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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 |  |  |

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