Disclosure of Compensation Related Costs, Share Based Payments (Tables)

6 Months Ended

Oct. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock Options Activity

Information concerning the issuance of stock options under the Prior Plans is presented in the following table:

	Number of option shares	Weighted average option exercise price
Outstanding at April 30, 2018	181,673	$	39.48
Granted	—	—
Exercised	11,292	33.55
Forfeited	—	—
Outstanding at October 31, 2018	170,381	$	39.88

Schedule of Restricted Stock Units Award Activity

Information concerning the unvested restricted stock units under the 2009 Plan and the 2018 Plan is presented in the following table:

Unvested at April 30, 2018	338,981
Granted	172,232
Vested	(103,300	)
Forfeited	(3,366	)
Performance Award Adjustments	(7,717	)
Unvested at October 31, 2018	396,830