Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Dec. 30, 2018	Dec. 31, 2017	Dec. 30, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 48,614	$ (25,779)	$ 142,081	$ 65,694
Other comprehensive (loss) income:
Net unrealized (loss) gain on derivative instruments, net of tax	4,732	(587)	(442)	29
Pension funded status adjustment, net of tax	204	331	804	996
Foreign currency translation adjustment	(15,777)	14,053	(102,090)	86,901
Total other comprehensive (loss) gain, net of tax	(10,841)	13,797	(101,728)	87,926
Total comprehensive income (loss)	37,773	(11,982)	40,353	153,620
Comprehensive (loss) income attributable to noncontrolling interests	281	156	(258)	237
Comprehensive income (loss) attributable to EnerSys stockholders	$ 37,492	$ (12,138)	$ 40,611	$ 153,383

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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