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v3.25.2

Investments in Unconsolidated Affiliates - Financial Results of Unconsolidated Affiliates (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
May 31, 2025 | May 31, 2024 | May 31, 2023
Investments In And Advances To Affiliates [Line Items] |  |  |
Net sales | $ 1,153,762 | $ 1,245,703 | $ 1,418,496
Gross profit | 319,035 | 285,019 | 323,588
Net earnings (loss) | 94,970 | 117,821 | 269,170
WAVE | Equity Method Investment, Nonconsolidated Investee, Other |  |  |
Investments In And Advances To Affiliates [Line Items] |  |  |
Net sales | 496,355 | 479,153 | 447,369
Gross profit | 300,881 | 286,228 | 242,257
Operating income (loss) | 238,139 | 225,202 | 184,882
Depreciation and amortization | 5,436 | 4,926 | 4,679
Interest expense (income), net | 16,821 | 17,288 | 13,024
Income tax expense | 341 | 267 | 222
Net earnings (loss) | 221,487 | 205,976 | 171,687
ClarkDietrich | Equity Method Investment, Nonconsolidated Investee, Other |  |  |
Investments In And Advances To Affiliates [Line Items] |  |  |
Net sales | 1,167,689 | 1,308,517 | 1,451,665
Gross profit | 243,556 | 326,616 | 403,569
Operating income (loss) | 157,375 | 236,575 | 318,914
Depreciation and amortization | 16,002 | 15,075 | 13,717
Interest expense (income), net | (93) | 171 | 524
Income tax expense | 1,265 | 2,250 | 1,924
Net earnings (loss) | 163,182 | 239,309 | 321,977
Other | Equity Method Investment, Nonconsolidated Investee, Other |  |  |
Investments In And Advances To Affiliates [Line Items] |  |  |
Net sales | 329,651 | 317,185 | 417,037
Gross profit | 24,745 | 36,648 | 26,217
Operating income (loss) | (6,249) | 26,881 | 12,418
Depreciation and amortization | 9,902 | 8,974 | 11,830
Interest expense (income), net | 1,041 | 2,417 | 2,641
Income tax expense | 132 | 744 | 1,861
Net earnings (loss) | $ (5,539) | $ 22,952 | $ 7,390

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