Finance Receivables, Net - Summary of Finance Receivable Summarized by Fiscal Year of Origination (Details) - USD ($) $ in Thousands	6 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Apr. 30, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
2026 (2025)	$ 482,658	$ 471,360
2025 (2024)	604,564	603,350
2024 (2023)	286,828	290,958
2023 (2022)	111,517	94,872
2022 (2021)	26,681	11,918
Prior to 2022 (2021)	3,165	1,336
Total	$ 1,515,413	$ 1,473,794	$ 1,509,155
Percent of Portfolio	100.00%	100.00%	100.00%
Charge-offs, 2026 (2025)	$ 24,310	$ 24,742
Charge-offs, 2025 (2024)	140,956	137,604
Charge-offs, 2024 (2023)	70,014	66,999
Charge-offs, 2023 (2022)	27,109	18,381
Charge-offs, 2022 (2021)	6,404	1,993
Charge-offs, Prior to 2022 (2021)	634	338
Charge-offs, total	269,427	250,057
Customer Score 1-2
Accounts, Notes, Loans and Financing Receivable [Line Items]
2026 (2025)	56,403	30,975
2025 (2024)	22,175	27,649
2024 (2023)	11,062	8,152
2023 (2022)	2,597	1,805
2022 (2021)	376	133
Prior to 2022 (2021)	46	54
Total	$ 92,659	$ 68,768
Percent of Portfolio	6.10%	4.70%
Customer Score 3-4
Accounts, Notes, Loans and Financing Receivable [Line Items]
2026 (2025)	$ 130,404	$ 171,128
2025 (2024)	158,907	206,403
2024 (2023)	84,553	75,913
2023 (2022)	23,313	19,301
2022 (2021)	4,029	1,836
Prior to 2022 (2021)	589	313
Total	$ 401,795	$ 474,894
Percent of Portfolio	26.50%	32.20%
Customer Score 5-7
Accounts, Notes, Loans and Financing Receivable [Line Items]
2026 (2025)	$ 295,851
2025 (2024)	423,482
2024 (2023)	191,213
2023 (2022)	85,607
2022 (2021)	22,276
Prior to 2022 (2021)	2,530
Total	$ 1,020,959
Percent of Portfolio	67.40%
Customer Score 5-6
Accounts, Notes, Loans and Financing Receivable [Line Items]
2026 (2025)		$ 269,257
2025 (2024)		369,298
2024 (2023)		206,893
2023 (2022)		73,766
2022 (2021)		9,949
Prior to 2022 (2021)		969
Total		$ 930,132
Percent of Portfolio		63.10%