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Restructuring Plans - (Additional Information) (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Sep. 30, 2018 USD ($) Employee	Oct. 01, 2017 USD ($)	Sep. 30, 2018 USD ($)	Oct. 01, 2017 USD ($)	Mar. 31, 2018 USD ($) Employee	Mar. 31, 2017 USD ($) Employee
Restructuring Cost and Reserve [Line Items]
Write-off of assets relating to exit activities			$ 1,073	$ 210
Restructuring and other exit (credits)	$ 1,121	$ 1,776	2,860	$ 2,609
Restructuring costs incurred			2,243
Restructuring reserve	2,835		2,835		$ 2,909
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			1,021		2,403	$ 749
Restructuring reserve	675		675
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)			2,176
Restructuring costs incurred			879		$ 1,350
Restructuring reserve	2,159		2,159
Expected additional restructuring charges	3,100		3,100
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			200
Restructuring and other exit (credits)			23
Restructuring costs incurred			22
Restructuring reserve	1		1
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	$ 960
Expected reduction in number of employees | Employee	60
Restructuring and other exit (credits)					960
Restructuring costs incurred			207		$ 755
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

X

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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