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Restructuring Plans - (Additional Information) (Details)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Sep. 30, 2019
USD ($)
Dec. 30, 2018
USD ($)
Dec. 31, 2019
USD ($)
Employee
Dec. 30, 2018
USD ($)
Mar. 31, 2019
USD ($)
Employee
Mar. 31, 2018
USD ($)
Employee
Restructuring Cost and Reserve [Line Items]                
Write-off of assets relating to exit activities and other         $ 10,024 $ 4,498    
Restructuring and other exit (credits) $ 9,417     $ 5,392 18,071 8,252    
Restructuring costs incurred         7,064      
Restructuring reserve 5,317 $ 5,317     5,317   $ 2,952  
EMEA                
Restructuring Cost and Reserve [Line Items]                
Restructuring and other exit (credits) 7,706     4,411 9,032 6,610    
EMEA | Restructurings Related to Improving Efficiency Related to Supply Chain and General Operations                
Restructuring Cost and Reserve [Line Items]                
Write-off of assets relating to exit activities and other               $ 7,500
Expected reduction in number of employees | Employee               80
Restructuring and other exit (credits)         711      
Restructuring costs incurred         594   2,844 $ 1,350
Restructuring reserve 1,173 1,173     1,173      
Expected additional restructuring charges 1,300 1,300     1,300      
EMEA | Restructurings Related to Improving Efficiency Related to Supply Chain and General Operations | Non-cash charges                
Restructuring Cost and Reserve [Line Items]                
Restructuring and other exit (credits)               69
EMEA | Restructurings Related to Improving Efficiency Related to Supply Chain and General Operations | Cash charges                
Restructuring Cost and Reserve [Line Items]                
Restructuring and other exit (credits)             3,104 $ 2,260
EMEA | Restructurings Related to Improving Efficiencies of General Operations in the Americas                
Restructuring Cost and Reserve [Line Items]                
Write-off of assets relating to exit activities and other             $ 2,500  
Expected reduction in number of employees | Employee             35  
Restructuring and other exit (credits)             $ 347  
Restructuring costs incurred         687   83  
Restructuring reserve 78 78     78      
EMEA | Restructurings Related to Improving Efficiencies of General Operations in the Americas | Non-cash charges                
Restructuring Cost and Reserve [Line Items]                
Restructuring and other exit (credits)         507      
EMEA | Restructurings Related to Improving Efficiencies of General Operations in EMEA                
Restructuring Cost and Reserve [Line Items]                
Write-off of assets relating to exit activities and other         $ 5,500      
Expected reduction in number of employees | Employee         25      
Restructuring and other exit (credits)         $ 4,843      
Restructuring costs incurred         1,487      
Restructuring reserve 3,321 3,321     3,321      
Americas                
Restructuring Cost and Reserve [Line Items]                
Restructuring and other exit (credits) 1,322     628 2,448 628    
Americas | Restructurings Related to Improving Efficiencies of General Operations in the Americas                
Restructuring Cost and Reserve [Line Items]                
Write-off of assets relating to exit activities and other             $ 4,100  
Expected reduction in number of employees | Employee             85  
Restructuring and other exit (credits)             $ 1,970  
Restructuring costs incurred         479   1,480  
Restructuring reserve 11 11     11      
Americas | Restructurings Related to Improving Efficiencies of General Operations in the Americas | Non-cash charges                
Restructuring Cost and Reserve [Line Items]                
Restructuring and other exit (credits)             2,095  
Americas | Second Restructuring Related to Improving Efficiencies of General Operations                
Restructuring Cost and Reserve [Line Items]                
Write-off of assets relating to exit activities and other         $ 2,900      
Expected reduction in number of employees | Employee         50      
Restructuring and other exit (credits)         $ 2,451      
Restructuring costs incurred         1,720      
Restructuring reserve 731 731     731      
Asia                
Restructuring Cost and Reserve [Line Items]                
Restructuring and other exit (credits) 389     $ 353 1,150 1,014    
Asia | Restructurings Related to Improving Efficiencies of Reserve Power Operations in EMEA                
Restructuring Cost and Reserve [Line Items]                
Write-off of assets relating to exit activities and other             $ 4,400  
Expected reduction in number of employees | Employee             160  
Restructuring and other exit (credits)         714   $ 2,772  
Restructuring costs incurred         1,847   1,683  
Restructuring reserve 3 3     3      
Asia | Restructurings Related to Improving Efficiencies of Reserve Power Operations in EMEA | Non-cash charges                
Restructuring Cost and Reserve [Line Items]                
Restructuring and other exit (credits)         130   771  
Asia | Restructurings Related to Improving Efficiencies of Operations in Asia                
Restructuring Cost and Reserve [Line Items]                
Write-off of assets relating to exit activities and other         $ 600      
Expected reduction in number of employees | Employee         30      
Restructuring and other exit (credits)         $ 250      
Restructuring costs incurred         250      
Restructuring reserve 0 0     0      
Asia | Restructurings Related to Improving Efficiencies of Operations in Asia | Non-cash charges                
Restructuring Cost and Reserve [Line Items]                
Restructuring and other exit (credits)         55      
Asia | Restructuring Related to Improving Profitability in India | Non-cash charges                
Restructuring Cost and Reserve [Line Items]                
Restructuring and other exit (credits)           $ 526    
Closure Of Facility In Targovishte Bulgaria                
Restructuring Cost and Reserve [Line Items]                
Restructuring and other exit (credits)         3,576   20,242  
Expected remaining cost             $ 30,000  
Strategy To Exit Manufacture Of Batteries For Diesel-Electric Submarines                
Restructuring Cost and Reserve [Line Items]                
Proceeds from Sale of Productive Assets     $ 2,031          
Gain (Loss) on Disposition of Assets     892          
Fixed Asset Write-Off, Kentucky And Tennessee Plants                
Restructuring Cost and Reserve [Line Items]                
Restructuring and other exit (credits)     $ 5,441          
Richmond Kentucky Battery Formation Area Fire                
Restructuring Cost and Reserve [Line Items]                
Restructuring and other exit (credits)   10,030            
Expected additional restructuring charges 50,000 50,000     50,000      
Prepaid Insurance $ 12,000 $ 12,000     $ 12,000