Equity-Based Compensation - (Tables)

3 Months Ended

Jul. 31, 2018

Equity-Based Compensation

Summary of stock option activity

				Weighted
		Weighted		Average
		Average		Remaining	Aggregate
	Number of	Exercise		Contractual	Intrinsic
	Options	Price		Life (years)	Value
	(shares and dollars in thousands)
Outstanding as of April 30, 2018	1,952	$	14.37	6.52	$	33,209
Options granted	—		—
Options exercised	(35)		12.31
Options forfeited	(2)		37.49
Options expired	—		—
Outstanding as of July 31, 2018	1,915	$	14.39	6.36	$	25,046
Exercisable as of July 31, 2018	1,701	$	13.04	6.15	$	23,907
Vested and expected to vest as of July 31, 2018	1,910	$	14.35	6.35	$	25,030

Summary of restricted stock unity activity

		Weighted
	Number of	Average
	Restricted	Exercise
	Stock Units	Price
Outstanding as of April 30, 2018	21,766	$	37.49
Granted	—		—
Vested	(655)		37.49
Forfeited	—		—
Outstanding as of July 31, 2018	21,111	$	37.49