XML 18 R25.htm IDEA: XBRL DOCUMENT v2.4.1.9

Note 1 - Description of Business and Summary of Significant Accounting Policies (Details)	9 Months Ended
	Dec. 31, 2014
Accounting Policies [Abstract]
Number of Reportable Segments	3us-gaap_NumberOfReportableSegments
Number of Physical Locations in which Entity is Organized	6mlab_NumberOfPhysicalLocationsInWhichEntityIsOrganized

X

- Definition

Represents the number of physical locations in which the entity is organized.

+ References

No definition available.

+ Details

Name:	mlab_NumberOfPhysicalLocationsInWhichEntityIsOrganized
Namespace Prefix:	mlab_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AccountingPoliciesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration