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Income Taxes (Tables) | 12 Months Ended
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May 31, 2025
Income Tax Disclosure [Abstract] |
Earnings before Income Taxes | Earnings before income taxes for the prior three fiscal years included the following components:
|  | 2025 |  |  | 2024 |  |  | 2023 |
U.S. based operations |  | $ | 132,160 |  |  | $ | 107,643 |  |  | $ | 149,670 |
Non – U.S. based operations |  |  | (3,351 | ) |  |  | (33,636 | ) |  |  | 10,616 |
Earnings before income taxes |  |  | 128,809 |  |  |  | 74,007 |  |  |  | 160,286 |
Plus: net loss attributable to noncontrolling interests (1) |  |  | 1,083 |  |  |  | 263 |  |  |  | - |
Earnings before income taxes attributable to controlling interest |  | $ | 129,892 |  |  | $ | 74,270 |  |  | $ | 160,286 |
(1) Net earnings attributable to noncontrolling interests are not taxable to us.
Components of Income Tax Expense (Benefit) | Significant components of income tax expense (benefit) for the three prior fiscal years were as follows:
|  | 2025 |  |  | 2024 |  |  | 2023 |
Current |  |  |  |  |  |  |  |  |
Federal |  | $ | 44,669 |  |  | $ | 32,743 |  |  | $ | 34,734 |
State and local |  |  | 5,714 |  |  |  | 1,576 |  |  |  | 2,891 |
Foreign |  |  | 1,894 |  |  |  | 1,666 |  |  |  | 3,988 |
Subtotal |  |  | 52,277 |  |  |  | 35,985 |  |  |  | 41,613 |
Deferred |  |  |  |  |  |  |  |  |
Federal |  |  | (14,775 | ) |  |  | (3,751 | ) |  |  | (4,427 | )
State and local |  |  | (2,256 | ) |  |  | 3,801 |  |  |  | (1,943 | )
Foreign |  |  | (1,407 | ) |  |  | 2,992 |  |  |  | (708 | )
Subtotal |  |  | (18,438 | ) |  |  | 3,042 |  |  |  | (7,078 | )
Total |  | $ | 33,839 |  |  | $ | 39,027 |  |  | $ | 34,535 |
Reconciliation of Federal Statutory Corporate Income Tax Rate to Total Tax Provision | A reconciliation of the federal statutory corporate income tax rate to total tax provision for the three prior fiscal years follows:
|  | 2025 |  |  | 2024 |  |  | 2023 |
Federal statutory corporate income tax rate |  |  | 21.0 | % |  |  | 21.0 | % |  |  | 21.0 | %
State and local income taxes, net of federal tax benefit |  |  | 1.8 |  |  |  | 3.5 |  |  |  | 0.6 |
Non-U.S. income taxes at other than federal statutory rate |  |  | 0.8 |  |  |  | 0.5 |  |  |  | 0.7 |
Excess benefit related to share-based payment awards |  |  | (0.7 | ) |  |  | (2.7 | ) |  |  | (0.1 | )
Non-deductible executive compensation |  |  | 1.6 |  |  |  | 4.9 |  |  |  | 2.1 |
Research and development tax credit |  |  | - |  |  |  | (0.2 | ) |  |  | (0.8 | )
Non-deductible spin-off transaction costs |  |  | - |  |  |  | 7.5 |  |  |  | - |
Non-deductible note receivable impairment |  |  | 0.8 |  |  |  | 3.2 |  |  |  | - |
Federal NOL deferred tax asset valuation allowance |  |  | 1.3 |  |  |  | - |  |  |  |
FIN 48 |  |  | (1.2 | ) |  |  | 0.3 |  |  |  | 0.1 |
Tax impact of Sustainable Energy Solutions impairment and deconsolidation |  |  | - |  |  |  | 11.1 |  |  |  | - |
Deferred state tax adjustment due to the Separation |  |  | - |  |  |  | 4.2 |  |  |  | - |
Other |  |  | 0.7 |  |  |  | (0.7 | ) |  |  | (2.0 | )
Effective tax rate attributable to controlling interest |  |  | 26.1 | % |  |  | 52.6 | % |  |  | 21.5 | %
The above effective tax rate attributable to controlling interest excludes any impact from the inclusion of net earnings attributable to noncontrolling interests in our consolidated statements of earnings. The effective tax rate upon inclusion of net earnings attributable to noncontrolling interests was 26.3% for fiscal 2025. Net earnings attributable to noncontrolling interests are primarily a result of our acquisition of Halo in fiscal 2024. The earnings attributable to the noncontrolling interests in Halo do not generate tax expense to us since the investors in Halo’s operations are taxed directly based on the earnings attributable to them.
