Consolidated Condensed Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Jan. 01, 2023	Dec. 31, 2023	Jan. 01, 2023
Statement of Comprehensive Income [Abstract]
Net earnings	$ 76,158	$ 44,410	$ 208,184	$ 109,860
Other comprehensive income (loss):
Net unrealized gain (loss) on derivative instruments, net of tax	(6,722)	10,806	(2,441)	4,688
Pension funded status adjustment, net of tax	21	84	62	254
Foreign currency translation adjustment	33,356	60,565	3,694	(47,830)
Total other comprehensive income (loss), net of tax	26,655	71,455	1,315	(42,888)
Total comprehensive income (loss)	102,813	115,865	209,499	66,972
Comprehensive income (loss) attributable to noncontrolling interests	98	109	(109)	(315)
Comprehensive income (loss) attributable to EnerSys stockholders	$ 102,715	$ 115,756	$ 209,608	$ 67,287