v3.26.1
Business Segments (Tables)
 12 Months Ended
Mar. 31, 2026
Segment Reporting [Abstract]  
Summary Of Financial Information Related To The Company's Business Segments
Summarized financial information related to the Company’s reportable segments at March 31, 2026, 2025 and 2024 and for each of the fiscal years then ended is shown below.

Twelve months ended
March 31, 2026
Energy SystemsMotive PowerSpecialty
Corporate and other (3)
Total
Net Sales by segment to unaffiliated customers (1)
$1,651,186 $1,430,931 $665,087 $4,172 $3,751,376 
Less:
Other segment items(4)
$1,505,747 $1,231,124 $603,062 $3,344,105 
Segment income$145,439 $199,807 $62,025 $407,271 
Less:
Inventory adjustment relating to exit activities— 2,268 — 2,268 
Restructuring and other exit charges 23,467 23,930 3,411 50,808 
(Gain) loss on assets held for sale— (1,187)— (1,187)
Impairment of intangible assets402 — — 402 
Amortization of intangible assets23,354 492 9,596 33,442 
Accelerated stock compensation 5,383 3,532 1,844 10,759 
Other7,468 3,844 5,729 17,041 
Total operating earnings (2)
$85,365 $166,928 $41,445 $132,722 $426,460 
Depreciation $31,207 $27,092 $21,717 $100 $80,116 
Capital Expenditures$33,429 $21,046 $23,526 $2,073 $80,074 
(1)Reportable segments do not record inter-segment revenues and accordingly there are none to report.
(2)The Company does not allocate interest expense or other (income) expense, net, to the reportable segments.
(3)     Corporate and other includes amounts managed on a company-wide basis and not directly allocated to any reportable segments, primarily relating to IRC 45X production tax credits. Also, included are start-up costs for exploration of a new lithium plant, and start-up operating expenses from the New Ventures operating segment.
(4) Primarily includes cost of sales and operating expenses.
Twelve months ended
March 31, 2025
Energy SystemsMotive PowerSpecialty
Corporate and other (3)
Total
Net Sales by segment to unaffiliated customers (1)
$1,531,169 $1,484,117 $593,488 $8,805 $3,617,579 
Less:
Other segment items(4)
$1,427,963 $1,251,362 $556,534 $3,244,664 
Segment income$103,206 $232,755 $36,954 $372,915 
Less:
Inventory adjustment relating to exit activities274 — 3,335 3,609 
Restructuring and other exit charges 5,994 5,719 2,715 14,428 
Loss on assets held for sale— 4,634 — 4,634 
Amortization of intangible assets23,620 685 7,500 31,805 
Other588 1,585 6,672 8,845 
Total operating earnings (2)
$72,730 $220,132 $16,732 $155,092 $464,686 
Depreciation $26,823 $23,010 $19,206 $32 $69,071 
Capital Expenditures$39,167 $22,758 $47,016 $12,097 $121,038 

(1)Reportable segments do not record inter-segment revenues and accordingly there are none to report.
(2)The Company does not allocate interest expense or other (income) expense, net, to the reportable segments.
(3)     Corporate and other includes amounts managed on a company-wide basis and not directly allocated to any reportable segments, primarily relating to IRC 45X production tax credits. Also, included are start-up costs for exploration of a new lithium plant, and start-up operating expenses from the New Ventures operating segment.
(4) Primarily includes cost of sales and operating expenses.
Twelve months ended
March 31, 2024
Energy SystemsMotive PowerSpecialty
Corporate and other (3)
Total
Net Sales by segment to unaffiliated customers (1)
$1,590,023 $1,456,181 $535,667 $— $3,581,871 
Less:
Other segment items(4)
$1,503,068 $1,241,531 $504,301 $3,248,900 
Segment income$86,955 $214,650 $31,366 $332,971 
Less:
Inventory adjustment relating to exit activities17,075 — 3,098 20,173 
Restructuring and other exit charges 8,840 11,697 7,566 28,103 
Impairment of indefinite-lived intangibles13,619 — — 13,619 
Legal proceedings charge, net3,705 — — 3,705 
Amortization of intangible assets24,503 683 2,808 27,994 
Other3,740 1,032 295 5,067 
Total operating earnings (2)
$15,473 $201,238 $17,599 $117,260 $351,570 
Depreciation$24,966 $23,007 $15,954 $101 $64,028 
Capital Expenditures$33,626 $17,115 $35,596 $100 $86,437 
(1)Reportable segments do not record inter-segment revenues and accordingly there are none to report.
(2)The Company does not allocate interest expense or other (income) expense, net, to the reportable segments.
(3)     Corporate and other includes amounts managed on a company-wide basis and not directly allocated to any reportable segments, primarily relating to IRC 45X production tax credits. Also, included are start-up costs for exploration of a new lithium plant, and start-up operating expenses from the New Ventures operating segment.
(4) Primarily includes cost of sales and operating expenses.
The Company's property, plant and equipment by reportable segments as of March 31, 2026 and 2025 are as follows:

March 31, 2026March 31, 2025
Property, plant and equipment, net
Energy Systems$143,634 $198,841 
Motive Power110,750 144,076 
Specialty324,584 236,861 
Other 14,034 12,655 
Total$593,002 $592,433