Stock-Based Compensation (Tables)

6 Months Ended

Nov. 30, 2013

Non-Qualified Stock Options

Assumptions to Value Stock Options

The following assumptions were used to value these stock options:

Dividend yield	2.28	%
Expected volatility	52.23	%
Risk-free interest rate	1.69	%
Expected term (years)	6.0

Market-Based Restricted Common Shares

Assumptions to Value Stock Options

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

Dividend yield	2.28	%
Expected volatility	53.40	%
Risk-free interest rate	1.41	%