Acquired Card Receivables - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Acquired Card Receivables [Abstract]
Acquired card receivable as collateral	$ 236.3		$ 236.3
Authorized transactions but not cleared	43.0		$ 43.0
Grace period to payment on acquired card receivables			5 days
Card receivables acquired during the period	$ 5,300.0	$ 4,300.0	$ 10,500.0	$ 8,300.0