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Stock-Based Compensation (Tables)

3 Months Ended

Aug. 31, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan

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

			Three months ended
			August 31,
			2024									2023
Stock option expense			$			0.6						$			0.6
Restricted stock unit expense						1.5									1.5
Management stock purchase plan						0.0									0.0
Employee stock purchase plan						0.1									0.2
Total stock-based compensation expense			$			2.2						$			2.3

Schedule of Shares Issued Pursuant to Share-based Compensation Activity

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

			Three months ended
			August 31,
			2024						2023
Common Stock issued pursuant to stock-based compensation plans (in millions)			0.1						0.1

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- Definition

Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.

+ References

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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value.

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