Stock Appreciation Rights, Deferred Compensation and Redeemable Noncontrolling Interests (Tables)

12 Months Ended

Apr. 30, 2018


	Stock
	Appreciation		Deferred		Noncontrolling
	Rights		Compensation		Interests
	(in thousands)
Balance as of April 30, 2016	$	20,533	$	3,270	$	26,585
Redemption notes		(28)		—		(5,354)
Change in fair value		157		480		3,078
Balance as of April 30, 2017		20,662		3,750		24,309
Amounts redeemed		(1,036)		(1,733)		(9,664)
Change in fair value		2,318		205		1,525
Balance as of April 30, 2018	$	21,944	$	2,222	$	16,170

Classified as current as of April 30, 2017	$	878	$	300	$	1,733
Classified as long-term as of April 30, 2017		19,784		3,450		22,576

Classified as current as of April 30, 2018		308		133		463
Classified as long-term as of April 30, 2018		21,636		2,089		15,707