Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Revenues	$ 1,006,927	$ 972,900
Technology Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues	991,747	959,888
Master Agency and Professional Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	15,180	13,012
Worldwide Barcode, Networking & Security Segment [Member]
Disaggregation of Revenue [Line Items]
Revenues	697,791	655,113
Worldwide Barcode, Networking & Security Segment [Member] | Technology Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues	697,791	655,113
Worldwide Barcode, Networking & Security Segment [Member] | Master Agency and Professional Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0
Worldwide Communications & Services Segment [Member]
Disaggregation of Revenue [Line Items]
Revenues	309,136	317,787
Worldwide Communications & Services Segment [Member] | Technology Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues	293,956	304,775
Worldwide Communications & Services Segment [Member] | Master Agency and Professional Services [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 15,180	$ 13,012