Business Acquisitions - Proforma (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jan. 31, 2026	Jan. 25, 2025	Jan. 31, 2026	Jan. 25, 2025
Business Acquisitions
Revenue since acquisition date, actual			$ 656,854,000
Loss from operations since acquisition date, actual			(334,922,000)
Amortization expense	$ 49,864,000	$ 4,778,000	152,287,000	$ 14,348,000
Impairment of goodwill	151,306,000		151,306,000
Revenue	408,045,000	395,623,000	1,335,229,000	1,178,098,000
Net loss attributable to AeroVironment, Inc.	$ (149,381,000)	$ (27,535,000)	(178,021,000)	$ (138,675,000)
BlueHalo
Business Acquisitions
Amortization expense			161,153,000
Impairment of goodwill			$ 151,306,000