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

6 Months Ended

Oct. 31, 2019

Stock Appreciation Rights, Deferred Compensation and Redeemable Noncontrolling Interests

Summary of changes to liability for equity based compensation arrangements

	Stock				Redeemable
	Appreciation		Deferred		Noncontrolling
	Rights		Compensation		Interests
	(in thousands)
Balance as of April 30, 2019	$	23,458	$	1,695	$	12,498
Amounts redeemed		(825)		(108)		(4,644)
Change in fair value		1,327		94		550
Balance as of October 31, 2019	$	23,960	$	1,681	$	8,404
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 October 31, 2019	$	821	$	—	$	—
Classified as long-term as of October 31, 2019		23,139		1,681		8,404