

#000085698220000011 Filed on March 02, 2020

Income Statement

Concept	2018 Q4	2018 Q3	2018 Q2
Revenue	$233.2M	$221.7M	$224.8M
YoY Change	22.19%	23.6%	20.51%
Cost Of Revenue	$128.6M	$119.6M	$124.8M
YoY Change	22.24%	21.04%	21.87%
Gross Profit	$104.7M	$102.0M	$100.0M
YoY Change	22.19%	26.73%	18.86%
Gross Profit Margin	44.87%	46.03%	44.49%
Selling, General & Admin	$75.60M	$66.38M	$69.10M
YoY Change	27.92%	21.32%	20.36%
% of Gross Profit	72.23%	65.06%	69.09%
Research & Development	$15.60M	$14.53M	$15.32M
YoY Change	22.83%	13.14%	15.05%
% of Gross Profit	14.9%	14.23%	15.31%
Depreciation & Amortization	$19.10M	$17.60M	$17.50M
YoY Change	34.51%	28.47%	35.66%
% of Gross Profit	18.25%	17.25%	17.5%
Operating Expenses	$91.00M	$80.98M	$84.90M
YoY Change	27.27%	1.69%	19.94%
Operating Profit	$13.66M	$21.06M	$15.11M
YoY Change	3.34%	2296.02%	13.11%
Interest Expense	-$1.900M	$2.329M	$3.338M
YoY Change	11.76%	46.48%	103.66%
% of Operating Profit	-13.91%	11.06%	22.09%
Other Income/Expense, Net	$500.0K	-$1.676M	-$3.549M
YoY Change	-200.0%	-45.65%	73.21%
Pretax Income	$12.20M	$19.39M	$11.57M
YoY Change	7.96%	-979.14%	2.23%
Income Tax	$3.022M	$2.766M	$624.0K
% Of Pretax Income	24.77%	14.27%	5.4%
Net Earnings	$9.188M	$16.62M	$10.94M
YoY Change	35.0%	-565.65%	15.37%
Net Earnings / Revenue	3.94%	7.5%	4.87%
Basic Earnings Per Share	$0.17	$0.31	$0.22
Diluted Earnings Per Share	$0.16	$0.30	$0.21
COMMON SHARES
Basic Shares Outstanding	54.83M shares	53.43M	50.47M shares
Diluted Shares Outstanding		55.10M	52.15M shares

Balance Sheet

Concept	2018 Q4	2018 Q3	2018 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$67.40M	$52.00M	$43.50M
YoY Change	108.67%	122.22%	15.38%
Cash & Equivalents	$67.36M	$51.96M	$43.51M
Short-Term Investments
Other Short-Term Assets	$15.00M	$15.00M	$15.40M
YoY Change	21.95%	-35.62%	31.62%
Inventory	$197.5M	$181.4M	$169.3M
Prepaid Expenses
Receivables	$137.2M	$129.3M	$131.9M
Other Receivables	$12.80M	$9.900M	$10.90M
Total Short-Term Assets	$429.8M	$387.6M	$371.0M
YoY Change	35.97%	29.27%	25.51%
LONG-TERM ASSETS
Property, Plant & Equipment	$331.5M	$319.9M	$311.8M
YoY Change	13.19%	10.21%	9.31%
Goodwill	$335.4M	$249.0M	$249.0M
YoY Change	40.85%	6.4%	9.77%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$57.58M	$61.93M	$58.08M
YoY Change	64.32%	91.06%	87.0%
Total Long-Term Assets	$1.190B	$922.2M	$920.2M
YoY Change	49.58%	17.14%	21.68%
TOTAL ASSETS
Total Short-Term Assets	$429.8M	$387.6M	$371.0M
Total Long-Term Assets	$1.190B	$922.2M	$920.2M
Total Assets	$1.620B	$1.310B	$1.291B
YoY Change	45.71%	20.49%	22.75%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$54.00M	$50.70M	$50.80M
YoY Change	54.73%	56.97%	38.42%
Accrued Expenses	$96.17M	$65.53M	$65.84M
YoY Change	63.19%	15.97%	11.24%
Deferred Revenue
YoY Change
Short-Term Debt	$7.000M	$7.000M	$6.985M
YoY Change	0.59%	0.55%	0.23%
Long-Term Debt Due	$22.00M	$22.00M	$21.99M
YoY Change	13.06%	29.7%	29.56%
Total Short-Term Liabilities	$175.3M	$139.8M	$139.6M
YoY Change	51.65%	29.78%	21.46%
LONG-TERM LIABILITIES
Long-Term Debt	$373.2M	$186.9M	$391.6M
YoY Change	44.07%	-28.4%	74.08%
Other Long-Term Liabilities	$65.49M	$14.81M	$16.07M
YoY Change	299.87%	1.06%	69.01%
Total Long-Term Liabilities	$438.6M	$201.7M	$407.7M
YoY Change	59.28%	-26.83%	73.87%
TOTAL LIABILITIES
Total Short-Term Liabilities	$175.3M	$139.8M	$139.6M
Total Long-Term Liabilities	$438.6M	$201.7M	$407.7M
Total Liabilities	$687.2M	$386.7M	$591.9M
YoY Change	57.81%	-8.01%	53.6%
SHAREHOLDERS EQUITY
Retained Earnings	$363.4M	$354.2M	$337.6M
YoY Change	13.07%	12.6%	6.11%
Common Stock	$571.4M	$568.1M	$359.6M
YoY Change	61.69%	61.69%	3.31%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$932.8M	$923.2M	$699.3M
YoY Change
Total Liabilities & Shareholders Equity	$1.620B	$1.310B	$1.291B
YoY Change	45.71%	20.49%	22.75%

Cashflow Statement

Concept	2018 Q4	2018 Q3	2018 Q2
OPERATING ACTIVITIES
Net Income	$9.188M	$16.62M	$10.94M
YoY Change	35.0%	-565.65%	15.37%
Depreciation, Depletion And Amortization	$19.10M	$17.60M	$17.50M
YoY Change	34.51%	28.47%	35.66%
Cash From Operating Activities	$23.60M	$27.90M	$27.10M
YoY Change	22.28%	217.05%	39.69%
INVESTING ACTIVITIES
Capital Expenditures	-$17.00M	-$16.00M	-$16.20M
YoY Change	73.47%	28.0%	100.0%
Acquisitions
YoY Change
Other Investing Activities	-$179.0M	-$4.300M	-$29.00M
YoY Change	8423.81%	-91.17%	297.26%
Cash From Investing Activities	-$196.0M	-$20.30M	-$45.20M
YoY Change	1547.06%	-66.83%	193.51%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$205.0M
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	187.9M	2.300M	28.60M
YoY Change	23387.5%	-93.96%	314.49%
NET CHANGE
Cash From Operating Activities	23.60M	27.90M	27.10M
Cash From Investing Activities	-196.0M	-20.30M	-45.20M
Cash From Financing Activities	187.9M	2.300M	28.60M
Net Change In Cash	15.50M	9.900M	10.50M
YoY Change	89.02%	-169.23%	-3.67%
FREE CASH FLOW
Cash From Operating Activities	$23.60M	$27.90M	$27.10M
Capital Expenditures	-$17.00M	-$16.00M	-$16.20M
Free Cash Flow	$40.60M	$43.90M	$43.30M
YoY Change	39.52%	106.1%	57.45%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0000856982
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Amendment Flag AmendmentFlag	false
CY2018	us-gaap	Fair Value Recurring Basis Unobservable Input Reconciliation Liability Gain Loss Statement Of Income Extensible List FairValueRecurringBasisUnobservableInputReconciliationLiabilityGainLossStatementOfIncomeExtensibleList	us-gaap:BusinessCombinationContingentConsiderationArrangementsContingentConsiderationBenefit
CY2019	us-gaap	Fair Value Recurring Basis Unobservable Input Reconciliation Liability Gain Loss Statement Of Income Extensible List FairValueRecurringBasisUnobservableInputReconciliationLiabilityGainLossStatementOfIncomeExtensibleList	us-gaap:BusinessCombinationContingentConsiderationArrangementsContingentConsiderationBenefit
CY2019	dei	Entity Registrant Name EntityRegistrantName	MERIT MEDICAL SYSTEMS INC
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	55213000
CY2019	mmsi	Defined Contribution Plan Minimum Service Requirement DefinedContributionPlanMinimumServiceRequirement	P90D
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	54893000
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000
CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-12-31
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Entity File Number EntityFileNumber	0-18592
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	UT
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	87-0447695
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	1600 West Merit Parkway
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	South Jordan
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	UT
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	84095
CY2019	dei	City Area Code CityAreaCode	801
CY2019	dei	Local Phone Number LocalPhoneNumber	253-1600
CY2019	dei	Security12b Title Security12bTitle	Common Stock, no par value
CY2019	dei	Trading Symbol TradingSymbol	MMSI
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
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Entity Shell Company EntityShellCompany	false
CY2019Q2	dei	Entity Public Float EntityPublicFloat	3200000000
CY2020Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	55216906
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	44320000
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	67359000
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3108000
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2355000
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	155365000
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	137174000
CY2019Q4	us-gaap	Nontrade Receivables Current NontradeReceivablesCurrent	10016000
CY2018Q4	us-gaap	Nontrade Receivables Current NontradeReceivablesCurrent	11879000
CY2019Q4	us-gaap	Inventory Net InventoryNet	225698000
CY2018Q4	us-gaap	Inventory Net InventoryNet	197536000
CY2019Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	12497000
CY2018Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	11326000
CY2019Q4	us-gaap	Prepaid Taxes PrepaidTaxes	3491000
CY2018Q4	us-gaap	Prepaid Taxes PrepaidTaxes	3627000
CY2019Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	3151000
CY2018Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	933000
CY2019Q4	us-gaap	Assets Current AssetsCurrent	454538000
CY2018Q4	us-gaap	Assets Current AssetsCurrent	429834000
CY2019Q4	us-gaap	Land Land	27554000
CY2018Q4	us-gaap	Land Land	26801000
CY2019Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	153863000
CY2018Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	151251000
