Fair Value of Financial Instruments (Short-term Investments and Financial Instruments at Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012	Sep. 30, 2011	Jun. 30, 2011
Assets: Deferred compensation plan investments, current and non-current portion	$ 12,737	$ 11,635
Total asset at fair value	12,747	11,656
Liabilities: Deferred compensation plan investments, current and non-current portion	12,737	11,635
Liability for contingent consideration, current and non-current	17,342	16,653	21,253	23,794
Total liabilities at fair value	30,109	28,398
Quoted Prices in Active Markets (Level 1) [Member]
Assets: Deferred compensation plan investments, current and non-current portion	12,737	11,635
Total asset at fair value	12,737	11,635
Liabilities: Deferred compensation plan investments, current and non-current portion	12,737	11,635
Liability for contingent consideration, current and non-current	0	0
Total liabilities at fair value	12,737	11,635
Significant Other Observable Inputs (Level 2) [Member]
Assets: Deferred compensation plan investments, current and non-current portion	0	0
Total asset at fair value	10	21
Liabilities: Deferred compensation plan investments, current and non-current portion	0	0
Liability for contingent consideration, current and non-current	0	0
Total liabilities at fair value	30	110
Significant Unobservable Inputs (Level 3) [Member]
Assets: Deferred compensation plan investments, current and non-current portion	0	0
Total asset at fair value	0	0
Liabilities: Deferred compensation plan investments, current and non-current portion	0	0
Liability for contingent consideration, current and non-current	17,342	16,653
Total liabilities at fair value	17,342	16,653
Forward Foreign Currency Exchange Contracts [Member]
Assets: Forward foreign currency exchange contracts	10	21
Liabilities: Forward foreign currency exchange contracts	30	110
Forward Foreign Currency Exchange Contracts [Member] \| Quoted Prices in Active Markets (Level 1) [Member]
Assets: Forward foreign currency exchange contracts	0	0
Liabilities: Forward foreign currency exchange contracts	0	0
Forward Foreign Currency Exchange Contracts [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Assets: Forward foreign currency exchange contracts	10	21
Liabilities: Forward foreign currency exchange contracts	30	110
Forward Foreign Currency Exchange Contracts [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Assets: Forward foreign currency exchange contracts	0	0
Liabilities: Forward foreign currency exchange contracts	$ 0	$ 0

Liability for contingent consideration

No definition available.

Name:	scsc_LiabilityForContingentConsideration
Namespace Prefix:	scsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

+ Details

Name:	us-gaap_AssetsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

+ References

No definition available.

+ Details

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

- Definition

Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

+ 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 210.5-02.17)

-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 17

-Article 5

+ Details

Name:	us-gaap_DeferredCompensationPlanAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents contracts related to the exchange of different currencies, including foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into and existing as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_ForeignCurrencyContractAssetFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

+ References

No definition available.

+ Details

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

- Definition

This element represents the aggregate of the liabilities reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

+ Details

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