Acquired Card Receivables - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Acquired Card Receivables [Abstract]
Acquired card receivable as collateral	$ 437.2		$ 437.2
Authorized transactions but not cleared	41.9		$ 41.9
Grace period to payment on acquired card receivables			5 days
Card receivables acquired during the period	$ 6,600.0	$ 5,300.0	$ 12,800.0	$ 10,500.0