CY2019Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	244368000
CY2018Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	221029000
CY2019Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	57623000
CY2018Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	54765000
CY2019Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	43311000
CY2018Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	33678000
CY2019Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	83685000
CY2018Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	53491000
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	610404000
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	541015000
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	231619000
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	209563000
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	378785000
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	331452000
CY2019Q4	us-gaap	Goodwill Goodwill	353193000
CY2018Q4	us-gaap	Goodwill Goodwill	335433000
CY2019Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	3788000
CY2018Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	3001000
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	80244000
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CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	57579000
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CY2018Q4	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	54024000
CY2019Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	105184000
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	96173000
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	7500000
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CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	11550000
CY2019Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	2799000
CY2018Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	3146000
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	181656000
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	175343000
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	431984000
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CY2018Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	56363000
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CY2018Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	392000
CY2019Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	1990000
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CY2018Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000
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CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2019Q4	us-gaap	Preferred Stock Value PreferredStockValue	0
CY2018Q4	us-gaap	Preferred Stock Value PreferredStockValue	0
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	55213000
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	54893000
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	587017000
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	571383000
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	368221000
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	363425000
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5294000
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2033000
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	949944000
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CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1620012000
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	994852000
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CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	562486000
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CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	327274000
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CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	229134000
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CY2019	mmsi	Business Combination Contingent Consideration Arrangements Contingent Consideration Benefit BusinessCombinationContingentConsiderationArrangementsContingentConsiderationBenefit	232000
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CY2017	mmsi	Business Combination Contingent Consideration Arrangements Contingent Consideration Benefit BusinessCombinationContingentConsiderationArrangementsContingentConsiderationBenefit	298000
CY2019	us-gaap	Research And Development Asset Acquired Other Than Through Business Combination Written Off ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff	525000
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CY2017	us-gaap	Research And Development Asset Acquired Other Than Through Business Combination Written Off ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff	12136000
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CY2017	us-gaap	Operating Expenses OperatingExpenses	293184000
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	15434000
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CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	33069000
CY2019	us-gaap	Investment Income Net InvestmentIncomeNet	-291000
CY2018	us-gaap	Investment Income Net InvestmentIncomeNet	1199000
CY2017	us-gaap	Investment Income Net InvestmentIncomeNet	381000
CY2019	us-gaap	Interest Expense InterestExpense	12413000
CY2018	us-gaap	Interest Expense InterestExpense	10360000
CY2017	us-gaap	Interest Expense InterestExpense	7736000
CY2017	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	11039000
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-537000
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	63000
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-872000
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-13241000
CY2018	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-9098000
CY2017	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2812000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	2193000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	49519000
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	35881000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-3258000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7502000
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8358000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	5451000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	42017000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	27523000
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.10
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.80
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.56
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.10
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.78
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.55
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55075000
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52268000
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48805000
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56235000
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53931000
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50101000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	5451000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	42017000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	27523000
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-5456000
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	64000
CY2017	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	901000
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	-1404000
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	16000
CY2017	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent	350000
CY2019	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-18000
CY2018	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-3606000
CY2017	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	3117000
CY2019	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	-61000
CY2018	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	9000
CY2017	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	252000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4009000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3567000
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	3416000
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1442000
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	38450000
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	30939000
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	498189000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	27523000
