Deferred Client Conversion and Start-Up Costs (Tables)

12 Months Ended

Jun. 30, 2024

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of Deferred Client Conversion and Start-up Costs

Deferred client conversion and start-up costs consisted of the following:

	June 30,
	2024		2023
	(in millions)
Deferred client conversion and start-up costs	$	884.5	$	925.4
Other start-up costs	7.6		11.5
Total	$	892.1	$	937.0