Represents payments to settle options for business acquisition.

No definition available.

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

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

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+ Details

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

- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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+ Details

Name:	us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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+ Details

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

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

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+ Details

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

- Details

Name:	us-gaap_BusinessAcquisitionAxis=mlab_BelynticAcquisitionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=mlab_AgenaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=mlab_AgenaWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=mlab_HoldersOfAgenaPreferredAndCommonStockMember
Namespace Prefix:
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Balance Type:
Period Type:

Note 2 - Significant Transactions (Details Textual) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
	Oct. 20, 2021	Dec. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Oct. 20, 2022	Mar. 31, 2022
Payments to Acquire Businesses, Gross			$ 4,950	$ 300,793
Goodwill, Ending Balance		$ 285,809	285,809			$ 291,166
Belyntic Acquisition [Member]
Business Combination, Consideration Transferred, Total		6,450
Payments to Acquire Businesses, Gross		4,950
Agena [Member]
Payments to Acquire Businesses, Gross	$ 300,793
Payments to Acquire Businesses, Settlement of Options	31,800
Goodwill, Ending Balance	135,728				$ 135,728
Agena [Member] \| Acquisition-related Costs [Member]
Business Combination, Acquisition Related Costs		$ 145	$ 768
Agena [Member] \| Agena Warrants [Member]
Payments to Acquire Businesses, Gross	2,000
Agena [Member] \| Holders of Agena Preferred and Common Stock [Member]
Payments to Acquire Businesses, Gross	$ 267,000