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	3416000
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4075000
CY2017	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	5689000
CY2017	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	836000
CY2017	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	136606000
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	676334000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	42017000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3567000
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6117000
CY2018	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	10634000
CY2018	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1087000
CY2018	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	205030000
CY2018	mmsi	Stock Surrendered During Period Value Payroll Tax Liabilities Stock Options Exercised StockSurrenderedDuringPeriodValuePayrollTaxLiabilitiesStockOptionsExercised	2616000
CY2018	mmsi	Stock Surrendered During Period Value Stock Options Exercised StockSurrenderedDuringPeriodValueStockOptionsExercised	2261000
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	932775000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	5451000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4009000
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	9382000
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	4930000
CY2019	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1415000
CY2019	mmsi	Stock Surrendered During Period Value Stock Options Exercised StockSurrenderedDuringPeriodValueStockOptionsExercised	93000
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	949944000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	5451000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	42017000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	27523000
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	92100000
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	69546000
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	53582000
CY2017	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	11039000
CY2019	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-115000
CY2018	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-625000
CY2017	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-427000
CY2019	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	25563000
CY2018	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	814000
CY2017	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	988000
CY2019	us-gaap	Research And Development Asset Acquired Other Than Through Business Combination Written Off ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff	525000
CY2018	us-gaap	Research And Development Asset Acquired Other Than Through Business Combination Written Off ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff	644000
CY2017	us-gaap	Research And Development Asset Acquired Other Than Through Business Combination Written Off ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff	12136000
CY2019	mmsi	Operating Lease Rightof Use Asset Amortization OperatingLeaseRightofUseAssetAmortization	12256000
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	139000
CY2018	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	142000
CY2017	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	147000
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	721000
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	804000
CY2017	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	685000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-12436000
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2052000
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1304000
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	9382000
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	6117000
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	4075000
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	17900000
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	27522000
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	12844000
CY2019	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	-1859000
CY2018	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	2754000
CY2017	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	3557000
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	27044000
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	28172000
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	17834000
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1239000
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2000000
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1236000
CY2019	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	-128000
CY2018	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	444000
CY2017	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	611000
CY2019	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	2247000
CY2018	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-232000
CY2017	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	588000
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	5141000
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-315000
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	3735000
CY2019	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-2295000
CY2018	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	15726000
CY2017	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	417000
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	9580000
CY2018	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	12706000
CY2017	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	6461000
CY2019	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-351000
CY2018	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	918000
CY2017	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	21000
CY2019	mmsi	Increase Decreasein Income Taxes Payable Noncurrent IncreaseDecreaseinIncomeTaxesPayableNoncurrent	-45000
CY2018	mmsi	Increase Decreasein Income Taxes Payable Noncurrent IncreaseDecreaseinIncomeTaxesPayableNoncurrent	-4454000
CY2017	mmsi	Increase Decreasein Income Taxes Payable Noncurrent IncreaseDecreaseinIncomeTaxesPayableNoncurrent	4846000
CY2019	mmsi	Increase Decrease Liability For Uncertain Tax Positions IncreaseDecreaseLiabilityForUncertainTaxPositions	-794000
CY2018	mmsi	Increase Decrease Liability For Uncertain Tax Positions IncreaseDecreaseLiabilityForUncertainTaxPositions	267000
CY2017	mmsi	Increase Decrease Liability For Uncertain Tax Positions IncreaseDecreaseLiabilityForUncertainTaxPositions	-19000
CY2019	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	3635000
CY2018	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	39000
CY2017	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	1970000
CY2017	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	682000
CY2019	mmsi	Increase Decreasein Operating Lease Liability IncreaseDecreaseinOperatingLeaseLiability	-11970000
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-1901000
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-801000
CY2017	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	2510000
CY2019	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	72362000
CY2018	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	44516000
CY2017	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	35204000
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	77813000
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	86533000
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	62727000
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	78173000
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	63324000
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	38623000
CY2019	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	3324000
CY2018	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	3012000
CY2017	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	2577000
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	920000
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	55000
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	21000
CY2018	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	10750000
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	53904000
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	301789000
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	105582000
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-134481000
