Net Sales - Breakdown of Net sale (Detail) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2020
Segment Reporting Revenue Reconciling Item [Line Items]
Total Net Sales	$ 864,126	$ 1,059,195	$ 529,618
Handguns
Segment Reporting Revenue Reconciling Item [Line Items]
Total Net Sales	624,219	755,735	390,711
Long Guns
Segment Reporting Revenue Reconciling Item [Line Items]
Total Net Sales	189,467	253,340	101,540
Other products and services
Segment Reporting Revenue Reconciling Item [Line Items]
Total Net Sales	$ 50,440	$ 50,120	$ 37,367