Finance Receivables, Net - Summary of Changes in Finance Receivables (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2026	Jan. 31, 2025	Apr. 30, 2025	Apr. 30, 2024
Financing Receivable, after Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 1,114,672		$ 1,114,672		$ 1,180,673	$ 1,097,931
Finance receivable originations			730,861	$ 779,013
Finance receivable collections			(351,754)	(338,736)
Provision for credit losses	(105,207)	$ (86,652)	(327,317)	(281,597)
Losses on claims for accident protection plan			(27,765)	(25,013)
Inventory acquired in repossession and accident protection plan claims			(90,631)	(86,031)
Balance at end of period	$ 1,114,067	$ 1,145,567	$ 1,114,067	$ 1,145,567	$ 1,180,010