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-378820000
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-146761000
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	6252000
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	214993000
CY2017	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	143810000
CY2018	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	366000
CY2017	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	816000
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	246659000
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	639108000
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	197214000
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	202159000
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	522608000
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	243214000
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1479000
CY2017	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	416000
CY2019	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	15740000
CY2018	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	231000
CY2017	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	61000
CY2018	mmsi	Payments Related To Tax Withholding For Exchange Of Common Stock PaymentsRelatedToTaxWithholdingForExchangeOfCommonStock	2616000
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	33533000
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	328280000
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	96517000
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	96000
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-970000
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-23039000
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	35023000
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	13165000
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	67359000
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	32336000
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	19171000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	44320000
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	67359000
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	32336000
CY2019	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	1290000
CY2018	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	647000
CY2017	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	513000
CY2019	us-gaap	Interest Paid Net InterestPaidNet	12434000
CY2018	us-gaap	Interest Paid Net InterestPaidNet	10324000
CY2017	us-gaap	Interest Paid Net InterestPaidNet	7707000
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	12069000
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	8692000
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	6049000
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	7952000
CY2018	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	4989000
CY2017	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1992000
CY2017	us-gaap	Notes Issued1 NotesIssued1	137000
CY2019	mmsi	Acquisition Of Developed Technology In Accrued Expenses AcquisitionOfDevelopedTechnologyInAccruedExpenses	10541000
CY2018	mmsi	Acquisition Of Developed Technology In Accrued Expenses AcquisitionOfDevelopedTechnologyInAccruedExpenses	72209000
CY2017	mmsi	Acquisition Of Developed Technology In Accrued Expenses AcquisitionOfDevelopedTechnologyInAccruedExpenses	10488000
CY2019	mmsi	Stock Surrendered During Period Shares Stock Options Exercised StockSurrenderedDuringPeriodSharesStockOptionsExercised	3000
CY2018	mmsi	Stock Surrendered During Period Shares Stock Options Exercised StockSurrenderedDuringPeriodSharesStockOptionsExercised	43000
CY2017	mmsi	Stock Surrendered During Period Shares Stock Options Exercised StockSurrenderedDuringPeriodSharesStockOptionsExercised	0
CY2019	mmsi	Stock Surrendered During Period Value Stock Options Exercised StockSurrenderedDuringPeriodValueStockOptionsExercised	93000
CY2018	mmsi	Stock Surrendered During Period Value Stock Options Exercised StockSurrenderedDuringPeriodValueStockOptionsExercised	2261000
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	10637000
CY2019	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2
CY2019	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2
CY2019	mmsi	Number Of Core Products Groups NumberOfCoreProductsGroups	6
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-family:'Times New Roman';font-size:10pt;text-align:justify;text-indent:36pt;margin:0pt 0pt 12pt 0pt;"><b style="font-weight:bold;">Use of Estimates in Preparing Financial Statements</b>. The preparation of financial statements in conformity with accounting principles generally accepted in the United States ("U.S. 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 the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</p>
CY2019	us-gaap	Depreciation Depreciation	31400000
CY2018	us-gaap	Depreciation Depreciation	28300000
CY2017	us-gaap	Depreciation Depreciation	26800000
CY2019Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	15100000
CY2018Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	11700000
CY2019Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	14900000
CY2018Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	11200000
CY2019Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	15053000
CY2018Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	11716000
CY2019Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	17129000
CY2018Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	22530000
CY2019Q4	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	2722000
CY2018Q4	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	13504000
CY2019Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	6557000
CY2018Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	9829000
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	41461000
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	57579000
CY2019Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	48088000
CY2018Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	58486000
CY2019Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	8385000
CY2018Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	7008000
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	56473000
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	65494000
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	9400000
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6100000
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4100000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Transition Tax On Accumulated Foreign Earnings Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount	5600000
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	994852000
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	882753000
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	727852000
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	882753000
CY2018	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	928336000
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	727852000
CY2017	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	768571000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	42017000
CY2018	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	20699000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	27523000
CY2017	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-13720000
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.80
CY2018	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Basic BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic	0.40
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.56
CY2017	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Basic BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic	-0.28
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.78
CY2018	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Diluted BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted	0.38
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.55
CY2017	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Diluted BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted	-0.27
CY2019Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	134467000
CY2018Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	117703000
CY2019Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	17602000
CY2018Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	14380000
CY2019Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	73629000
CY2018Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	65453000
CY2019Q4	us-gaap	Inventory Net InventoryNet	225698000
