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Investments in Unconsolidated Affiliates (Tables) | 3 Months Ended
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Aug. 31, 2025
Equity Method Investments and Joint Ventures [Abstract] |
Financial Information | The following tables present summarized financial information for our unconsolidated affiliates for three months ended August 31, 2025 and 2024:
| Three Months Ended |  |
| August 31, |  |
| 2025 |  |  | 2024 |  |
WAVE |  |  |  |  |  |
Net sales | $ | 134,717 |  |  | $ | 125,905 |  |
Operating income |  | 67,683 |  |  |  | 60,065 |  |
Depreciation and amortization |  | 1,638 |  |  |  | 1,470 |  |
Interest expense, net |  | 3,960 |  |  |  | 4,409 |  |
Income tax expense |  | 134 |  |  |  | 64 |  |
Net earnings |  | 63,597 |  |  |  | 56,209 |  |
ClarkDietrich |  |  |  |  |  |
Net sales | $ | 289,991 |  |  | $ | 301,855 |  |
Operating income |  | 22,789 |  |  |  | 34,081 |  |
Depreciation and amortization |  | 4,495 |  |  |  | 3,873 |  |
Interest expense (income), net |  | 80 |  |  |  | (142 | ) |
Income tax expense |  | 13 |  |  |  | 537 |  |
Net earnings |  | 23,735 |  |  |  | 34,976 |  |
Other |  |  |  |  |  |
Net sales | $ | 72,485 |  |  | $ | 87,913 |  |
Operating income (loss) |  | (3,257 | ) |  |  | 200 |  |
Depreciation and amortization |  | 2,214 |  |  |  | 2,663 |  |
Interest expense, net |  | 295 |  |  |  | 491 |  |
Income tax expense |  | 59 |  |  |  | 44 |  |
Net earnings (loss) |  | (3,623 | ) |  |  | (503 | ) |

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 + Details
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