Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Jul. 05, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net earnings	$ 35,183	$ 48,636
Other comprehensive income (loss):
Net unrealized gain (loss) on derivative instruments, net of tax	2,343	(2,329)
Pension funded status adjustment, net of tax	291	237
Foreign currency translation adjustment	28,147	(3,211)
Total other comprehensive income (loss), net of tax	30,781	(5,303)
Total comprehensive income	65,964	43,333
Comprehensive gain (loss) attributable to noncontrolling interests	8	(83)
Comprehensive income attributable to EnerSys stockholders	$ 65,956	$ 43,416