Segment Reporting - Summary of Selling General and Administrative Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024
Compensation and benefits:
Compensation and benefits, excluding share-based compensation expense	14.20%		14.50%
Share-based compensation expense	(9.30%)		(14.00%)
Total compensation and benefits	0.132		0.131
Store occupancy costs	17.80%		6.60%
Advertising costs	41.10%		8.80%
Other overhead costs	39.30%		25.50%
Total selling, general and administrative expenses	0.207		0.152
Segment Reporting Information [Line Items]
Total selling, general and administrative expenses	$ 57,222	$ 47,407	$ 108,409	$ 94,118
Compensation and benefits, excluding share-based compensation expense	14.20%		14.50%
Share-based compensation expense	(9.30%)		(14.00%)
Total compensation and benefits	0.132		0.131
Store occupancy costs	17.80%		6.60%
Advertising costs	41.10%		8.80%
Other overhead costs	39.30%		25.50%
Total selling, general and administrative expenses	0.207		0.152
Reportable Segment
Segment Reporting Information [Line Items]
Compensation and benefits, excluding share-based compensation expense	$ 32,543	28,500	$ 64,574	56,419
Share-based compensation expense	1,189	1,311	2,346	2,729
Total compensation and benefits	33,732	29,811	66,920	59,148
Store occupancy costs	5,714	4,850	11,209	10,512
Advertising costs	1,422	1,008	2,766	2,543
Other overhead costs	16,354	11,738	27,514	21,915
Total selling, general and administrative expenses	$ 57,222	$ 47,407	$ 108,409	$ 94,118