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Restructuring and Other Exit Charges - (Additional Information) (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 25, 2026
USD ($)
Employee
Jul. 22, 2025
Employee
Jul. 05, 2026
USD ($)
Jun. 29, 2025
USD ($)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Mar. 31, 2023
USD ($)
Mar. 31, 2022
USD ($)
Mar. 31, 2021
USD ($)
Apr. 01, 2025
USD ($)
Jan. 01, 2023
Employee
Jun. 29, 2022
USD ($)
Employee
Restructuring Cost and Reserve [Line Items]                          
Severance costs     $ 664                    
Unusual manufacturing variance     2,464                    
Restructuring and other exit charges     10,708 $ 5,862                  
Employee Severance                          
Restructuring Cost and Reserve [Line Items]                          
Exit charges     10,105                    
Other restructuring costs     603                    
Restructuring and other exit charges     10,708                    
Closure Of Facility In Ooltewah, Tennessee                          
Restructuring Cost and Reserve [Line Items]                          
Expected additional restructuring charges                         $ 18,500
Number of positions eliminated | Employee                         165
Closure Of Facility In Ooltewah, Tennessee | Non Cash Charges                          
Restructuring Cost and Reserve [Line Items]                          
Expected additional restructuring charges               $ 7,261         $ 9,300
Closure Of Facility In Ooltewah, Tennessee | Inventories, Non Cash Charges                          
Restructuring Cost and Reserve [Line Items]                          
Expected additional restructuring charges               1,613          
Closure Of Facility In Ooltewah, Tennessee | Cash charges                          
Restructuring Cost and Reserve [Line Items]                          
Expected additional restructuring charges               2,735         $ 9,200
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property         $ 1,142                
Closure Of Facility In Ooltewah, Tennessee | Site Clean Up, Cash Charges                          
Restructuring Cost and Reserve [Line Items]                          
Other restructuring costs           $ 474 $ 4,399            
Closure of Facility in Hagen, Germany                          
Restructuring Cost and Reserve [Line Items]                          
Number of positions eliminated | Employee                       200  
Inventory write-down                 $ 960        
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down         1,187                
Closure of Facility in Hagen, Germany | Severance, Non Cash Charges                          
Restructuring Cost and Reserve [Line Items]                          
Other restructuring costs                 3,522 $ 7,946      
Closure of Facility in Hagen, Germany | Employee Severance                          
Restructuring Cost and Reserve [Line Items]                          
Other restructuring costs                 $ 8,069        
Closure of Facility in Hagen, Germany | Severance, Cash Charges                          
Restructuring Cost and Reserve [Line Items]                          
Other restructuring costs                   $ 23,331      
Closure of Facility in Hagen, Germany | Site Clean Up, Cash Charges                          
Restructuring Cost and Reserve [Line Items]                          
Other restructuring costs         2,432 3,625 2,118 2,207          
Closure of Facility in Hagen, Germany | Accelerated Depreciation, Non Cash Charges                          
Restructuring Cost and Reserve [Line Items]                          
Other restructuring costs         32 $ 598 $ 526 $ 562          
The Plan | Employee Severance                          
Restructuring Cost and Reserve [Line Items]                          
Estimated number of positions eliminated (as a percent)   0.11                      
Estimated number of positions eliminated | Employee   575                      
Flooded Motive Power Batteries                          
Restructuring Cost and Reserve [Line Items]                          
Expected additional restructuring charges                     $ 13,700    
Severance costs         5,182                
Unusual manufacturing variance         2,268                
Flooded Motive Power Batteries | Non Cash Charges                          
Restructuring Cost and Reserve [Line Items]                          
Expected additional restructuring charges                     1,500    
Flooded Motive Power Batteries | Employee Severance                          
Restructuring Cost and Reserve [Line Items]                          
Expected additional restructuring charges                     $ 12,200    
Lead Acid Batteries                          
Restructuring Cost and Reserve [Line Items]                          
Estimated number of positions eliminated | Employee 474                        
Expected additional restructuring charges $ 37,000                        
Severance costs         10,969                
Retention costs     237                    
Restructuring and Related Cost, Accelerated Depreciation     3,284                    
Lead Acid Batteries | Fixed Asset Write Off, Non-Cash Charges                          
Restructuring Cost and Reserve [Line Items]                          
Expected additional restructuring charges 14,000                        
Lead Acid Batteries | Cash charges                          
Restructuring Cost and Reserve [Line Items]                          
Expected additional restructuring charges $ 23,000                        
Sao Paulo Facility Closure                          
Restructuring Cost and Reserve [Line Items]                          
Estimated number of positions eliminated | Employee 141                        
Expected additional restructuring charges $ 7,500                        
Severance costs         2,984                
Contract termination costs     2,369                    
Sao Paulo Facility Closure | Cash charges                          
Restructuring Cost and Reserve [Line Items]                          
Expected additional restructuring charges $ 4,500                        
Sao Paulo Facility Closure | ROU And Fixed Asset Impairment, Non-Cash Charges                          
Restructuring Cost and Reserve [Line Items]                          
Restructuring and other exit charges         $ 1,767                
Network & Infrastructure Solutions | Employee Severance                          
Restructuring Cost and Reserve [Line Items]                          
Exit charges     5,793                    
Other restructuring costs     418                    
Restructuring and other exit charges     6,211                    
Network & Infrastructure Solutions | The Plan | Employee Severance                          
Restructuring Cost and Reserve [Line Items]                          
Severance costs     21,651                    
Industrial Mobility Solutions | Employee Severance                          
Restructuring Cost and Reserve [Line Items]                          
Exit charges     4,312                    
Other restructuring costs     186                    
Restructuring and other exit charges     4,498                    
Precision Power Solutions | Employee Severance                          
Restructuring Cost and Reserve [Line Items]                          
Exit charges     0                    
Other restructuring costs     (1)                    
Restructuring and other exit charges     $ (1)