Revenue Recognition (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Revenues	$ 3,047,734	$ 3,249,799	$ 3,164,709
Technology Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,986,031	3,194,750	3,122,397
Master Agency and Professional Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	61,703	55,049	42,312
Worldwide Barcode, Networking and Security Segment [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,093,217	2,141,896	2,143,135
Worldwide Barcode, Networking and Security Segment [Member] | Technology Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,093,217	2,141,896	2,143,135
Worldwide Barcode, Networking and Security Segment [Member] | Master Agency and Professional Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Worldwide Communications & Services Segment [Member]
Disaggregation of Revenue [Line Items]
Revenues	954,517	1,107,903	1,021,574
Worldwide Communications & Services Segment [Member] | Technology Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues	892,814	1,052,854	979,262
Worldwide Communications & Services Segment [Member] | Master Agency and Professional Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 61,703	$ 55,049	$ 42,312