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Goodwill and Other Intangible Assets | 12 Months Ended
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Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Other Intangible Assets | Goodwill and Other Intangible Assets Other Intangible Assets Information regarding the Company’s other intangible assets are as follows:
|  | March 31,
|  | 2025 |  | 2024
|  | Gross Amount |  | Accumulated Amortization |  | Net Amount |  | Gross Amount |  | Accumulated Amortization |  | Net Amount
Indefinite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
Trademarks |  | $ | 129,210 |  |  | $ | (953) |  |  | $ | 128,257 |  |  | $ | 131,167 |  |  | $ | (953) |  |  | $ | 130,214 |
Finite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships |  | 356,800 |  |  | (168,932) |  |  | 187,868 |  |  | 295,215 |  |  | (147,833) |  |  | 147,382 |
Non-compete |  | 2,825 |  |  | (2,825) |  |  | — |  |  | 2,825 |  |  | (2,825) |  |  | — |
Technology |  | 119,645 |  |  | (65,160) |  |  | 54,485 |  |  | 96,708 |  |  | (55,969) |  |  | 40,739 |
Trademarks |  | 14,815 |  |  | (9,995) |  |  | 4,820 |  |  | 9,554 |  |  | (8,482) |  |  | 1,072 |
Licenses |  | 1,196 |  |  | (1,196) |  |  | — |  |  | 1,196 |  |  | (1,196) |  |  | — |
Total |  | $ | 624,491 |  |  | $ | (249,061) |  |  | $ | 375,430 |  |  | $ | 536,665 |  |  | $ | (217,258) |  |  | $ | 319,407 |
The Company’s amortization expense related to finite-lived intangible assets was $31,805, $27,993, and $30,748, for the years ended March 31, 2025, 2024 and 2023, respectively. The expected amortization expense based on the finite-lived intangible assets as of March 31, 2025, is $33,371 in fiscal 2026, $32,668 in fiscal 2027, $32,176 in fiscal 2028, $30,308 in fiscal 2029 and $25,202 in fiscal 2030. Goodwill The following table presents the changes in the carrying amount of goodwill by segment during fiscal 2024 and 2025:
|  | Energy Systems |  | Motive Power |  | Specialty |  |  |  |  |  |  |  | Total
Balance at March 31, 2023 |  | $ | 258,204 |  |  | $ | 321,530 |  |  | $ | 96,981 |  |  |  |  |  |  |  |  | $ | 676,715 |
Acquisitions |  | — |  |  | 4,390 |  |  | — |  |  |  |  |  |  |  |  | 4,390 |
Foreign currency translation adjustment |  | 807 |  |  | 798 |  |  | 224 |  |  |  |  |  |  |  |  | 1,829 |
Balance at March 31, 2024 |  | $ | 259,011 |  |  | $ | 326,718 |  |  | $ | 97,205 |  |  |  |  |  |  |  |  | $ | 682,934 |
Acquisitions |  | — |  |  | — |  |  | 50,821 |  |  |  |  |  |  |  |  | 50,821 |
Foreign currency translation adjustment |  | (13,264) |  |  | 328 |  |  | 254 |  |  |  |  |  |  |  |  | (12,682) |
Balance at March 31, 2025 |  | $ | 245,747 |  |  | $ | 327,046 |  |  | $ | 148,280 |  |  |  |  |  |  |  |  | $ | 721,073 |
Impairment of goodwill, finite and indefinite-lived intangibles Goodwill is tested annually for impairment during the fourth quarter or earlier upon the occurrence of certain events or substantive changes in circumstances that indicate goodwill is more likely than not impaired. The Company did not record any impairment relating to its goodwill during fiscal 2024, 2023, and 2022. During fiscal year 2025, there were no non-cash charges related to impairment of indefinite-lived trademarks under the caption “Impairment of indefinite-lived intangibles” in the Consolidated Statements of Income. During the fiscal year 2024, the Company recorded non-cash charges of $13,619, related to impairment of indefinite-lived trademarks under the caption “Impairment of indefinite-lived intangibles” in the Consolidated Statements of Income. Management completed its evaluation of key inputs used to estimate the fair value of its indefinite-lived trademarks and determined that an impairment charge was appropriate. The Company estimated tax-deductible goodwill to be approximately $122,904 and $78,147 as of March 31, 2025 and 2024, respectively.

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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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