CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2019	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2015
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 47,419	$ 17,647	$ 13,078	$ 13,078
Other comprehensive income:
Change in foreign currency translation adjustments	(34)	36
Unrealized gain on investments, net of deferred tax expense of $51, $25, and $43 for the fiscal years ended 2019, 2018, and 2017, respectively	57	70	74	74
Total comprehensive income	47,442	17,753	13,152	13,152
Net loss attributable to noncontrolling interest	19	216	22	22
Comprehensive income (loss) attributable to AeroVironment	$ 47,461	$ 17,969	$ 13,174	$ 13,174