For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

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-Publisher FASB
-Name Accounting Standards Codification
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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair Value of Financial Instruments (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current portion of contingent consideration	$ 45,660		$ 45,660			$ 38,393
Communications & Services Segment [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of liability for contingent consideration	45,660	$ 74,259	45,660	$ 74,259	$ 45,043	$ 77,925	$ 71,886	$ 108,233
Change in fair value of contingent consideration	617	5,101	6,266	11,535
Communications & Services Segment [Member] \| Intelisys [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of liability for contingent consideration	45,700	74,300	45,700	74,300
Change in fair value of contingent consideration	(600)	(2,600)	(6,300)	(9,000)
Current portion of contingent consideration		39,400		39,400
Contingent consideration arrangements, maximum range of outcome	$ 48,100		$ 48,100
Communications & Services Segment [Member] \| Network1 [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Change in fair value of contingent consideration		$ (2,500)		$ (2,500)