v3.26.1
Revenue recognition - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 3 Months Ended
May 02, 2026
May 03, 2025
Disaggregation of Revenue [Line Items]    
Total sales $ 1,553.6 $ 1,541.6
Bridal    
Disaggregation of Revenue [Line Items]    
Total sales 688.3 685.3
Fashion    
Disaggregation of Revenue [Line Items]    
Total sales 559.2 556.1
Watches    
Disaggregation of Revenue [Line Items]    
Total sales 75.4 69.5
Service sales    
Disaggregation of Revenue [Line Items]    
Total sales 201.2 191.3
Other    
Disaggregation of Revenue [Line Items]    
Total sales 29.5 39.4
Kay    
Disaggregation of Revenue [Line Items]    
Total sales 598.4 579.1
Zales    
Disaggregation of Revenue [Line Items]    
Total sales 289.1 283.2
Jared    
Disaggregation of Revenue [Line Items]    
Total sales 260.3 260.0
Blue Nile    
Disaggregation of Revenue [Line Items]    
Total sales 74.8 77.6
James Allen    
Disaggregation of Revenue [Line Items]    
Total sales 24.1 39.4
Diamonds Direct    
Disaggregation of Revenue [Line Items]    
Total sales 85.0 84.1
Banter by Piercing Pagoda    
Disaggregation of Revenue [Line Items]    
Total sales 81.5 82.2
Peoples    
Disaggregation of Revenue [Line Items]    
Total sales 47.6 40.8
International segment    
Disaggregation of Revenue [Line Items]    
Total sales 87.5 80.1
Other    
Disaggregation of Revenue [Line Items]    
Total sales 5.3 15.1
Store    
Disaggregation of Revenue [Line Items]    
Total sales 1,226.7 1,188.1
E-commerce    
Disaggregation of Revenue [Line Items]    
Total sales 322.1 338.7
Other    
Disaggregation of Revenue [Line Items]    
Total sales 4.8 14.8
North America    
Disaggregation of Revenue [Line Items]    
Total sales 1,463.0 1,450.5
North America | Bridal    
Disaggregation of Revenue [Line Items]    
Total sales 656.6 656.6
North America | Fashion    
Disaggregation of Revenue [Line Items]    
Total sales 532.8 533.0
North America | Watches    
Disaggregation of Revenue [Line Items]    
Total sales 53.3 47.8
North America | Service sales    
Disaggregation of Revenue [Line Items]    
Total sales 194.9 185.4
North America | Other    
Disaggregation of Revenue [Line Items]    
Total sales 25.4 27.7
North America | Kay    
Disaggregation of Revenue [Line Items]    
Total sales 598.4 579.1
North America | Zales    
Disaggregation of Revenue [Line Items]    
Total sales 289.1 283.2
North America | Jared    
Disaggregation of Revenue [Line Items]    
Total sales 260.3 260.0
North America | Blue Nile    
Disaggregation of Revenue [Line Items]    
Total sales 74.8 77.6
North America | James Allen    
Disaggregation of Revenue [Line Items]    
Total sales 24.1 39.4
North America | Diamonds Direct    
Disaggregation of Revenue [Line Items]    
Total sales 85.0 84.1
North America | Banter by Piercing Pagoda    
Disaggregation of Revenue [Line Items]    
Total sales 81.5 82.2
North America | Peoples    
Disaggregation of Revenue [Line Items]    
Total sales 47.6 40.8
North America | International segment    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
North America | Other    
Disaggregation of Revenue [Line Items]    
Total sales 2.2 4.1
North America | Store    
Disaggregation of Revenue [Line Items]    
Total sales 1,156.3 1,125.3
North America | E-commerce    
Disaggregation of Revenue [Line Items]    
Total sales 305.0 321.4
North America | Other    
Disaggregation of Revenue [Line Items]    
Total sales 1.7 3.8
International segment    
Disaggregation of Revenue [Line Items]    
Total sales 87.5 80.1
International segment | Bridal    
Disaggregation of Revenue [Line Items]    
Total sales 31.7 28.7
International segment | Fashion    
Disaggregation of Revenue [Line Items]    
Total sales 26.4 23.1
International segment | Watches    
Disaggregation of Revenue [Line Items]    
Total sales 22.1 21.7
International segment | Service sales    
Disaggregation of Revenue [Line Items]    
Total sales 6.3 5.9
International segment | Other    
Disaggregation of Revenue [Line Items]    
Total sales 1.0 0.7
International segment | Kay    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
International segment | Zales    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
International segment | Jared    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
International segment | Blue Nile    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
International segment | James Allen    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
International segment | Diamonds Direct    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
International segment | Banter by Piercing Pagoda    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
International segment | Peoples    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
International segment | International segment    
Disaggregation of Revenue [Line Items]    
Total sales 87.5 80.1
International segment | Other    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
International segment | Store    
Disaggregation of Revenue [Line Items]    
Total sales 70.4 62.8
International segment | E-commerce    
Disaggregation of Revenue [Line Items]    
Total sales 17.1 17.3
International segment | Other    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
Other    
Disaggregation of Revenue [Line Items]    
Total sales 3.1 11.0
Other | Bridal    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
Other | Fashion    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
Other | Watches    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
Other | Service sales    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
Other | Other    
Disaggregation of Revenue [Line Items]    
Total sales 3.1 11.0
Other | Kay    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
Other | Zales    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
Other | Jared    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
Other | Blue Nile    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
Other | James Allen    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
Other | Diamonds Direct    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
Other | Banter by Piercing Pagoda    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
Other | Peoples    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
Other | International segment    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
Other | Other    
Disaggregation of Revenue [Line Items]    
Total sales 3.1 11.0
Other | Store    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
Other | E-commerce    
Disaggregation of Revenue [Line Items]    
Total sales 0.0 0.0
Other | Other    
Disaggregation of Revenue [Line Items]    
Total sales $ 3.1 $ 11.0