Acquisitions and divestitures	12 Months Ended
Jan. 31, 2026
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]
Acquisitions and divestitures	Acquisitions and divestitures Service Jewelry & Repair On July 11, 2023, the Company acquired certain assets of Service Jewelry & Repair, Inc. (“SJR”). SJR is a leader in jewelry and watch repair to both consumers and businesses. The total cash consideration was $6.0 million. The SJR acquisition was driven by Signet's initiatives to accelerate growth in its services offerings. Net assets acquired primarily consist of inventory and goodwill. UK Prestige Watch Business On October 18, 2023, the Company entered into an agreement to divest the operations and certain assets of the Company’s UK prestige watch business in the International reportable segment. The initial divestiture included the sale of 21 retail locations to a third party and was substantially completed in the fourth quarter of Fiscal 2024 for proceeds of $53.8 million and resulted in a pre-tax gain of $12.3 million recorded in other operating (expense) income, net in the consolidated statement of operations. In addition, the Company recorded $4.1 million and $2.6 million of charges related to the remaining divestiture of its prestige watch business during Fiscal 2026 and Fiscal 2025, respectively. The business did not meet the criteria to be classified as discontinued operations as the disposal did not represent a strategic shift that will have a major effect on the Company's operations.

Acquisitions and divestitures

12 Months Ended

Jan. 31, 2026

Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]

Acquisitions and divestitures

Service Jewelry & Repair

On July 11, 2023, the Company acquired certain assets of Service Jewelry & Repair, Inc. (“SJR”). SJR is a leader in jewelry and watch repair to both consumers and businesses. The total cash consideration was $6.0 million. The SJR acquisition was driven by Signet's initiatives to accelerate growth in its services offerings. Net assets acquired primarily consist of inventory and goodwill.

UK Prestige Watch Business

On October 18, 2023, the Company entered into an agreement to divest the operations and certain assets of the Company’s UK prestige watch business in the International reportable segment. The initial divestiture included the sale of 21 retail locations to a third party and was substantially completed in the fourth quarter of Fiscal 2024 for proceeds of $53.8 million and resulted in a pre-tax gain of $12.3 million recorded in other operating (expense) income, net in the consolidated statement of operations. In addition, the Company recorded $4.1 million and $2.6 million of charges related to the remaining divestiture of its prestige watch business during Fiscal 2026 and Fiscal 2025, respectively.

The business did not meet the criteria to be classified as discontinued operations as the disposal did not represent a strategic shift that will have a major effect on the Company's operations.