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Goodwill and Other Intangible Assets
 12 Months Ended
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,
 20252024
 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 relationships356,800 (168,932)187,868 295,215 (147,833)147,382 
Non-compete2,825 (2,825)— 2,825 (2,825)— 
Technology119,645 (65,160)54,485 96,708 (55,969)40,739 
Trademarks14,815 (9,995)4,820 9,554 (8,482)1,072 
Licenses1,196 (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 SystemsMotive PowerSpecialtyTotal
Balance at March 31, 2023$258,204 $321,530 $96,981 $676,715 
Acquisitions— 4,390 — 4,390 
Foreign currency translation adjustment807 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.