v3.25.2
Goodwill and intangibles - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Aug. 02, 2025
Aug. 03, 2024
Aug. 02, 2025
Aug. 03, 2024
Jun. 01, 2024
Finite-Lived Intangible Assets [Line Items]          
Goodwill impairment     $ 53.6 $ 123.0  
Digital brands          
Finite-Lived Intangible Assets [Line Items]          
Goodwill impairment $ 53.6 $ 123.0      
Goodwill, Fair Value Disclosure         $ 203.1
Diamonds Direct | Trade names          
Finite-Lived Intangible Assets [Line Items]          
Indefinite-lived intangible asset impairment 3.0 7.0      
Indefinite-Lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure         119.0
Blue Nile | Trade names          
Finite-Lived Intangible Assets [Line Items]          
Indefinite-lived intangible asset impairment   $ 36.0      
Indefinite-Lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure         $ 60.0
James Allen | Trade names          
Finite-Lived Intangible Assets [Line Items]          
Indefinite-lived intangible asset impairment 13.0        
North America          
Finite-Lived Intangible Assets [Line Items]          
Goodwill impairment     $ 53.6    
Goodwill and Intangible Asset Impairment $ 69.6