Acquired Card Receivables - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Acquired Card Receivables [Abstract]
Acquired card receivable as collateral	$ 221.7
Authorized transactions but not cleared	$ 76.0
Grace period to payment on acquired card receivables	5 days
Release of provision for expected credit losses	$ 5.7
Card receivables acquired during the period	$ 21,700.0	$ 17,600.0