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Goodwill and Other Intangible Assets - (Goodwill) (Details) $ in Thousands	3 Months Ended
	Jul. 04, 2021 USD ($)
Goodwill [Line Items]
Balance at March 31, 2021	$ 705,593
Foreign currency translation adjustment	7,284
Balance as of July 4, 2021	712,877
Energy Systems
Goodwill [Line Items]
Balance at March 31, 2021	279,676
Foreign currency translation adjustment	5,788
Balance as of July 4, 2021	285,464
Motive Power
Goodwill [Line Items]
Balance at March 31, 2021	327,055
Foreign currency translation adjustment	1,300
Balance as of July 4, 2021	328,355
Specialty
Goodwill [Line Items]
Balance at March 31, 2021	98,862
Foreign currency translation adjustment	196
Balance as of July 4, 2021	$ 99,058

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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