Amended Aggregate Share Limit

No definition available.

Name:	mscc_AmendedAggregateShareLimit
Namespace Prefix:	mscc_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Details

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

- Definition

Performance Based Compensation Percentage

+ References

No definition available.

+ Details

Name:	mscc_PerformanceBasedCompensationPercentage
Namespace Prefix:	mscc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Performance Based Compensation, Shares Awarded as a Percentage of Grants, Peer Group Based

+ References

No definition available.

+ Details

Name:	mscc_PerformanceBasedCompensationSharesAwardedAsPercentageOfGrantsPeerGroupBased
Namespace Prefix:	mscc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of vesting of share-based compensation awards.

+ References

No definition available.

+ Details

Name:	mscc_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingRightsPercentage
Namespace Prefix:	mscc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Share Based Compensation Arrangement by Share Based Payment Award, Expiration Term

+ References

No definition available.

+ Details

Name:	mscc_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationTerm
Namespace Prefix:	mscc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Share Based Compensation Arrangement Plan Expiration Date

+ References

No definition available.

+ Details

Name:	mscc_ShareBasedCompensationArrangementPlanExpirationDate
Namespace Prefix:	mscc_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Share Based Compensation, Arrangement Share Based Payment Award, Additional Shares Authorized

+ References

No definition available.

+ Details

Name:	mscc_ShareBasedCompensationArrangementShareBasedPaymentAwardAdditionalSharesAuthorized
Namespace Prefix:	mscc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Shares threshold for determining availability of grants

+ References

No definition available.

+ Details

Name:	mscc_SharesThresholdForDeterminingAvailabilityOfGrants
Namespace Prefix:	mscc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Vesting Percentage Relative To earnings per share

+ References

No definition available.

+ Details

Name:	mscc_VestingPercentageRelativeToEarningsPerShare
Namespace Prefix:	mscc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Vesting Percentage Relative To net sales

+ References

No definition available.

+ Details

Name:	mscc_VestingPercentageRelativeToNetSales
Namespace Prefix:	mscc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 64

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

-URI http://asc.fasb.org/extlink&oid=6793087&loc=d3e301413-122809

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph g(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

+ Details

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

- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(c)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

STOCK-BASED COMPENSATION - Additional Information (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		1 Months Ended	3 Months Ended				3 Months Ended	1 Months Ended	12 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Nov. 30, 2013 Performance stock units	Dec. 29, 2013 Performance stock units	Dec. 30, 2012 Performance stock units	Jan. 01, 2012 Performance stock units	Dec. 29, 2013 Stock options Symmetricom	Dec. 29, 2013 Stock Option Plan 2008	Nov. 30, 2013 Percentage vested based on current year performance Performance stock units	Sep. 30, 2012 Percentage vested based on prior year performance Performance stock units
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Additional shares to the shares limit in common stock								14,500,000
Shares limit in common stock								28,500,000
Plan expiration date								Dec. 05, 2021
Full value award of shares issued for every one share								2.41
Maximum term of a stock option grant or a stock appreciation right grant								6 years
Stock-based compensation expense	$ 10.1	$ 8.1
Vesting percentage relative to net sales				40.00%	25.00%	50.00%
Vesting percentage relative to earnings per share				60.00%	75.00%	50.00%
Vesting percentage relative to target			116.00%						86.00%	30.00%
Performance based compensation percentage, target based				200.00%
Performance based compensation, peer group based				125.00%
Weighted average exercise price (USD per stock option)							$ 20.08