XML 69 R56.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Note 7 - Dividends Per Share (Details) - $ / shares | 12 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2014
First Quarter [Member] |  |  |
Dividends paid (in dollars per share) | $ 0.16 | $ 0.15 | $ 0.14
Second Quarter [Member] |  |  |
Dividends paid (in dollars per share) | 0.16 | 0.15 | 0.14
Third Quarter [Member] |  |  |
Dividends paid (in dollars per share) | 0.16 | 0.16 | 0.15
Fourth Quarter [Member] |  |  |
Dividends paid (in dollars per share) | $ 0.16 | $ 0.16 | $ 0.15

X
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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: |