XML 71 R58.htm IDEA: XBRL DOCUMENT v3.8.0.1

Note 8 - Stockholders' Equity - Dividends Per Share (Details) - $ / shares	12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
First Quarter [Member]
Dividends paid (in dollars per share)	$ 0.16	$ 0.16	$ 0.16
Second Quarter [Member]
Dividends paid (in dollars per share)	0.16	0.16	0.16
Third Quarter [Member]
Dividends paid (in dollars per share)	0.16	0.16	0.16
Fourth Quarter [Member]
Dividends paid (in dollars per share)	$ 0.16	$ 0.16	$ 0.16

X

- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

+ Details

Name:	us-gaap_CommonStockDividendsPerShareCashPaid
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_DividendsAxis=mlab_FirstQuarterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=mlab_SecondQuarterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=mlab_ThirdQuarterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DividendsAxis=mlab_FourthQuarterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: