Description of Business and Basis of Presentation (Tables)

9 Months Ended

Feb. 28, 2026

Accounting Policies [Abstract]

Summary of Reconciliation of Cash and Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash and cash equivalents and restricted cash reported within the consolidated balance sheets that sum to the total of the same amounts shown in the consolidated statements of cash flows as of the beginning and end of the periods presented:

	Nine Months Ended
	February 28,		February 28,
(In millions)	2026		2025
Reconciliation of cash, cash equivalents, and restricted cash, beginning of period
Cash and cash equivalents		38.0		40.2
Restricted cash		54.9		-
Total cash and cash equivalents and restricted cash, at beginning of period	$	92.9	$	40.2
Reconciliation of cash, cash equivalents, and restricted cash, end of period
Cash and cash equivalents		90.0		63.3
Restricted cash		-		-
Total cash and cash equivalents and restricted cash, at end of period	$	90.0	$	63.3

Summary of Concentration Percentage of Consolidated Net Sales

The following table summarizes the concentration percentage of consolidated net sales for the periods presented:

	Three Months Ended						Nine Months Ended
	February 28,			February 28,			February 28,			February 28,
(Percentage of Net Sales)	2026			2025			2026			2025
End Market – Automotive		54	%		52	%		55	%		52	%
Detroit Three Automakers		33	%		32	%		35	%		32	%
Largest Automotive Customers:
Customer A		15	%		12	%		14	%		12	%
Customer B		12	%		14	%		14	%		14	%

Equity Securities

As of February 28, 2026, the Company’s equity securities were comprised exclusively of Kloeckner Shares (as defined in Note 2 to the accompanying consolidated financial statements). The fair value of these securities may fluctuate based on market conditions and issuer-specific developments.