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

3 Months Ended

Jul. 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		(361)		(116)		(4,921)
Change in fair value		60		57		604
Balance as of July 31, 2019	$	23,157	$	1,636	$	8,181
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 July 31, 2019	$	1,190	$	—	$	—
Classified as long-term as of July 31, 2019		21,967		1,636		8,181