CY2018Q4	us-gaap	Inventory Net InventoryNet	197536000
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	461000
CY2018Q4	us-gaap	Goodwill Goodwill	335433000
CY2017Q4	us-gaap	Goodwill Goodwill	238147000
CY2019	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	199000
CY2018	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	1304000
CY2019	mmsi	Goodwill Purchase Accounting Adjustmentsand Additions GoodwillPurchaseAccountingAdjustmentsandAdditions	17959000
CY2018	mmsi	Goodwill Purchase Accounting Adjustmentsand Additions GoodwillPurchaseAccountingAdjustmentsandAdditions	98590000
CY2019Q4	us-gaap	Goodwill Goodwill	353193000
CY2018Q4	us-gaap	Goodwill Goodwill	335433000
CY2018Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	8300000
CY2019Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	8300000
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	60700000
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	41200000
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	26800000
CY2019	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	3300000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	59386000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	52032000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	50682000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	49485000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	46506000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2018	us-gaap	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Change In Tax Rate Provisional Income Tax Expense Benefit TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateProvisionalIncomeTaxExpenseBenefit	-8400000
CY2018	us-gaap	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Transition Tax For Accumulated Foreign Earnings Provisional Income Tax Expense TaxCutsAndJobsActOf2017IncompleteAccountingTransitionTaxForAccumulatedForeignEarningsProvisionalIncomeTaxExpense	10600000
CY2018	us-gaap	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Income Tax Expense Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit	-71000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	-3300000
CY2019	mmsi	Tax Cutsand Jobs Actof2017 Global Intangible Low Taxed Income Income Tax Expense TaxCutsandJobsActof2017GlobalIntangibleLowTaxedIncomeIncomeTaxExpense	1900000
CY2018	mmsi	Tax Cutsand Jobs Actof2017 Global Intangible Low Taxed Income Income Tax Expense TaxCutsandJobsActof2017GlobalIntangibleLowTaxedIncomeIncomeTaxExpense	347000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Transition Tax On Accumulated Foreign Earnings Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount	638000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-37277000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	21084000
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	14531000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	39470000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	28435000
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	21350000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	2193000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	49519000
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	35881000
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	479000
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-1132000
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	3849000
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	662000
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	582000
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	645000
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	8037000
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	6000000
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	5168000
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	9178000
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	5450000
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	9662000
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-8111000
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	4400000
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-314000
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-3523000
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-667000
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-216000
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-802000
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-1681000
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-774000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-12436000
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2052000
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1304000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-3258000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7502000
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8358000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2019	mmsi	Uncertain Tax Positions Reduction Resulting From Liabilities For Non Current Deferred Income Tax Assets UncertainTaxPositionsReductionResultingFromLiabilitiesForNonCurrentDeferredIncomeTaxAssets	230000
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	279000
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	1567000
CY2018Q4	mmsi	Unrecognized Tax Benefits Gross Including Interest And Penalties UnrecognizedTaxBenefitsGrossIncludingInterestAndPenalties	3300000
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	10399000
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	12559000
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-2241000
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-59000
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	1734000
CY2017	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	1377000
CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-1536000
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-1361000
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-3329000
CY2019	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-794000
CY2018	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	267000
CY2017	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-19000
CY2019	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	503000
CY2018	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	-186000
CY2017	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	479000
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	154000
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	223000
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	90000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	-3271000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017Amount	10612000
CY2018	mmsi	Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Remeasurementof Deferred Tax Asset EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017RemeasurementofDeferredTaxAsset	71000
CY2017	mmsi	Effective Income Tax Rate Reconciliation Tax Cutsand Jobs Actof2017 Remeasurementof Deferred Tax Asset EffectiveIncomeTaxRateReconciliationTaxCutsandJobsActof2017RemeasurementofDeferredTaxAsset	8383000
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-1654000
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-4278000
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-2264000
CY2017	mmsi	Effective Income Tax Rate Reconciliation Bargain Purchase Gain On Acquisition Of Business EffectiveIncomeTaxRateReconciliationBargainPurchaseGainOnAcquisitionOfBusiness	1570000
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Research And Development IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopment	1486000
CY2019	mmsi	Tax Cutsand Jobs Actof2017 Global Intangible Low Taxed Income Income Tax Expense TaxCutsandJobsActof2017GlobalIntangibleLowTaxedIncomeIncomeTaxExpense	1861000
CY2018	mmsi	Tax Cutsand Jobs Actof2017 Global Intangible Low Taxed Income Income Tax Expense TaxCutsandJobsActof2017GlobalIntangibleLowTaxedIncomeIncomeTaxExpense	347000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Transition Tax On Accumulated Foreign Earnings Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount	638000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Transition Tax On Accumulated Foreign Earnings Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount	5590000
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1923000
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1264000
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	753000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-3258000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7502000
