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Goodwill and Other Long-Lived Assets | 12 Months Ended
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May 31, 2026
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Other Long-Lived Assets | Note D – Goodwill and Other Long-Lived Assets Goodwill The following table summarizes the changes in the carrying amount of goodwill during the prior two fiscal years by reportable operating segment:
|  |  |  |  |  |  |  | Total |  |  |  |  |  |  |
|  | Building |  |  | Consumer |  |  | Reportable |  |  |  |  |  |  |
|  | Products |  |  | Products |  |  | Segments |  |  | Other |  |  | Total |
Balance at May 31, 2024 |  | $ | 65,948 |  |  | $ | 265,647 |  |  | $ | 331,595 |  |  | $ | - |  |  | $ | 331,595 |
Acquisitions and purchase accounting adjustments(1) |  |  | 41,639 |  |  |  | (237 | ) |  |  | 41,402 |  |  |  | - |  |  |  | 41,402 |
Translation adjustments |  |  | 3,483 |  |  |  | - |  |  |  | 3,483 |  |  |  | - |  |  |  | 3,483 |
Balance at May 31, 2025 |  | $ | 111,070 |  |  | $ | 265,410 |  |  | $ | 376,480 |  |  | $ | - |  |  | $ | 376,480 |
Acquisitions and purchase accounting adjustments(1) |  |  | 118,402 |  |  |  | - |  |  |  | 118,402 |  |  |  | - |  |  |  | 118,402 |
Translation adjustments |  |  | 5,902 |  |  |  | - |  |  |  | 5,902 |  |  |  | - |  |  |  | 5,902 |
Balance at May 31, 2026 |  | $ | 235,374 |  |  | $ | 265,410 |  |  | $ | 500,784 |  |  | $ | - |  |  | $ | 500,784 |
(1) For additional information regarding our acquisitions, refer to “Note P – Acquisitions.” Accumulated goodwill impairment charges within Other totaled $212,500 as of May 31, 2026 and May 31, 2025, respectively. Other Intangible Assets Intangible assets with definite lives are amortized on a straight-line basis over their estimated useful lives, which range from 10 to 20 years. The following table summarizes other intangible assets by class as of the end of the prior two fiscal years:
|  | 2026 |  |  | 2025 |
|  |  |  |  | Accumulated |  |  |  |  |  | Accumulated |
|  | Cost |  |  | Amortization |  |  | Cost |  |  | Amortization |
Indefinite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
Trade names |  | $ | 105,081 |  |  | $ | - |  |  | $ | 83,981 |  |  | $ | - |
Total indefinite-lived intangible assets |  |  | 105,081 |  |  |  | - |  |  |  | 83,981 |  |  |  | - |
Definite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
Patents |  | $ | 7,000 |  |  | $ | 642 |  |  | $ | - |  |  | $ | - |
Trade names |  |  | 16,374 |  |  |  | 2,535 |  |  |  | 8,004 |  |  |  | 923 |
Customer relationships |  |  | 242,200 |  |  |  | 87,249 |  |  |  | 149,188 |  |  |  | 76,027 |
Non-compete agreements |  |  | 5,208 |  |  |  | 3,073 |  |  |  | 2,708 |  |  |  | 2,708 |
Technology know-how |  |  | 53,842 |  |  |  | 13,445 |  |  |  | 35,404 |  |  |  | 9,229 |
Total definite-lived intangible assets |  |  | 324,624 |  |  |  | 106,944 |  |  |  | 195,304 |  |  |  | 88,887 |
Total intangible assets |  | $ | 429,705 |  |  | $ | 106,944 |  |  | $ | 279,285 |  |  | $ | 88,887 |
Amortization expense totale d $17,096, $13,659, and $11,787 in fiscal 2026, fiscal 2025 and fiscal 2024, respectively. Amortization expense for each of the next five fiscal years is estimated to be:
2027 | $ | 20,618 |
2028 | $ | 20,284 |
2029 | $ | 20,284 |
2030 | $ | 20,284 |
2031 | $ | 19,913 |
Impairment of Goodwill and Long-Lived Assets The following section provides additional information on material impairment activity for the periods presented. Fiscal 2025: During the fourth quarter of fiscal 2025, we determined that an impairment indicator was present for the long-lived assets of the GTI business within the Consumer Products operating segment, primarily due to uncertainties resulting from the imposition of tariffs on imported goods. We determined that intangible assets with a combined carrying amount of $59,711 were impaired and wrote them down to their estimated fair value of $9,661 resulting in a pre-tax impairment charge of $50,050. Fair value was based on expected future cash flows using Level 3 inputs under ASC 820. The cash flows are those expected to be generated by market participants, discounted at an appropriate rate for the risks inherent in those cash flow projections, or 14%. Our projections contain uncertainties as they require us to make assumptions about market comparables, future cash flows, and the appropriate discount rates to reflect the risk inherent in the future cash flows and to derive a reasonable enterprise value. The estimated future cash flows reflect our latest assumptions of the financial projections based on the current and anticipated tariff landscape, including estimates of revenue over the foreseeable future and long-term growth rates, and operating margins based on historical trends and future cost containment activities. Goodwill was tested separately at the Building Products and Consumer Products reporting unit level and was not impaired. Fiscal 2024: On May 29, 2024, we became a noncontrolling equity partner in SES, a new unconsolidated joint venture with Hexagon Composites by selling 51% of the nominal share capital of our former Sustainable Energy Solutions operating segment in Europe. The book value of the disposal group exceeded its estimated fair market value (determined using Level 2 inputs), which resulted in the recording of a $32,203 impairment charge. Included in the impairment charge was goodwill with a book value of $14,210, which was deemed fully impaired and written off and long-lived assets with a carrying value of $46,215 which were written down to their estimated fair market value of $28,222.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
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