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Business Segments - Schedule of Financial Information by Reportable Segment (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020
Segment Reporting Information [Line Items] |  |  |
Net sales | $ 3,357,319 | $ 2,977,932 | $ 3,087,868
Operating earnings | 206,251 | 216,375 | 190,195
Inventory step up to fair value relating to acquisitions | (2,604) | 0 | (1,854)
Restructuring and other exit charges | (18,756) | (40,374) | (20,766)
Impairment of goodwill | 0 | 0 | (39,713)
Impairment of indefinite-lived intangibles | (1,178) | 0 | (4,549)
Loss on assets held for sale - Motive Power | (2,973) | 0 | 0
Capital Expenditures | 74,041 | 70,020 | 101,425
Depreciation and amortization | 95,878 | 94,082 | 87,344
Property, plant, and equipment, net | 503,264 | 497,056 |
Energy Systems |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 1,536,673 | 1,380,278 | 1,357,475
Operating earnings | 18,531 | 67,060 | 67,809
Inventory step up to fair value relating to acquisitions | (186) | 0 | (304)
Restructuring and other exit charges | (2,713) | (3,187) | (7,284)
Impairment of indefinite-lived intangibles | (501) | 0 | (1,297)
Capital Expenditures | 33,614 | 34,826 | 40,768
Depreciation and amortization | 54,580 | 57,864 | 53,793
Property, plant, and equipment, net | 216,853 | 224,513 |
Energy Systems | Fixed Asset Write-Off |  |  |
Segment Reporting Information [Line Items] |  |  |
Restructuring and other exit charges | 0 | 0 | (50)
Motive Power |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 1,361,254 | 1,163,710 | 1,348,193
Operating earnings | 169,740 | 143,541 | 146,814
Inventory adjustment relating to exit activities - Motive | (2,418) | 0 | 0
Restructuring and other exit charges | (17,059) | (36,798) | (2,021)
Impairment of indefinite-lived intangibles | (677) | 0 | (2,861)
Loss on assets held for sale - Motive Power | (2,973) | 0 | 0
Capital Expenditures | 13,887 | 14,154 | 22,285
Depreciation and amortization | 24,918 | 21,706 | 20,900
Property, plant, and equipment, net | 145,431 | 152,468 |
Motive Power | Fixed Asset Write-Off |  |  |
Segment Reporting Information [Line Items] |  |  |
Restructuring and other exit charges | 0 | 0 | (5,380)
Specialty |  |  |
Segment Reporting Information [Line Items] |  |  |
Net sales | 459,392 | 433,944 | 382,200
Operating earnings | 43,491 | 46,148 | 42,454
Inventory step up to fair value relating to acquisitions | 0 | 0 | (1,550)
Restructuring and other exit charges | 1,016 | (389) | (6,020)
Impairment of indefinite-lived intangibles | 0 | 0 | (391)
Capital Expenditures | 26,540 | 21,040 | 38,372
Depreciation and amortization | 16,380 | 14,512 | 12,651
Property, plant, and equipment, net | 140,980 | 120,075 |
Specialty | Fixed Asset Write-Off |  |  |
Segment Reporting Information [Line Items] |  |  |
Restructuring and other exit charges | $ 0 | $ 0 | $ (11)

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