    <SEC-DOCUMENT>0001193125-21-090491-index.html : 20210323
    <SEC-HEADER>0001193125-21-090491.hdr.sgml : 20210323
    <ACCEPTANCE-DATETIME>20210323083459
    ACCESSION NUMBER:		0001193125-21-090491
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		18
    CONFORMED PERIOD OF REPORT:	20210319
    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:		20210323
    DATE AS OF CHANGE:		20210323

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			STERIS plc
    		CENTRAL INDEX KEY:			0001757898
    		STANDARD INDUSTRIAL CLASSIFICATION:	ORTHOPEDIC, PROSTHETIC & SURGICAL APPLIANCES & SUPPLIES [3842]
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			L2
    		FISCAL YEAR END:			0331

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-38848
    		FILM NUMBER:		21763237

    	BUSINESS ADDRESS:
    		STREET 1:		70 SIR JOHN ROGERSON'S QUAY
    		CITY:			DUBLIN
    		STATE:			L2
    		ZIP:			2
    		BUSINESS PHONE:		35312322000

    	MAIL ADDRESS:
    		STREET 1:		70 SIR JOHN ROGERSON'S QUAY
    		CITY:			DUBLIN
    		STATE:			L2
    		ZIP:			2

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	STERIS Ltd
    		DATE OF NAME CHANGE:	20181101
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>d164871d8k.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: d164871d8k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.1
    <SEQUENCE>2
    <FILENAME>d164871dex101.htm
    <DESCRIPTION>EX-10.1
    <TEXT>
    Document 2 - file: d164871dex101.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.2
    <SEQUENCE>3
    <FILENAME>d164871dex102.htm
    <DESCRIPTION>EX-10.2
    <TEXT>
    Document 3 - file: d164871dex102.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.3
    <SEQUENCE>4
    <FILENAME>d164871dex103.htm
    <DESCRIPTION>EX-10.3
    <TEXT>
    Document 4 - file: d164871dex103.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.4
    <SEQUENCE>5
    <FILENAME>d164871dex104.htm
    <DESCRIPTION>EX-10.4
    <TEXT>
    Document 5 - file: d164871dex104.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.5
    <SEQUENCE>6
    <FILENAME>d164871dex105.htm
    <DESCRIPTION>EX-10.5
    <TEXT>
    Document 6 - file: d164871dex105.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.6
    <SEQUENCE>7
    <FILENAME>d164871dex106.htm
    <DESCRIPTION>EX-10.6
    <TEXT>
    Document 7 - file: d164871dex106.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>8
    <FILENAME>ste-20210319.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
    <TEXT>
    Document 8 - file: ste-20210319.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>9
    <FILENAME>ste-20210319_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
    <TEXT>
    Document 9 - file: ste-20210319_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>10
    <FILENAME>ste-20210319_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
    <TEXT>
    Document 10 - file: ste-20210319_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>11
    <FILENAME>d164871d8k_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 11 - file: d164871d8k_htm.html

    Document 11 - RAW XML: d164871d8k_htm.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 12 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>13
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 13 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>14
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>15
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>16
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 16 - file: FilingSummary.html

    Document 16 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>18
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 18 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>19
    <FILENAME>0001193125-21-090491-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 19 - file: 0001193125-21-090491-xbrl.zip

    </DOCUMENT>
    </SEC-DOCUMENT>