Acquisitions (Schedule of Purchase Price Allocations of Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Thousands			12 Months Ended
	Jul. 31, 2017	Aug. 29, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Business Acquisition [Line Items]
Goodwill			$ 298,174	$ 200,881	$ 92,715
Contingent consideration			108,233	114,036
Consideration transferred, net of cash acquired			$ 143,768	$ 83,804	$ 61,475
POS Portal [Member]
Business Acquisition [Line Items]
Receivables, net	$ 8,914
Inventory	8,352
Other current assets	917
Property and equipment, net	24,963
Goodwill	101,198
Identifiable intangible assets	57,000
Other non-current assets	100
Total assets	201,444
Accounts payable	10,897
Accrued expenses and other current liabilities	5,130
Contingent consideration	13,098
Other long-term liabilities	102
Long-term deferred taxes payable	28,449
Consideration transferred, net of cash acquired	143,768
Total liabilities	$ 201,444
Intelisys [Member]
Business Acquisition [Line Items]
Receivables, net		$ 21,655
Other current assets		1,547
Property and equipment, net		5,298
Goodwill		109,005
Identifiable intangible assets		63,110
Other non-current assets		1,839
Total assets		202,454
Accounts payable		21,063
Accrued expenses and other current liabilities		2,587
Contingent consideration		95,000
Consideration transferred, net of cash acquired		83,804
Total liabilities		$ 202,454