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8358000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Returns And Allowances DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances	693000
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Returns And Allowances DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances	606000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	9244000
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	7414000
CY2019Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	2207000
CY2018Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	1269000
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	21187000
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	20226000
CY2019Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	552000
CY2018Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	46000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	4672000
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2833000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Rent DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent	16838000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	1376000
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	6189000
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	9243000
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	62958000
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	41637000
CY2019Q4	us-gaap	Deferred Tax Liabilities Deferred Expense DeferredTaxLiabilitiesDeferredExpense	1128000
CY2018Q4	us-gaap	Deferred Tax Liabilities Deferred Expense DeferredTaxLiabilitiesDeferredExpense	1142000
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	21242000
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	20045000
CY2019Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	53933000
CY2018Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	58883000
CY2019Q4	mmsi	Deferred Tax Liabilities Foreign Withholding Tax DeferredTaxLiabilitiesForeignWithholdingTax	5240000
CY2018Q4	mmsi	Deferred Tax Liabilities Foreign Withholding Tax DeferredTaxLiabilitiesForeignWithholdingTax	5590000
CY2019Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	15847000
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	2372000
CY2018Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	4350000
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	99762000
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	90010000
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	4644000
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	4989000
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	41448000
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	53362000
CY2019Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	3788000
CY2018Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	3001000
CY2019Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	45236000
CY2018Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	56363000
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	41448000
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	53362000
CY2019	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-345000
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	567000
CY2017	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	636000
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	93300000
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	86300000
CY2019	mmsi	Net Operating Loss Carryforwards Utilization NetOperatingLossCarryforwardsUtilization	P23Y
CY2019	mmsi	Net Operating Loss Carryforwards Used In Current Period NetOperatingLossCarryforwardsUsedInCurrentPeriod	20600000
CY2018	mmsi	Net Operating Loss Carryforwards Used In Current Period NetOperatingLossCarryforwardsUsedInCurrentPeriod	11900000
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	3400000
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Not Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration	2400000
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration	1000000.0
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	5900000
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Not Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration	5200000
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration	761000
CY2019Q4	mmsi	Unrecognized Tax Benefits Gross Including Interest And Penalties UnrecognizedTaxBenefitsGrossIncludingInterestAndPenalties	2500000
CY2019Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2200000
CY2018Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	373000
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	37.86
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4319000
CY2019	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	-7000
CY2018Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	3000000.0
CY2018	mmsi	Uncertain Tax Positions Reduction Resulting From Liabilities For Non Current Deferred Income Tax Assets UncertainTaxPositionsReductionResultingFromLiabilitiesForNonCurrentDeferredIncomeTaxAssets	0
CY2019	mmsi	Uncertain Tax Positions Reduction Resultingfrom Liabilitiesfor Unrecognized Tax Benefits UncertainTaxPositionsReductionResultingfromLiabilitiesforUnrecognizedTaxBenefits	307000
CY2019	mmsi	Uncertain Tax Positions Reduction Resultingfrom Liabilitiesfor Unrecognized Tax Benefits UncertainTaxPositionsReductionResultingfromLiabilitiesforUnrecognizedTaxBenefits	307000
CY2019Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	366000
CY2018	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	69000
CY2017	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	88000
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2947000
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2749000
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2549000
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	244000
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	35000
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	80000
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	229000
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	586000
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	403000
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	771000
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	423000
CY2017	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	283000
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2161000
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2947000
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2749000
CY2019Q4	us-gaap	Employee Related Liabilities Current And Noncurrent EmployeeRelatedLiabilitiesCurrentAndNoncurrent	39781000
CY2018Q4	us-gaap	Employee Related Liabilities Current And Noncurrent EmployeeRelatedLiabilitiesCurrentAndNoncurrent	37396000
CY2019Q4	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	28621000
CY2018Q4	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	23760000
CY2019Q4	mmsi	Advances From Employees Current AdvancesFromEmployeesCurrent	286000
CY2018Q4	mmsi	Advances From Employees Current AdvancesFromEmployeesCurrent	540000
CY2019Q4	mmsi	Accrued Rebates Payable Current AccruedRebatesPayableCurrent	9202000
CY2018Q4	mmsi	Accrued Rebates Payable Current AccruedRebatesPayableCurrent	6789000
CY2019Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	27294000
CY2018Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	27688000
CY2019Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	105184000
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	96173000
CY2019Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	516000
CY2018Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	348000
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	439484000
CY2018Q4	us-gaap	Long Term Debt LongTermDebt	395152000
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	7500000
CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	22000000
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	431984000
CY2018Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	373152000
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	34.10
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	9.57
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	7500000
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	7500000
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	8438000
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	11250000
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	405312000
CY2019Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	440000000
CY2019	us-gaap	Royalty Expense RoyaltyExpense	6700000
