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SEGMENT INFORMATION - Additional Information (Detail)	Apr. 01, 2012 Entity
Segment Reporting Disclosure [Line Items]
Number of reportable segment	1

X

- Definition

Number of Reportable Segments

+ References

No definition available.

+ Details

Name:	mscc_NumberOfReportableSegments
Namespace Prefix:	mscc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	mscc_SegmentReportingDisclosureLineItems
Namespace Prefix:	mscc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration