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ACQUISITIONS (Detail Textual 1) - USD ($) $ in Thousands			12 Months Ended
	Jan. 29, 2019	Aug. 15, 2018	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Business Acquisition [Line Items]
Goodwill			$ 3,407,110	$ 3,336,079	$ 2,620,835
Customer contracts and related customer relationships
Business Acquisition [Line Items]
Amortization period of acquired intangible assets			17 years
Technology
Business Acquisition [Line Items]
Amortization period of acquired intangible assets			10 years 4 months 24 days
SE&A BU
Business Acquisition [Line Items]
Acquisition date		Aug. 15, 2018
Purchase consideration		$ 96,100
Goodwill		46,400
Amount of tax deductible goodwill and intangibles		55,300
Identifiable intangible assets		$ 8,900
Mastodon
Business Acquisition [Line Items]
Acquisition date	Jan. 29, 2019
Purchase consideration	$ 225,000
Goodwill	139,200
Amount of tax deductible goodwill and intangibles	223,100
Identifiable intangible assets	83,900
Cash consideration	220,000
Deferred consideration	5,000
Mastodon | Customer contracts and related customer relationships
Business Acquisition [Line Items]
Identifiable intangible assets	$ 19,800
Amortization period of acquired intangible assets	20 years
Mastodon | Technology
Business Acquisition [Line Items]
Identifiable intangible assets	$ 64,100
Mastodon | Technology | Minimum
Business Acquisition [Line Items]
Amortization period of acquired intangible assets	5 years
Mastodon | Technology | Maximum
Business Acquisition [Line Items]
Amortization period of acquired intangible assets	9 years

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