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

3 Months Ended

Jul. 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 Plan and 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	3,600	41.16
Forfeited	—	—
Outstanding at July 31, 2018	178,073	$	39.45

Schedule of Restricted Stock Units Award Activity

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

Unvested at April 30, 2018	338,981
Granted	164,248
Vested	(100,250	)
Forfeited	(361	)
Performance Award Adjustments	(7,717	)
Unvested at July 31, 2018	394,901