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v3.23.2

Investments in Unconsolidated Affiliates - Financial Results of Four Largest Unconsolidated Affiliates (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
May 31, 2023 | May 31, 2022 | May 31, 2021
Investments In And Advances To Affiliates [Line Items] |  |  |  |
Net sales |  | $ 4,916,392 | $ 5,242,219 | $ 3,171,429
Gross margin |  | 663,312 | 714,816 | 639,078
Net earnings (loss) |  | 269,170 | 399,264 | 741,450
Equity Method Investment, Nonconsolidated Investee, Other |  |  |  |
Investments In And Advances To Affiliates [Line Items] |  |  |  |
Net sales |  | 2,880,640 | 3,268,842 | 1,918,477
Gross margin |  | 693,546 | 808,599 | 438,558
Operating income (loss) |  | 526,601 | 636,224 | 310,600
Depreciation and amortization |  | 34,256 | 32,094 | 34,988
Interest expense |  | 16,518 | 10,442 | 12,284
Income tax expense (benefit) |  | 1,011 | 26,739 | 11,960
Net earnings (loss) |  | 516,505 | 605,017 | 293,186
WAVE | Equity Method Investment, Nonconsolidated Investee, Other |  |  |  |
Investments In And Advances To Affiliates [Line Items] |  |  |  |
Net sales |  | 447,369 | 452,368 | 371,814
Gross margin |  | 242,257 | 238,523 | 215,692
Operating income (loss) |  | 184,882 | 183,545 | 165,381
Depreciation and amortization |  | 4,679 | 4,554 | 4,073
Interest expense |  | 13,024 | 8,386 | 8,909
Income tax expense (benefit) |  | 222 | 158 | 200
Net earnings (loss) |  | 171,687 | 175,154 | 156,869
ClarkDietrich | Equity Method Investment, Nonconsolidated Investee, Other |  |  |  |
Investments In And Advances To Affiliates [Line Items] |  |  |  |
Net sales |  | 1,451,665 | 1,695,808 | 893,371
Gross margin |  | 403,569 | 431,070 | 158,074
Operating income (loss) |  | 318,914 | 351,583 | 94,888
Depreciation and amortization |  | 13,717 | 10,946 | 11,917
Interest expense |  | 524 | 308 | 101
Income tax expense (benefit) |  | 1,924 |  |
Net earnings (loss) |  | 321,977 | 356,288 | 98,313
Serviacero Worthington | Equity Method Investment, Nonconsolidated Investee, Other |  |  |  |
Investments In And Advances To Affiliates [Line Items] |  |  |  |
Net sales |  | 564,569 | 620,312 | 311,543
Gross margin |  | 21,503 | 96,918 | 51,253
Operating income (loss) |  | 10,387 | 87,342 | 43,075
Depreciation and amortization |  | 4,030 | 4,300 | 4,305
Interest expense |  | 329 | 180 | 42
Income tax expense (benefit) |  | (2,996) | 25,079 | 11,341
Net earnings (loss) |  | 15,451 | 59,565 | 31,865
ArtiFlex | Equity Method Investment, Nonconsolidated Investee, Other |  |  |  |
Investments In And Advances To Affiliates [Line Items] |  |  |  |
Net sales | [1] | 52,641 | 187,089 | 144,834
Gross margin | [1] | 8,589 | 30,633 | 20,596
Operating income (loss) | [1] | 4,911 | 15,778 | 9,628
Depreciation and amortization | [1] | 1,444 | 5,708 | 5,728
Interest expense | [1] | 134 | 340 | 528
Income tax expense (benefit) | [1] | 59 | 258 | 149
Net earnings (loss) | [1] | 4,717 | 15,180 | 8,950
Workhorse | Equity Method Investment, Nonconsolidated Investee, Other |  |  |  |
Investments In And Advances To Affiliates [Line Items] |  |  |  |
Net sales |  | 364,396 | 313,265 | 196,915
Gross margin |  | 17,628 | 11,455 | (7,057)
Operating income (loss) |  | 7,507 | (2,024) | (2,372)
Depreciation and amortization |  | 10,386 | 6,586 | 8,965
Interest expense |  | 2,507 | 1,228 | 2,704
Income tax expense (benefit) |  | 1,802 | 1,244 | 270
Net earnings (loss) |  | $ 2,673 | $ (1,170) | $ (2,811)
[1] | On August 3, 2022, we sold our 50% noncontrolling equity interest in ArtiFlex.

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