Contractual Commitments, Contingencies, and Off-Balance Sheet Arrangements - Contractual Obligations (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Commitments and Contingencies Disclosure [Abstract]
Data center expenses	$ 235.1	$ 248.0	$ 204.3
Software license agreements	90.6	81.9	63.6
Software/hardware maintenance agreements	73.8	77.3	77.5
Total expenses	$ 399.5	$ 407.1	$ 345.4

The aggregate amount of communications, data processing and occupancy expenses.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.6)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.14)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1

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