Revenue Recognition (Tables)

6 Months Ended

Nov. 30, 2025

Revenue from Contract with Customer [Abstract]

Revenue by Product Class and Over Time

The following table summarizes net sales by product class for the periods presented:

	Three Months Ended				Six Months Ended
	November 30,		November 30,		November 30,		November 30,
(In millions)	2025		2024		2025		2024
Product class
Direct	$	844.1	$	700.9	$	1,683.6	$	1,490.8
Toll		27.8		38.1		61.2		82.2
Total	$	871.9	$	739.0	$	1,744.8	$	1,573.0

Summary of Unbilled Receivables and Contract Assets

The following table summarizes the unbilled receivables and contract assets at the dates indicated:

		November 30,		May 31,
(In millions)	Balance Sheet Classification	2025		2025
Unbilled receivables	Receivables	$	3.2	$	4.0
Contract assets	Prepaid expenses and other current assets	$	9.9	$	7.0

Summary of Changes in Contract Liabilities

The following table summarizes the changes in contract liabilities for the periods presented:

(In millions)
Balance at May 31, 2025	$	5.2
Unearned revenue from cash received during the period		2.4
Revenue recognized related to contract liability balance		(2.0	)
Balance at November 30, 2025	$	5.6