The percentage points added to the reference rate used to calculate commercial bank floating rate (CBFR).

No definition available.

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Namespace Prefix:	mlab_
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Period Type:	instant

- Definition

Represents the maximum leverage ratio required to be maintained by the entity during the Initial Holiday Period.

+ References

No definition available.

+ Details

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- Definition

Represents the fixed charge coverage ratio required to be maintained by the entity under the terms of debt arrangement.

+ References

No definition available.

+ Details

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- Definition

Represents the maximum leverage ratio required to be maintained by the entity immediately following the Initial Holiday Period.

+ References

No definition available.

+ Details

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- Definition

Represents the ratio of funded debt to EBITDA, required to be maintained under the terms of debt arrangements.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

The additional maximum borrowing capacity under the credit facility provided the application of a posting-closing accordion feature.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of increase (decrease) per year in the required periodic payment applied to principal.

+ References

No definition available.

+ Details

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Namespace Prefix:	mlab_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The number of quarterly periodic payments on a line of credit facility.

+ References

No definition available.

+ Details

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Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 944
-SubTopic 210
-Section S99
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the required periodic payments applied to principal.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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Note 7 - Long-term Debt (Details Textual)		2 Months Ended	12 Months Ended
Note 7 - Long-term Debt (Details Textual)	Mar. 01, 2017 USD ($)	Jun. 02, 2019 USD ($)	Feb. 28, 2022 USD ($)
Credit Facility [Member]
Debt Instrument Convenant, Maximum Leverage Ratio, During the Initial Holiday Period	3.5
Debt Instrument Covenant, Maximum Leverage Ratio, Immediately Following the Initial Holiday Period	3.25
Debt Instrument Covenant, Fixed Charge Coverage Ratio	1.25
Credit Facility [Member] \| After March 31, 2016 [Member]
Debt Instrument Covenant, Ratio of Funded Debt to Consolidated EBITDA	3
Credit Facility [Member] \| Term Loan [Member]
Long-term Debt, Gross	$ 20,000,000
Line of Credit Facility, Periodic Payment, Number of Quarterly Payments	20
Debt Instrument, Periodic Payment, Principal	$ 250,000
Line of Credit Facility, Annual Increase (Decrease) in Periodic Payment, Principal	125,000
Credit Facility [Member] \| Term Loan [Member] \| Forecast [Member]
Debt Instrument, Periodic Payment, Principal			$ 750,000
Line of Credit [Member]
Long-term Debt, Gross	$ 20,000,000
Line of Credit [Member] \| Subsequent Event [Member]
Repayments of Long-term Lines of Credit		$ 2,500
Line of Credit [Member] \| Debt Instrument, Variable Rate Base CBFR Using One Month LIBOR [Member]
Debt Instrument, Basis Spread on Variable Rate Used to Calculate Commercial Bank Floating Rate	0.50%
Line of Credit [Member] \| Minimum [Member]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.15%
Line of Credit [Member] \| Minimum [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	1.50%
Line of Credit [Member] \| Maximum [Member]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.35%
Line of Credit [Member] \| Maximum [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	2.50%
Line of Credit [Member] \| Credit Facility [Member]
Debt Instrument, Term	5 years
Line of Credit Facility, Maximum Borrowing Capacity	$ 80,000,000
Line of Credit Facility, Additional Maximum Borrowing Capacity	100,000,000
Letter of Credit [Member] \| Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 2,500,000