Revenue Recognition (Tables)

3 Months Ended

Aug. 31, 2022

Disaggregation Of Revenue [Line Items]

Revenue by Product Class and Over Time

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

	Three Months Ended
	August 31,
(in thousands)	2022		2021
Steel Processing
Direct	$	1,002,135	$	788,028
Toll		36,745		34,782
Total		1,038,880		822,810
Consumer Products (1)		188,703		147,783
Building Products (1)		150,323		114,743
Sustainable Energy Solutions (1)		30,759		25,482
Total	$	1,408,665	$	1,110,818

Summary of Unbilled Receivable

The following table summarizes the unbilled receivables at the dates indicated:

		August 31,		May 31,
(in thousands)	Balance Sheet Classification	2022		2022
Unbilled receivables	Receivables	$	5,485	$	5,001

Over time revenue

Disaggregation Of Revenue [Line Items]

Revenue by Product Class and Over Time

The following table summarizes the over time revenue for the periods presented:

	Three Months Ended
	August 31,
(in thousands)	2022		2021
Steel Processing - toll	$	36,745	$	34,782