CY2018	us-gaap	Royalty Expense RoyaltyExpense	5300000
CY2017	us-gaap	Royalty Expense RoyaltyExpense	4400000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	5451000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	42017000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	27523000
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55075000
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52268000
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48805000
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.10
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.80
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.56
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55075000
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52268000
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48805000
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1160000
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1663000
CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1296000
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56235000
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53931000
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50101000
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.10
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.78
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.55
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1750000
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	396000
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	381000
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	9382000
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6117000
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4075000
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	52.45
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	288000
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	16.48
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	144000
CY2019Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	28600000
CY2019	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P3Y
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	1200000
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	692000
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	1300000
CY2019	mmsi	Fair Value Of Stock Option On Grant Date Net Of Forfeitures FairValueOfStockOptionOnGrantDateNetOfForfeitures	20900000
CY2018	mmsi	Fair Value Of Stock Option On Grant Date Net Of Forfeitures FairValueOfStockOptionOnGrantDateNetOfForfeitures	11100000
CY2017	mmsi	Fair Value Of Stock Option On Grant Date Net Of Forfeitures FairValueOfStockOptionOnGrantDateNetOfForfeitures	12400000
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	9910000
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	25692000
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	9264000
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	4837000
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	8510000
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	5552000
CY2019	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	1654000
CY2018	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	4278000
CY2017	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	2264000
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3507000
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	26.30
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	1244000
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y4M24D
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	23512000
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1532000
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	21.98
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y25D
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	16403000
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	4186000
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	33.77
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P4Y4M9D
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	23344000
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	16.78
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	16.05
CY2019	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	378785000
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	331452000
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	292820000
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	994852000
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	882753000
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	727852000
CY2019	us-gaap	Operating Expenses OperatingExpenses	416932000
CY2018	us-gaap	Operating Expenses OperatingExpenses	336153000
CY2017	us-gaap	Operating Expenses OperatingExpenses	293184000
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	15434000
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	58617000
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	33069000
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-13241000
CY2018	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-9098000
CY2017	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2812000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-3258000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7502000
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8358000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	5451000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	42017000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	27523000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	7330000
CY2019Q4	us-gaap	Assets Assets	1757321000
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	63324000
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	38623000
CY2018Q3	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	366000
CY2018Q4	us-gaap	Assets Assets	1620012000
CY2017Q4	us-gaap	Assets Assets	1111811000
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	92100000
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	69546000
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	53582000
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	78173000
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-61000
CY2019	mmsi	Defined Contribution Plan Minimum Age Requirement DefinedContributionPlanMinimumAgeRequirement	P18Y
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	3100000
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	3500000
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2400000
CY2019Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	238349000
CY2019Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	255532000
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	243049000
CY2019Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	257922000
CY2019Q1	us-gaap	Gross Profit GrossProfit	104636000
CY2019Q2	us-gaap	Gross Profit GrossProfit	111964000
CY2019Q3	us-gaap	Gross Profit GrossProfit	104136000
CY2019Q4	us-gaap	Gross Profit GrossProfit	111630000
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	9523000
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	12201000
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-2881000
CY2019Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	-3409000
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	651000
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2140000
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-2292000
CY2019Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-3757000
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	6195000
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	6859000
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	-3398000
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	-4205000
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.11
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.12
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.06
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.08
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.11
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.12
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.06
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.08
CY2018Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	203035000
CY2018Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	224810000
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	221659000
CY2018Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	233249000
CY2018Q1	us-gaap	Gross Profit GrossProfit	88056000
CY2018Q2	us-gaap	Gross Profit GrossProfit	100009000
