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Share-based compensation
9 Months Ended
Oct. 30, 2021
Share-based Payment Arrangement [Abstract]  
Share-based compensation Share-based compensationSignet recorded share-based compensation expense of $10.9 million and $36.4 million for the 13 and 39 weeks ended October 30, 2021, respectively related to the Omnibus Plan and Share Saving Plans ($3.3 million and $9.6 million for the 13 and 39 weeks ended October 31, 2020, respectively).