Reconciliation of Unrecognized Tax Benefits | A tabular reconciliation of unrecognized tax benefits follows:
Balance at May 31, 2024 |  | $ | 3,467 |
Increases - tax positions taken in prior years |  |  | - |
Decreases - tax positions taken in prior years |  |  | (1,088 | )
Increases - current tax positions |  |  | - |
Settlements |  |  | - |
Lapse of statutes of limitations |  |  | (553 | )
Balance at May 31, 2025 |  | $ | 1,826 |
Approximately $1,670 of the liability for unrecognized tax benefits is expected to be settled in the next twelve months due to the expiration of statutes of limitations in various tax jurisdictions and as a result of expected settlements with various tax jurisdictions. While it is expected that the amount of unrecognized tax benefits will change in the next twelve months, any such change is not expected to have a material impact on our consolidated financial position, results of operations or cash flows. During the year, we filed an amended U.S. federal income tax return for fiscal year 2021 to carry back capital losses primarily generated as a result of the deconsolidation of our former Sustainable Energy Solutions segment. We have recognized an income tax receivable of approximately $15,374 related to the anticipated refund. Due to the size of the claim, the refund is subject to review by the Internal Revenue Service Joint Committee on Taxation.
Deferred Tax Assets and Liabilities | The components of our deferred tax assets and liabilities as of May 31 were as follows:
|  | 2025 |  |  | 2024 |
Deferred tax assets |  |  |  |  |  |
Accounts receivable |  | $ | 731 |  |  | $ | 850 |
Note receivable |  |  | 4,026 |  |  |  | 2,346 |
Inventories |  |  | 3,821 |  |  |  | 3,616 |
Accrued expenses |  |  | 14,926 |  |  |  | 13,238 |
NOL carry forwards |  |  | 5,562 |  |  |  | 5,497 |
Stock-based compensation |  |  | 3,694 |  |  |  | 3,508 |
Derivative contracts |  |  | 1,818 |  |  |  | 303 |
Operating lease - ROU liability |  |  | 3,663 |  |  |  | 4,595 |
Capital loss |  |  | - |  |  |  | 10,110 |
Other |  |  | 5,228 |  |  |  | 3,866 |
Total deferred tax assets |  |  | 43,469 |  |  |  | 47,929 |
Valuation allowance for deferred tax assets |  |  | (10,477 | ) |  |  | (7,083 | )
Net deferred tax assets |  |  | 32,992 |  |  |  | 40,846 |
Deferred tax liabilities |  |  |  |  |  |
Property, plant and equipment |  |  | (27,057 | ) |  |  | (28,770 | )
Intangibles |  |  | (67,076 | ) |  |  | (72,898 | )
Investment in affiliated companies, principally due to undistributed earnings |  |  | (17,069 | ) |  |  | (17,434 | )
Operating lease - ROU asset |  |  | (3,544 | ) |  |  | (4,613 | )
Other |  |  | (1,146 | ) |  |  | (1,281 | )
Total deferred tax liability |  |  | (115,892 | ) |  |  | (124,996 | )
Net deferred tax liability |  | $ | (82,900 | ) |  | $ | (84,150 | )
At May 31, 2025, we had tax benefits for federal NOL carry forwards of $1,636, with no expiration date, tax benefits for state net NOL carry forwards of $3,926 that expire from fiscal 2026 to fiscal 2044.

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