CY2018Q3	us-gaap	Gross Profit GrossProfit	102039000
CY2018Q4	us-gaap	Gross Profit GrossProfit	104666000
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	8781000
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	15114000
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	21061000
CY2018Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	13661000
CY2018Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1090000
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	624000
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2766000
CY2018Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3022000
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	5269000
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	10941000
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	16619000
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	9188000
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.10
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.22
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.31
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.17
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.10
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.21
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.30
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
CY2019	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	3300000
CY2018	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	657000
CY2017Q1	us-gaap	Sale Of Stock Number Of Shares Issued In Transaction SaleOfStockNumberOfSharesIssuedInTransaction	5175000
CY2017	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	809000
CY2019	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	837000
CY2018	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	157000
CY2019Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	17100000
CY2018Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	22500000
CY2019Q4	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	2700000
CY2018Q4	us-gaap	Long Term Accounts Notes And Loans Receivable Net Noncurrent LongTermAccountsNotesAndLoansReceivableNetNoncurrent	13500000
CY2018Q3	us-gaap	Sale Of Stock Number Of Shares Issued In Transaction SaleOfStockNumberOfSharesIssuedInTransaction	4025000
CY2018Q3	us-gaap	Sale Of Stock Consideration Received On Transaction SaleOfStockConsiderationReceivedOnTransaction	205000000.0
CY2018Q3	mmsi	Underwriting Discountsand Commissions Issuanceof Common Stock UnderwritingDiscountsandCommissionsIssuanceofCommonStock	12000000.0
CY2017Q1	us-gaap	Sale Of Stock Consideration Received On Transaction SaleOfStockConsiderationReceivedOnTransaction	136600000
CY2017Q1	mmsi	Underwriting Discountsand Commissions Issuanceof Common Stock UnderwritingDiscountsandCommissionsIssuanceofCommonStock	8800000
CY2017Q1	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	816000
CY2016Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	2923000
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-4805000
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1882000
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	1344000
CY2017	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	3117000
CY2017	us-gaap	Other Comprehensive Income Loss Before Reclassifications Before Tax OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax	4461000
CY2017	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	350000
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	252000
CY2017	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	602000
CY2017	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	551000
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	2865000
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	3416000
CY2017Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	3474000
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-1940000
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1534000
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	2098000
CY2018	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-3606000
CY2018	us-gaap	Other Comprehensive Income Loss Before Reclassifications Before Tax OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax	-1508000
CY2018	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	16000
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	9000
CY2018	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	25000
CY2018	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	48000
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-3615000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3567000
CY2018Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	3522000
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-5555000
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2033000
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-3417000
CY2019	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-18000
CY2019	us-gaap	Other Comprehensive Income Loss Before Reclassifications Before Tax OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax	-3435000
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-1404000
CY2019	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-1465000
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-4052000
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	43000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4009000
CY2019Q4	mmsi	Other Comprehensive Income Loss Cash Flow Hedge Reclassification Of Stranded Tax Effects OtherComprehensiveIncomeLossCashFlowHedgeReclassificationOfStrandedTaxEffects	748000
CY2019Q4	mmsi	Other Comprehensive Income Loss Reclassification Of Stranded Tax Effects OtherComprehensiveIncomeLossReclassificationOfStrandedTaxEffects	748000
CY2019Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	218000
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-5512000
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5294000
CY2019Q4	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P15Y
CY2019	mmsi	Lessee Operating Lease Termination Period LesseeOperatingLeaseTerminationPeriod	P1Y
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	80244000
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	11550000
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	72714000
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	84264000
CY2015Q4	us-gaap	Sale Leaseback Transaction Amount Due Under Financing Arrangement SaleLeasebackTransactionAmountDueUnderFinancingArrangement	2000000.0
CY2018Q4	us-gaap	Sale Leaseback Transaction Deferred Gain Net SaleLeasebackTransactionDeferredGainNet	93000
CY2019	us-gaap	Lease Cost LeaseCost	16500000
CY2018	us-gaap	Lease Cost LeaseCost	14500000
CY2017	us-gaap	Lease Cost LeaseCost	13600000
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	16828000
CY2019	us-gaap	Sublease Income SubleaseIncome	361000
CY2019	us-gaap	Lease Cost LeaseCost	16467000
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	14646000
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	10637000
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P12Y3M18D
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.032
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	13949000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	12938000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	10368000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	8273000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	53501000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	106359000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	22095000
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	84264000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	13421000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	11319000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	9995000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	8053000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	6953000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	52754000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	102495000

Files In Submission

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$MMSI
MERIT MEDICAL SYSTEMS INC Stock $mmsi

2018 Q4 Form 10-K Financial Statement

#000085698220000011 Filed on March 02, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

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$MMSI MERIT MEDICAL SYSTEMS INC Stock $mmsi

2018 Q4 Form 10-K Financial Statement

#000085698220000011 Filed on March 02, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MMSI
MERIT MEDICAL SYSTEMS INC Stock $mmsi