Amended Aggregate Share Limit

No definition available.

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

- Definition

Compensation Related Costs Share Based Payments Disclosure [Line Items]

+ References

No definition available.

+ 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

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 By Share-Based Payment Award, Threshold Trading Days

+ References

No definition available.

+ Details

Name:	mscc_ShareBasedCompensationArrangementByShareBasedPaymentAwardThresholdTradingDays
Namespace Prefix:	mscc_
Data Type:	xbrli:durationItemType
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

Share-based Compensation Arrangement by Share-based Payment Award, Grant Awards Limit, Value

+ References

No definition available.

+ Details

Name:	mscc_SharebasedCompensationArrangementbySharebasedPaymentAwardGrantAwardsLimitValue
Namespace Prefix:	mscc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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 S99
-Paragraph 1
-Subparagraph (SAB TOPIC 14.F)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

Reference 2: 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 3: 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 4: 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

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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 (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ 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 (a)(3)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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

- Definition

Number of shares for which recognition of compensation cost was accelerated.

+ References

No definition available.

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAcceleratedVestingNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of vesting of share-based compensation awards.

+ References

+ Details

Name:	us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=mscc_StockOptionPlan2008Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TitleOfIndividualAxis=us-gaap_DirectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TitleOfIndividualAxis=us-gaap_BoardOfDirectorsChairmanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=mscc_PerformanceIncentivePlan2008Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Stock-Based Compensation - Additional Information (Details)	1 Months Ended		3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 31, 2016 $ / shares shares	Feb. 28, 2016 USD ($) shares	Apr. 02, 2017 USD ($)	Apr. 03, 2016 USD ($)	Apr. 02, 2017 USD ($)	Apr. 03, 2016 USD ($)	Sep. 27, 2015	Sep. 28, 2014
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Stock-based compensation expense \| $			$ 15,600,000	$ 24,400,000	$ 43,900,000	$ 38,300,000
Restricted shares
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Vesting period					3 years
Performance stock units
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Vesting period					3 years
Vesting percentage relative to net sales					70.00%		70.00%	40.00%
Vesting percentage relative to earnings per share					30.00%		30.00%	60.00%
Performance based compensation percentage, target based					225.00%		225.00%	200.00%
Performance based compensation, peer group based					120.00%		120.00%	125.00%
Stock Option Plan 2008
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Additional shares to the shares limit in common stock		4,800,000
Shares limit in common stock		41,800,000
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 Option Plan 2008 \| Director, non-employee
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Limit of grant date value of award to be granted \| $		$ 400,000
Stock Option Plan 2008 \| Board of Directors Chairman, non-employee
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Limit of grant date value of award to be granted \| $		$ 600,000
2008 Performance Incentive Plan \| Restricted Stock Units (RSUs)
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Vesting period	5 years
Number of shares authorized	1,000,000
Threshold number of trading days	20 days
Percentage of total award that vests	100.00%
2008 Performance Incentive Plan \| Restricted Stock Units (RSUs) \| Performance Level One
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Accelerated vesting, number of units	160,000
Stock price level \| $ / shares	$ 50.00
Percentage of total award that vests	25.00%
2008 Performance Incentive Plan \| Restricted Stock Units (RSUs) \| Performance Level Two
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Accelerated vesting, number of units	320,000
Stock price level \| $ / shares	$ 60.00
Percentage of total award that vests	50.00%
2008 Performance Incentive Plan \| Restricted Stock Units (RSUs) \| Performance Level Three
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Accelerated vesting, number of units	500,000
Stock price level \| $ / shares	$ 70.00
Percentage of total award that vests	25.00%