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Acquisitions - Narratives (Details) $ in Thousands	12 Months Ended
Acquisitions - Narratives (Details) $ in Thousands	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($) Acquisition	Jun. 30, 2021 USD ($)
Business Acquisition [Line Items]
Goodwill	$ 4,084,705	$ 4,058,291	$ 3,632,578
Fiscal 2023 Acquisition
Business Acquisition [Line Items]
Purchase consideration	17,300
Goodwill	15,500
Identifiable intangible assets	$ 2,000
Fiscal 2022 Acquisitions
Business Acquisition [Line Items]
Purchase consideration		616,600
Goodwill		450,500
Identifiable intangible assets		$ 180,600
Number of acquisitions \| Acquisition		4
Amount of tax deductible goodwill and intangibles		$ 493,200
Fiscal 2022 Acquisitions \| Customer contracts and related customer relationships
Business Acquisition [Line Items]
Identifiable intangible assets		$ 98,400
Fiscal 2022 Acquisitions \| Customer contracts and related customer relationships \| Minimum
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life		15 years
Fiscal 2022 Acquisitions \| Customer contracts and related customer relationships \| Maximum
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life		20 years
Fiscal 2022 Acquisitions \| Technology
Business Acquisition [Line Items]
Identifiable intangible assets		$ 82,200
Fiscal 2022 Acquisitions \| Technology \| Minimum
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life		5 years
Fiscal 2022 Acquisitions \| Technology \| Maximum
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life		10 years
Fiscal 2021 Acquisition
Business Acquisition [Line Items]
Purchase consideration			348,800
Goodwill			211,000
Identifiable intangible assets			133,800
Amount of tax deductible goodwill and intangibles			319,700
Fiscal 2021 Acquisition \| Customer contracts and related customer relationships
Business Acquisition [Line Items]
Identifiable intangible assets			$ 65,700
Acquired finite-lived intangible assets, weighted average useful life			20 years
Fiscal 2021 Acquisition \| Technology
Business Acquisition [Line Items]
Identifiable intangible assets			$ 68,100
Acquired finite-lived intangible assets, weighted average useful life			10 years