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

12 Months Ended

Apr. 30, 2020

Stock Appreciation Rights, Deferred Compensation and Redeemable Noncontrolling Interests

Summary of changes to the liabilities for stock appreciation rights, deferred compensation and redeemable noncontrolling interests

	Stock				Redeemable
	Appreciation		Deferred		Noncontrolling
	Rights		Compensation		Interests
	(in thousands)
Balance as of April 30, 2018	$	21,944	$	2,222	$	16,170
Amounts redeemed		(1,216)		(715)		(4,673)
Change in fair value		2,730		188		1,001
Balance as of April 30, 2019		23,458		1,695		12,498
Amounts redeemed		(825)		(108)		(4,644)
Change in fair value		1,572		73		446
Balance as of April 30, 2020	$	24,205	$	1,660	$	8,300
Classified as current as of April 30, 2019	$	1,355	$	108	$	1,569
Classified as long-term as of April 30, 2019		22,103		1,587		10,929
Classified as current as of April 30, 2020	$	624	$	—	$	—
Classified as long-term as of April 30, 2020		23,581		1,660		8,300