Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Jan. 31, 2026	Jan. 31, 2025
Supplemental disclosures:
Interest paid	$ 58,083	$ 53,795
Income taxes paid, net	9,059	7,853
Non-cash transactions:
Inventory acquired in repossession and accident protection plan claims	90,027	86,031
Issuance of warrants	11,642	0
Reduction in net receivables for deferred ancillary product revenue at time of charge-off	25,497	24,445
Right-of-use assets obtained in exchange for operating lease liabilities	0	384
Right-of-use assets obtained in exchange for operating lease liabilities through acquisitions	$ 0	$ 7,433