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v3.10.0.1

Employee Benefit Plans (Narrative) (Details) | 12 Months Ended
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Jun. 30, 2018 USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Deferred compensation plan, employer contributions, vesting period (in years) | 5 years
ScanSource Defined Contribution Plan [Member] |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Employer contribution per participant | $ 800
Defined benefit plan, employer contributions, vesting period (in years) | 5 years
Employer matching contribution, percent of participant's contribution | 50.00%
POS Portal's Defined Contribution Plan [Member] |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Employer matching contribution, percent of participant's contribution | 100.00%
Employer matching contribution, percent of employees' gross pay | 4.00%

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- Definition Deferred Compensation Plan, Employer Contribution, Vesting + References No definition available. + Details
Name: | scsc_DeferredCompensationPlanEmployerContributionVesting
Namespace Prefix: | scsc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Defined Contribution Plan, Employer Contribution, Vesting + References No definition available. + Details
Name: | scsc_DefinedContributionPlanEmployerContributionVesting
Namespace Prefix: | scsc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Maximum amount the employee may contribute to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_RetirementPlanNameAxis=scsc_ScanSourceDefinedContributionPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_RetirementPlanNameAxis=scsc_POSPortalsDefinedContributionPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |