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Stock-Based Compensation

6 Months Ended

Nov. 30, 2021

Share-based Payment Arrangement [Abstract]

Stock-Based Compensation

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																		Six months ended
			November 30,																		November 30,
			2021									2020									2021									2020
Stock option expense			$			1.8						$			2.5						$			2.5						$			2.8
Restricted stock unit expense						0.9									0.5									1.6									0.7
Management stock purchase plan						0.3									0.0									0.3									0.0
Employee stock purchase plan						0.0									0.0									0.1									0.1
Total stock-based compensation expense			$			3.0						$			3.0						$			4.5						$			3.6

The following table sets forth Common Stock issued pursuant to stock-based compensation plans for the periods indicated:

			Three months ended												Six months ended
			November 30,												November 30,
			2021						2020						2021						2020
Common Stock issued pursuant to stock-based compensation plans (in millions)			0.2						0.1						0.3						0.1

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- Definition

The entire disclosure for share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-URI http://asc.fasb.org/topic&trid=2228938

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- References

No definition available.

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