Share-Based Compensation (Tables)

3 Months Ended

Jul. 31, 2016

Share-Based Compensation [Abstract]

Schedule of Restricted Stock Data for Awards Granted

The following table provides restricted stock data for awards granted by the Company:

	For the Three Months Ended July 31,
	2016	2015
Restricted Stock:
Awards granted (in thousands)	368	285
Weighted average fair value of grant	$51.04	$55.99

Weighted-Average Black-Scholes Fair Value Assumptions by Stock Option Grants

The weighted average Black-Scholes fair value assumptions for the fiscal year 2015 stock option grants were as follows:

	For the Three Months Ended July 31,
	2015
Expected life of options (years)	7.2
Risk-free interest rate	2.1%
Expected volatility	29.7%
Expected dividend yield	2.1%
Fair value of common stock on grant date	$55.99