XML 86 R65.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Revolving Credit Facility and Long-Term Debt - Financial Covenants (Details) | 12 Months Ended
--- | ---
Dec. 31, 2017 USD ($) quarter
Debt Instrument [Line Items] |
Number of consecutive quarters for EBITDA to fixed charges ratio covenants | quarter | 4
Credit Agreement |
Debt Instrument [Line Items] |
Consolidated EBITDA | $ 1.25
Consolidated Net Income | 0
Facility Capital Expenditures | $ 30,000,000
July 1, 2017 through December 31, 2017 | Credit Agreement |
Debt Instrument [Line Items] |
Consolidated Total Leverage Ratio | 3.75
January 1, 2018 through March 31, 2018 | Credit Agreement |
Debt Instrument [Line Items] |
Consolidated Total Leverage Ratio | 3.5
April 1, 2018 and thereafter | Credit Agreement |
Debt Instrument [Line Items] |
Consolidated Total Leverage Ratio | 3.25

X
- Definition Line of Credit Facility, Covenant Terms, Consolidated EBITDA to Fixed Charges Ratio, Number of Consecutive Quarters + References No definition available. + Details
Name: | mmsi_LineOfCreditFacilityCovenantTermsConsolidatedEbitdaToFixedChargesRatioNumberOfConsecutiveQuarters
Namespace Prefix: | mmsi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line of Credit Facility, Covenant Terms, Facility Capital Expenditures, Next Twelve Months, Maximum + References No definition available. + Details
Name: | mmsi_LineOfCreditFacilityCovenantTermsFacilityCapitalExpendituresNextTwelveMonthsMaximum
Namespace Prefix: | mmsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line of Credit Facility, Covenant Terms, Consolidated Ebitda To Fixed Charges Ratio, Minimum1 + References No definition available. + Details
Name: | mmsi_LineofCreditFacilityCovenantTermsConsolidatedEbitdaToFixedChargesRatioMinimum1
Namespace Prefix: | mmsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line of Credit Facility, Covenant Terms, Consolidated Net Income, Minimum + References No definition available. + Details
Name: | mmsi_LineofCreditFacilityCovenantTermsConsolidatedNetIncomeMinimum
Namespace Prefix: | mmsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line of Credit Facility, Covenant Terms, Consolidated Total Leverage Ratio, Maximum + References No definition available. + Details
Name: | mmsi_LineofCreditFacilityCovenantTermsConsolidatedTotalLeverageRatioMaximum
Namespace Prefix: | mmsi_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mmsi_CreditAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | mmsi_DebtCovenantPeriodAxis=mmsi_July12017throughDecember312017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | mmsi_DebtCovenantPeriodAxis=mmsi_January12018throughMarch312018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | mmsi_DebtCovenantPeriodAxis=mmsi_April12018andthereafterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |