Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 810,897	$ 823,999	$ 1,568,238	$ 1,666,700
Technology solutions
Disaggregation of Revenue [Line Items]
Revenues	794,652	809,933	1,536,735	1,638,925
Intelisys
Disaggregation of Revenue [Line Items]
Revenues	16,245	14,066	31,503	27,775
Worldwide Barcode, Networking & Security Segment
Disaggregation of Revenue [Line Items]
Revenues	551,394	575,001	1,074,970	1,156,188
Worldwide Barcode, Networking & Security Segment | Technology solutions
Disaggregation of Revenue [Line Items]
Revenues	551,394	575,001	1,074,970	1,156,188
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	259,503	248,998	493,268	510,512
Worldwide Communications & Services Segment | Technology solutions
Disaggregation of Revenue [Line Items]
Revenues	243,258	234,932	461,765	482,737
Worldwide Communications & Services Segment | Intelisys
Disaggregation of Revenue [Line Items]
Revenues	$ 16,245	$ 14,066	$ 31,503	$ 27,775