v3.26.1
Restructuring, Exit and Other Charges - Acquisition and Non-Acquisition Related Restructuring Reserve (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Restructuring Cost and Reserve [Line Items]      
Restructuring charges $ 25,137 $ 6,974 $ 8,006
Exit charges 25,800 7,454 20,097
Restructuring and other exit charges 50,937 14,428 28,103
Restructuring Reserve [Roll Forward]      
Beginning balance 1,079 2,408 445
Accrued 25,137 6,974 8,006
Costs incurred (20,371) (8,292) (6,064)
Foreign currency impact and other 59 (11) 21
Ending balance $ 5,904 $ 1,079 $ 2,408
Accrued Restructuring Incurred Cost Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag Accrued Accrued Accrued
Corporate Other      
Restructuring Cost and Reserve [Line Items]      
Restructuring charges $ 129 $ 0 $ 0
Exit charges 0 0 0
Restructuring and other exit charges 129 0 0
Restructuring Reserve [Roll Forward]      
Accrued 129 0 0
Energy Systems | Operating Segments      
Restructuring Cost and Reserve [Line Items]      
Restructuring charges 9,649 5,001 4,526
Exit charges 13,818 993 4,312
Restructuring and other exit charges 23,467 5,994 8,838
Restructuring Reserve [Roll Forward]      
Accrued 9,649 5,001 4,526
Motive Power | Operating Segments      
Restructuring Cost and Reserve [Line Items]      
Restructuring charges 12,665 1,575 3,445
Exit charges 11,265 4,144 8,253
Restructuring and other exit charges 23,930 5,719 11,698
Restructuring Reserve [Roll Forward]      
Accrued 12,665 1,575 3,445
Specialty | Operating Segments      
Restructuring Cost and Reserve [Line Items]      
Restructuring charges 2,694 398 35
Exit charges 717 2,317 7,532
Restructuring and other exit charges 3,411 2,715 7,567
Restructuring Reserve [Roll Forward]      
Accrued $ 2,694 $ 398 $ 35