v3.26.1
Document and Entity Information
Sep. 04, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date Sep. 04, 2026
Entity Registrant Name SIGNET JEWELERS LIMITED
Entity File Number 1-32349
Entity Incorporation, State or Country Code D0
Entity Address, Address Line One Richmond House
Entity Address, Address Line Two 12 Par-la-Ville Road
Entity Address, City or Town Hamilton
Entity Address, Postal Zip Code HM 08
Entity Address, Country BM
City Area Code 441
Local Phone Number 295 5950
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Shares of $0.18 each
Trading Symbol SIG
Security Exchange Name NYSE
Entity Emerging Growth Company false
Entity Central Index Key 0000832988
Amendment Flag false