    <SEC-DOCUMENT>0001289308-22-000065-index.html : 20220908
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    <ACCEPTANCE-DATETIME>20220908162236
    ACCESSION NUMBER:		0001289308-22-000065
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		13
    CONFORMED PERIOD OF REPORT:	20220908
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20220908
    DATE AS OF CHANGE:		20220908

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			EnerSys
    		CENTRAL INDEX KEY:			0001289308
    		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
    		IRS NUMBER:				233058564
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			0331

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-32253
    		FILM NUMBER:		221234077

    	BUSINESS ADDRESS:
    		STREET 1:		2366 BERNVILLE ROAD
    		CITY:			READING
    		STATE:			PA
    		ZIP:			19605
    		BUSINESS PHONE:		(610) 208-1600

    	MAIL ADDRESS:
    		STREET 1:		2366 BERNVILLE ROAD
    		CITY:			READING
    		STATE:			PA
    		ZIP:			19605
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>ens-20220908.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: ens-20220908.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.1
    <SEQUENCE>2
    <FILENAME>exhibit101-enersysxthirdam.htm
    <DESCRIPTION>EX-10.1
    <TEXT>
    Document 2 - file: exhibit101-enersysxthirdam.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>3
    <FILENAME>ens-20220908.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 3 - file: ens-20220908.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>4
    <FILENAME>ens-20220908_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 4 - file: ens-20220908_lab.xml

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    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>5
    <FILENAME>ens-20220908_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: ens-20220908_pre.xml

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>6
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 6 - file: R1.htm

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>7
    <FILENAME>ens-20220908_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 7 - file: ens-20220908_htm.html

    Document 7 - RAW XML: ens-20220908_htm.xml

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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>8
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 8 - file: Financial_Report.xlsx

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>9
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 9 - file: Show.js

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>10
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>11
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 11 - file: FilingSummary.html

    Document 11 - RAW XML: FilingSummary.xml

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    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>13
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 13 - file: MetaLinks.json

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    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>14
    <FILENAME>0001289308-22-000065-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: 0001289308-22-000065-xbrl.zip

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