v2.4.0.8

Short-Term and Long-Term Obligations - Subsequent Event (Details) (CTBC Bank [Member])			3 Months Ended			0 Months Ended
	Oct. 30, 2011 USD ($)	Oct. 30, 2011 TWD	Sep. 30, 2013 Building Term Loan [Member]	Nov. 05, 2013 Subsequent Event [Member] USD ($)	Nov. 05, 2013 Subsequent Event [Member] TWD	Nov. 05, 2013 Subsequent Event [Member] Revolving Credit Facility [Member] USD ($)	Nov. 05, 2013 Subsequent Event [Member] Revolving Credit Facility [Member] TWD	Nov. 05, 2013 Subsequent Event [Member] Building Term Loan [Member] USD ($)	Nov. 05, 2013 Subsequent Event [Member] Building Term Loan [Member] TWD	Nov. 05, 2013 Subsequent Event [Member] Unsecured Term Loan [Member] USD ($)	Nov. 05, 2013 Subsequent Event [Member] Unsecured Term Loan [Member] TWD
Subsequent Event [Line Items]
Credit facility, term						13 months	13 months	13 months	13 months	13 months	13 months
Credit facility, basis spread on variable rate			0.30%			0.30%	0.30%	0.25%	0.25%	0.25%	0.25%
Maximum line of credit facility, percent of eligible accounts receivable for borrowings						80.00%	80.00%
Credit facility, maximum borrowing capacity	$ 9,898,000	300,000,000		$ 33,981,000	1,000,000,000	$ 16,991,000	500,000,000	$ 23,787,000	700,000,000	$ 3,398,000	100,000,000
Credit facility, unused amount				$ 18,690,000	550,000,000

X

- Definition

Maximum percentage of eligible accounts receivable to borrow under the line of credit facility. The related accounts receivable serves as the collateral for the line of credit.

+ References

No definition available.

+ Details

Name:	smci_Percentofeligibleaccountsreceivable
Namespace Prefix:	smci_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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

X

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration