ACQUISITIONS (Detail Textual 1) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2019	Jun. 30, 2020
Business Acquisition [Line Items]
Goodwill	$ 3,632,578	$ 3,336,079	$ 3,407,110
Customer contracts and related customer relationships
Business Acquisition [Line Items]
Amortization period of acquired intangible assets	17 years 9 months 18 days
Technology
Business Acquisition [Line Items]
Amortization period of acquired intangible assets	10 years 7 months 6 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