Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Statutory rate percentage of federal income tax expense	35.00%
Valuation allowance, amount	$ 3,029	$ 2,509
Income (loss) before income taxes	96,010	99,906	$ 123,107
Gross unrecognized tax benefits	2,148	1,301	1,153	$ 1,034
Unrecognized tax benefits that would impact effective tax rate if recognized	1,300
Unrecognized tax benefits, period increase	500
Income tax penalties and interest accrued	1,200	$ 1,200	$ 1,100
State and Local [Member]
Operating loss carry forwards	1,400
Tax credit carry forwards	1,300
Operating loss carry forwards, valuation allowance	100
Withholding Tax Credits [Member]
Tax credit carry forwards	2,400
Valuation allowance, amount	2,400
Notional Interest Deduction [Member]
Valuation allowance, amount	300
Foreign [Member]
Operating loss carry forwards	9,000
Tax credit carry forwards	100
Operating loss carry forwards, valuation allowance	200
Undistributed earnings of foreign subsidiaries	108,000
Undistributed earnings of foreign subsidiaries, tax effect	$ 19,200
Minimum [Member]
Open tax year	2011
ScanSource Europe SPRL [Member]
Income (loss) before income taxes	$ (1,200)