Stock-Based Compensation (Tables)

9 Months Ended

Feb. 28, 2019

Schedule of Assumptions Used to Determine Grant Date Fair Value of Restricted Common Shares

The following assumptions were used to determine the grant-date fair value and the derived service period for these restricted common shares:

Dividend yield	2.16	%
Expected volatility	33.60	%
Risk-free interest rate	2.96	%

Non-Qualified Stock Options

Schedule of Assumptions Used to Determine Fair Value of Stock Options

The following assumptions were used to value these stock options:

Dividend yield	2.01% - 2.16%
Expected volatility	33.04% - 33.60%
Risk-free interest rate	2.77% - 2.96%
Expected term (years)		6.0