Related Party Transactions - Additional Information (Details) - USD ($)	3 Months Ended			6 Months Ended	9 Months Ended
	Feb. 29, 2024	Nov. 30, 2023	Feb. 28, 2023	Nov. 30, 2023	Feb. 29, 2024	Feb. 28, 2023	May 31, 2023	Jun. 08, 2021
Related Party Transaction [Line Items]
Selling, general and administrative expense	$ 52,800,000		$ 49,700,000		$ 160,700,000	$ 147,700,000
Net sales	805,800,000		780,700,000		2,519,600,000	2,723,700,000
Net transfers from (to) the former parent excluding distribution					150,000,000
Current maturities of long-term debt due to Worthington Enterprises, Inc.	0				0		$ 20,000,000
Interest expense	2,900,000		500,000		3,600,000	2,700,000
Former Parent
Related Party Transaction [Line Items]
Selling, general and administrative expense			18,700,000		38,500,000	50,800,000
Net sales	20,300,000	$ 19,300,000	26,400,000	$ 43,800,000		62,100,000
Outstanding accounts receivable	10,800,000				10,800,000
TWB Term Loan
Related Party Transaction [Line Items]
Debt, interest rate								5.00%
TWB Term Loan | Former Parent
Related Party Transaction [Line Items]
Current maturities of long-term debt due to Worthington Enterprises, Inc.	$ 0				$ 0		$ 20,000,000
Debt, interest rate		5.00%		5.00%
Interest expense			$ 400,000	$ 500,000		$ 900,000