XML 91 R77.htm IDEA: XBRL DOCUMENT v3.19.1
Restructuring Plans - Narrative (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Nov. 03, 2018
Feb. 02, 2019
Feb. 03, 2018
Jan. 28, 2017
Restructuring Cost and Reserve [Line Items]        
Restructuring charges   $ 84.9 $ 0.0 $ 0.0
Signet Path to Brillance        
Restructuring Cost and Reserve [Line Items]        
Restructuring plan, length 3 years      
Restructuring charges   125.9    
Payments for restructuring   113.3    
Restructuring reserve   12.6 $ 0.0  
Minimum | Signet Path to Brillance        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges   200.0    
Payments for restructuring   105.0    
Maximum | Signet Path to Brillance        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges   220.0    
Payments for restructuring   $ 115.0