XML 152 R31.htm IDEA: XBRL DOCUMENT
v3.25.1

Debt (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2025
Debt Disclosure [Abstract] |
Schedule of Long-term Debt Instruments | Principal balances outstanding under our long-term debt obligations as of March 31, 2025 and December 31, 2024 consisted of the following (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2025 |  | 2024
Convertible notes | ​ | ​ | 747,500 | ​ | ​ | 747,500
Less unamortized debt issuance costs | ​ |  | (16,827) | ​ |  | (17,949)
Total long-term debt | ​ |  | 730,673 | ​ |  | 729,551
Less current portion | ​ |  | — | ​ |  | —
Long-term portion | ​ | $ | 730,673 | ​ | $ | 729,551
Schedule of Maturities of Long-term Debt | Future minimum principal payments on our long-term debt, as of March 31, 2025, were as follows (in thousands):
​ | ​ | ​ | ​
Year Ending | ​ | Future Minimum
December 31, |  | Principal Payments
Remaining 2025 |  | $ | —
2026 | ​ | ​ | —
2027 | ​ | ​ | —
2028 | ​ | ​ | —
2029 | ​ | ​ | 747,500
Total future minimum principal payments | ​ | $ | 747,500
Schedule of Long-term Debt Covenants | The Amended Fourth A&R Credit Agreement is collateralized by substantially all of our assets. The Amended Fourth A&R Credit Agreement contains affirmative and negative covenants, representations and warranties, events of default and other terms customary for loans of this nature. In particular, the Amended Fourth A&R Credit Agreement requires that we maintain certain financial covenants, as follows:
​ | ​ | ​ | ​ | ​
​ |  | Covenant Requirement | ​
Consolidated Total Net Leverage Ratio (1) |  | ​ | 5.0 to 1.0 | ​
Consolidated Senior Secured Net Leverage Ratio (2) | ​ | ​ | 3.0 to 1.0 | ​
Consolidated Interest Coverage Ratio (3) |  | ​ | 3.0 to 1.0 | ​
(1) | Maximum Consolidated Total Net Leverage Ratio (as defined in the Amended Fourth A&R Credit Agreement) as of any fiscal quarter end.
(2) | Maximum Consolidated Senior Secured Net Leverage Ratio (as defined in the Amended Fourth A&R Credit Agreement) as of any fiscal quarter end.
(3) | Minimum ratio of Consolidated EBITDA (as defined in the Amended Fourth A&R Credit Agreement and adjusted for certain expenditures) to Consolidated Interest Expense (as defined in the Amended Fourth A&R Credit Agreement) for any period of four consecutive fiscal quarters.

X
- Definition Schedule Of Long Term Debt Covenants Table [Table Text Block] + References No definition available. + Details
Name: | mmsi_ScheduleOfLongTermDebtCovenantsTableTableTextBlock
Namespace Prefix: | mmsi_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69E -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69E Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477734/942-470-50-3 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-8 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-6 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-7 + Details
Name: | us-gaap_ScheduleOfDebtInstrumentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 470 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-1 + Details
Name: | us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration