Stock-Based Compensation

3 Months Ended

Aug. 31, 2014

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

Disclosure of Compensation Related Costs, Share-based Payments

Stock-Based Compensation

The following table summarizes stock-based compensation expense included in Selling, general and administrative expenses for the periods indicated:



	Three months ended
	August 31, 2014		August 31, 2013
Stock option expense	$	0.8	$	0.2
Restricted stock unit expense	0.7		0.8
Management stock purchase plan	0.0		0.0
Employee stock purchase plan	0.1		0.1
Total stock-based compensation expense	$	1.6	$	1.1

During each of the three month periods ended August 31, 2014 and 2013, respectively, approximately 0.5 million and 0.4 million shares of Common Stock were issued by the Corporation pursuant to its stock-based compensation plans.

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

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