XML 20 R46.htm IDEA: XBRL DOCUMENT v2.4.1.9

Note 5 - Goodwill and Intangible Assets (Details) - Change in the Carrying Amount of Goodwill (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Goodwill [Line Items]
Goodwill	$ 37,866us-gaap_Goodwill	$ 23,640us-gaap_Goodwill
Acquisitions	7,003us-gaap_GoodwillAcquiredDuringPeriod	14,226us-gaap_GoodwillAcquiredDuringPeriod
Goodwill	44,869us-gaap_Goodwill	37,866us-gaap_Goodwill
Biological Indicators [Member]
Goodwill [Line Items]
Goodwill	9,279us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mlab_BiologicalIndicatorsMember	9,279us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mlab_BiologicalIndicatorsMember
Acquisitions	3,708us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = mlab_BiologicalIndicatorsMember
Goodwill	12,987us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mlab_BiologicalIndicatorsMember	9,279us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mlab_BiologicalIndicatorsMember
Instruments [Member]
Goodwill [Line Items]
Goodwill	14,940us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mlab_InstrumentsMember	14,361us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mlab_InstrumentsMember
Acquisitions	3,295us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = mlab_InstrumentsMember	579us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = mlab_InstrumentsMember
Goodwill	18,235us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mlab_InstrumentsMember	14,940us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mlab_InstrumentsMember
Continuous Monitoring [Member]
Goodwill [Line Items]
Goodwill	13,647us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mlab_ContinuousMonitoringMember
Acquisitions		13,647us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = mlab_ContinuousMonitoringMember
Goodwill	$ 13,647us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mlab_ContinuousMonitoringMember	$ 13,647us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = mlab_ContinuousMonitoringMember

X

- 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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

+ Details

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

X

- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

+ Details

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

X

- Details

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

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=mlab_BiologicalIndicatorsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=mlab_ContinuousMonitoringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=mlab_InstrumentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: