Investments in Unconsolidated Affiliates - Schedule of Summarized Financial Information for Unconsolidated Affiliates (Detail) - USD ($) $ in Thousands	May 31, 2025	May 31, 2024
Investments in and Advances to Affiliates [Line Items]
Current assets	$ 685,370	$ 673,893
Current liabilities	196,842	178,376
Equity (Deficit)	937,187	888,879
WAVE \| Equity Method Investment, Nonconsolidated Investee, Other
Investments in and Advances to Affiliates [Line Items]
Current assets	119,776	102,692
Noncurrent assets	90,546	86,660
Current liabilities	27,204	24,566
Noncurrent liabilities	387,302	385,541
Equity (Deficit)	(204,184)	(220,755)
ClarkDietrich \| Equity Method Investment, Nonconsolidated Investee, Other
Investments in and Advances to Affiliates [Line Items]
Current assets	377,854	404,832
Noncurrent assets	192,636	167,873
Current liabilities	165,484	183,893
Noncurrent liabilities	39,963	43,345
Equity (Deficit)	365,042	345,466
Other \| Equity Method Investment, Nonconsolidated Investee, Other
Investments in and Advances to Affiliates [Line Items]
Current assets	110,518	133,682
Noncurrent assets	102,097	105,728
Current liabilities	52,147	69,954
Noncurrent liabilities	65,593	67,529
Equity (Deficit)	$ 94,875	$ 101,928

Amount of asset recognized for present right to economic benefit, classified as current.

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