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Restructuring Plans - (Additional Information) (Details)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Dec. 30, 2018
USD ($)
Sep. 30, 2018
USD ($)
Employee
Dec. 31, 2017
USD ($)
Dec. 30, 2018
USD ($)
Employee
Dec. 31, 2017
USD ($)
Mar. 31, 2018
USD ($)
Employee
Mar. 31, 2017
USD ($)
Employee
Restructuring Cost and Reserve [Line Items]              
Write-off of assets relating to exit activities       $ 4,498 $ 210    
Restructuring and other exit (credits) $ 5,392   $ 1,808 8,252 $ 4,417    
Restructuring costs incurred       4,473      
Restructuring reserve 2,433     2,433   $ 2,909  
Restructuring Related To Sale Of Geräte- und Akkumulatorenwerk Zwickau GmbH              
Restructuring Cost and Reserve [Line Items]              
Restructuring and other exit (credits) 3,521            
EMEA | Restructurings Related to Improving Efficiency Related to Motive Power Assembly and Distribution Center              
Restructuring Cost and Reserve [Line Items]              
Write-off of assets relating to exit activities             $ 4,700
Expected reduction in number of employees | Employee             45
Restructuring and other exit (credits)           1,610 $ 3,104
Restructuring costs incurred       1,414   2,403 $ 749
Restructuring reserve 270     270      
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           $ 7,700  
Expected reduction in number of employees | Employee           75  
Restructuring and other exit (credits)       2,971      
Restructuring costs incurred       1,730   $ 1,350  
Restructuring reserve 2,072     2,072      
Expected additional restructuring charges 2,300     2,300      
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)           2,260  
EMEA | 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       $ 150      
Expected reduction in number of employees | Employee       2      
Restructuring and other exit (credits)       $ 121      
Restructuring costs incurred       34      
Restructuring reserve 87     87      
Americas | Restructurings Related to Improving Efficiencies of General Operations in the Americas, 2018 Plan              
Restructuring Cost and Reserve [Line Items]              
Write-off of assets relating to exit activities   $ 960          
Expected reduction in number of employees | Employee   60          
Restructuring and other exit (credits)           960  
Restructuring costs incurred       207   $ 755  
Americas | Restructurings Related to Improving Efficiencies of Operations in the Americas, 2019 Plan              
Restructuring Cost and Reserve [Line Items]              
Write-off of assets relating to exit activities       $ 630      
Expected reduction in number of employees | Employee       15      
Restructuring and other exit (credits)       $ 626      
Restructuring costs incurred       626      
Restructuring reserve 0     0      
Asia | Restructuring Program to Improve Efficiencies of Operations in Asia and Conversion of India Operations              
Restructuring Cost and Reserve [Line Items]              
Write-off of assets relating to exit activities       $ 3,600      
Expected reduction in number of employees | Employee       150      
Restructuring and other exit (credits)       $ 466      
Restructuring costs incurred       462      
Restructuring reserve $ 4     4      
Asia | Restructuring Related to Improving Profitability in India              
Restructuring Cost and Reserve [Line Items]              
Write-off of assets relating to exit activities       547      
Restructuring and other exit (credits)       114      
Cost of Sales | Asia | Restructuring Related to Improving Profitability in India | Non-cash charges              
Restructuring Cost and Reserve [Line Items]              
Restructuring and other exit (credits)       $ 526