    <SEC-DOCUMENT>0000832988-21-000179-index.html : 20210803
    <SEC-HEADER>0000832988-21-000179.hdr.sgml : 20210803
    <ACCEPTANCE-DATETIME>20210803073615
    ACCESSION NUMBER:		0000832988-21-000179
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		14
    CONFORMED PERIOD OF REPORT:	20210728
    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:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20210803
    DATE AS OF CHANGE:		20210803

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SIGNET JEWELERS LTD
    		CENTRAL INDEX KEY:			0000832988
    		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-JEWELRY STORES [5944]
    		IRS NUMBER:				000000000
    		FISCAL YEAR END:			0201

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-32349
    		FILM NUMBER:		211137998

    	BUSINESS ADDRESS:
    		STREET 1:		CLARENDON HOUSE
    		STREET 2:		2 CHURCH STREET
    		CITY:			HAMILTON
    		STATE:			D0
    		ZIP:			HM11
    		BUSINESS PHONE:		44-207-317-9700

    	MAIL ADDRESS:
    		STREET 1:		C/O 15 GOLDEN SQUARE
    		CITY:			LONDON
    		STATE:			X0
    		ZIP:			W1F9JG

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	SIGNET GROUP PLC
    		DATE OF NAME CHANGE:	19931213

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	RATNERS GROUP PLC
    		DATE OF NAME CHANGE:	19931213
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>sig-20210728.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: sig-20210728.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.1
    <SEQUENCE>2
    <FILENAME>fy22ex1018x3x21secondamend.htm
    <DESCRIPTION>EX-10.1
    <TEXT>
    Document 2 - file: fy22ex1018x3x21secondamend.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>3
    <FILENAME>fy22ex9918x3x21pressrelease.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 3 - file: fy22ex9918x3x21pressrelease.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>4
    <FILENAME>sig-20210728.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 4 - file: sig-20210728.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>5
    <FILENAME>sig-20210728_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: sig-20210728_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>6
    <FILENAME>sig-20210728_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 6 - file: sig-20210728_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>7
    <FILENAME>sig-20210728_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 7 - file: sig-20210728_htm.html

    Document 7 - RAW XML: sig-20210728_htm.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>8
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 8 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>9
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 9 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>10
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 10 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>11
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 11 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 12 - file: FilingSummary.html

    Document 12 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>15
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>16
    <FILENAME>0000832988-21-000179-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 16 - file: 0000832988-21-000179-xbrl.zip

    </DOCUMENT>
    </SEC-DOCUMENT>