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v2.4.1.9

Consolidated Statements of Stockholders’ Equity (Parentheticals) (Common Stock [Member]) | 12 Months Ended
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Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2013
Common Stock [Member] |  |  |
Common stock, shares issued | 11,266 mlab_StockIssuedDuringPeriodSharesWithheldForPaymentStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 13,021 mlab_StockIssuedDuringPeriodSharesWithheldForPaymentStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 15,572 mlab_StockIssuedDuringPeriodSharesWithheldForPaymentStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember

X
- Definition Represents shares returned as payment for stock options exercised and converted into shares of common stock. + References No definition available. + Details
Name: | mlab_StockIssuedDuringPeriodSharesWithheldForPaymentStockOptionsExercised
Namespace Prefix: | mlab_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration