v3.26.1
Revenue recognition - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 12 Months Ended
Jan. 31, 2026
Feb. 01, 2025
Feb. 03, 2024
Disaggregation of Revenue [Line Items]      
Total sales $ 6,813.6 $ 6,703.8 $ 7,171.1
Bridal      
Disaggregation of Revenue [Line Items]      
Total sales 2,863.6 2,860.4 3,123.7
Fashion      
Disaggregation of Revenue [Line Items]      
Total sales 2,630.5 2,638.6 2,761.9
Watches      
Disaggregation of Revenue [Line Items]      
Total sales 350.4 318.2 345.7
Service sales      
Disaggregation of Revenue [Line Items]      
Total sales 803.5 745.2 741.5
Other      
Disaggregation of Revenue [Line Items]      
Total sales 165.6 141.4 198.3
Kay      
Disaggregation of Revenue [Line Items]      
Total sales 2,572.6 2,495.0 2,600.0
Zales      
Disaggregation of Revenue [Line Items]      
Total sales 1,235.5 1,191.0 1,266.9
Jared      
Disaggregation of Revenue [Line Items]      
Total sales 1,143.0 1,102.7 1,189.6
Blue Nile      
Disaggregation of Revenue [Line Items]      
Total sales 339.0 346.5 384.4
James Allen      
Disaggregation of Revenue [Line Items]      
Total sales 142.5 213.7 278.4
Diamonds Direct      
Disaggregation of Revenue [Line Items]      
Total sales 374.1 392.2 408.1
Banter by Piercing Pagoda      
Disaggregation of Revenue [Line Items]      
Total sales 330.1 339.2 347.1
Peoples      
Disaggregation of Revenue [Line Items]      
Total sales 213.2 197.8 196.0
International      
Disaggregation of Revenue [Line Items]      
Total sales 410.4 373.2 430.7
Other      
Disaggregation of Revenue [Line Items]      
Total sales 53.2 52.5 69.9
Store      
Disaggregation of Revenue [Line Items]      
Total sales 5,275.9 5,135.4 5,474.4
eCommerce      
Disaggregation of Revenue [Line Items]      
Total sales 1,485.7 1,521.7 1,640.4
Other      
Disaggregation of Revenue [Line Items]      
Total sales 52.0 46.7 56.3
North America      
Disaggregation of Revenue [Line Items]      
Total sales 6,363.6 6,299.1 6,703.8
North America | Bridal      
Disaggregation of Revenue [Line Items]      
Total sales 2,731.5 2,733.2 2,981.8
North America | Fashion      
Disaggregation of Revenue [Line Items]      
Total sales 2,506.7 2,521.0 2,637.5
North America | Watches      
Disaggregation of Revenue [Line Items]      
Total sales 240.3 217.3 212.0
North America | Service sales      
Disaggregation of Revenue [Line Items]      
Total sales 763.4 721.3 715.2
North America | Other      
Disaggregation of Revenue [Line Items]      
Total sales 121.7 106.3 157.3
North America | Kay      
Disaggregation of Revenue [Line Items]      
Total sales 2,572.6 2,495.0 2,600.0
North America | Zales      
Disaggregation of Revenue [Line Items]      
Total sales 1,235.5 1,191.0 1,266.9
North America | Jared      
Disaggregation of Revenue [Line Items]      
Total sales 1,143.0 1,102.7 1,189.6
North America | Blue Nile      
Disaggregation of Revenue [Line Items]      
Total sales 339.0 346.5 384.4
North America | James Allen      
Disaggregation of Revenue [Line Items]      
Total sales 142.5 213.7 278.4
North America | Diamonds Direct      
Disaggregation of Revenue [Line Items]      
Total sales 374.1 392.2 408.1
North America | Banter by Piercing Pagoda      
Disaggregation of Revenue [Line Items]      
Total sales 330.1 339.2 347.1
North America | Peoples      
Disaggregation of Revenue [Line Items]      
Total sales 213.2 197.8 196.0
North America | International      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
North America | Other      
Disaggregation of Revenue [Line Items]      
Total sales 13.6 21.0 33.3
North America | Store      
Disaggregation of Revenue [Line Items]      
Total sales 4,952.4 4,846.3 5,125.1
North America | eCommerce      
Disaggregation of Revenue [Line Items]      
Total sales 1,398.8 1,437.6 1,559.0
North America | Other      
Disaggregation of Revenue [Line Items]      
Total sales 12.4 15.2 19.7
International      
Disaggregation of Revenue [Line Items]      
Total sales 410.4 373.2 430.7
International | Bridal      
Disaggregation of Revenue [Line Items]      
Total sales 132.1 127.2 141.9
International | Fashion      
Disaggregation of Revenue [Line Items]      
Total sales 123.8 117.6 124.4
International | Watches      
Disaggregation of Revenue [Line Items]      
Total sales 110.1 100.9 133.7
International | Service sales      
Disaggregation of Revenue [Line Items]      
Total sales 40.1 23.9 26.3
International | Other      
Disaggregation of Revenue [Line Items]      
Total sales 4.3 3.6 4.4
International | Kay      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
International | Zales      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
International | Jared      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
International | Blue Nile      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
International | James Allen      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
International | Diamonds Direct      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
International | Banter by Piercing Pagoda      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
International | Peoples      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
International | International      
Disaggregation of Revenue [Line Items]      
Total sales 410.4 373.2 430.7
International | Other      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
International | Store      
Disaggregation of Revenue [Line Items]      
Total sales 323.5 289.1 349.3
International | eCommerce      
Disaggregation of Revenue [Line Items]      
Total sales 86.9 84.1 81.4
International | Other      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
Other      
Disaggregation of Revenue [Line Items]      
Total sales 39.6 31.5 36.6
Other | Bridal      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
Other | Fashion      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
Other | Watches      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
Other | Service sales      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
Other | Other      
Disaggregation of Revenue [Line Items]      
Total sales 39.6 31.5 36.6
Other | Kay      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
Other | Zales      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
Other | Jared      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
Other | Blue Nile      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
Other | James Allen      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
Other | Diamonds Direct      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
Other | Banter by Piercing Pagoda      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
Other | Peoples      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
Other | International      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
Other | Other      
Disaggregation of Revenue [Line Items]      
Total sales 39.6 31.5 36.6
Other | Store      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
Other | eCommerce      
Disaggregation of Revenue [Line Items]      
Total sales 0.0 0.0 0.0
Other | Other      
Disaggregation of Revenue [Line Items]      
Total sales $ 39.6 $ 31.5 $ 36.6