Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net earnings	$ 62,698	$ 47,447	$ 111,334	$ 93,467
Other comprehensive (loss) income:
Net unrealized gain (loss) on derivative instruments, net of tax	3,586	(6,179)	1,257	(5,174)
Pension funded status adjustment, net of tax	237	300	474	600
Foreign currency translation adjustment	(32,199)	(14,150)	(35,410)	(86,313)
Total other comprehensive loss, net of tax	(28,376)	(20,029)	(33,679)	(90,887)
Total comprehensive income	34,322	27,418	77,655	2,580
Comprehensive loss attributable to noncontrolling interests	(131)	(200)	(214)	(539)
Comprehensive income attributable to EnerSys stockholders	$ 34,453	$ 27,618	$ 77,869	$ 3,119

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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