Revenue Recognition (Tables)

9 Months Ended

Feb. 28, 2026

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				Nine Months Ended
	February 28,		February 28,		February 28,		February 28,
(In millions)	2026		2025		2026		2025
Product class
Direct	$	743.0	$	653.8	$	2,426.6	$	2,144.6
Toll		26.8		33.6		88.0		115.8
Total	$	769.8	$	687.4	$	2,514.6	$	2,260.4

Summary of Unbilled Receivables and Contract Assets

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

		February 28,		May 31,
(In millions)	Balance Sheet Classification	2026		2025
Unbilled receivables	Receivables	$	4.1	$	4.0
Contract assets	Prepaid expenses and other current assets	$	11.1	$	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		4.1
Revenue recognized related to contract liability balance		(3.4	)
Balance at February 28, 2026	$	5.9