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Acquisition (Detail Textual) - USD ($) $ in Thousands		3 Months Ended
Acquisition (Detail Textual) - USD ($) $ in Thousands	Aug. 11, 2020	Sep. 30, 2020	Jun. 30, 2020
Business Acquisition [Line Items]
Goodwill		$ 3,622,188	$ 3,407,110
Customer contracts and related customer relationships
Business Acquisition [Line Items]
Amortization period of acquired intangible assets		17 years 7 months 6 days
Technology
Business Acquisition [Line Items]
Amortization period of acquired intangible assets		14 years 8 months 12 days
AVT
Business Acquisition [Line Items]
Purchase consideration	$ 348,800
Acquisition date	Aug. 11, 2020
Goodwill	$ 210,900
Identifiable intangible assets	133,800
Amount of tax deductible goodwill and intangibles	319,700
AVT \| Customer contracts and related customer relationships
Business Acquisition [Line Items]
Identifiable intangible assets	$ 65,700
Amortization period of acquired intangible assets	20 years
AVT \| Technology
Business Acquisition [Line Items]
Identifiable intangible assets	$ 68,100
Amortization period of acquired intangible assets	10 years