Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 729,873	$ 744,584	$ 2,298,111	$ 2,411,285
Technology solutions
Disaggregation of Revenue [Line Items]
Revenues	713,596	730,037	2,250,331	2,368,963
Intelisys
Disaggregation of Revenue [Line Items]
Revenues	16,277	14,547	47,780	42,322
Worldwide Barcode, Networking & Security Segment
Disaggregation of Revenue [Line Items]
Revenues	502,227	489,218	1,577,197	1,645,406
Worldwide Barcode, Networking & Security Segment | Technology solutions
Disaggregation of Revenue [Line Items]
Revenues	502,227	489,218	1,577,197	1,645,406
Worldwide Barcode, Networking & Security Segment | Intelisys
Disaggregation of Revenue [Line Items]
Revenues	0	0	0	0
Worldwide Communications & Services Segment
Disaggregation of Revenue [Line Items]
Revenues	227,646	255,366	720,914	765,879
Worldwide Communications & Services Segment | Technology solutions
Disaggregation of Revenue [Line Items]
Revenues	211,369	240,819	673,134	723,557
Worldwide Communications & Services Segment | Intelisys
Disaggregation of Revenue [Line Items]
Revenues	$ 16,277	$ 14,547	$ 47,780	$ 42,322