v3.8.0.1
Document and Entity Information - shares
9 Months Ended
Dec. 30, 2017
Feb. 02, 2018
Entity Registrant Name RALPH LAUREN CORP  
Entity Central Index Key 0001037038  
Document Type 10-Q  
Document Period End Date Dec. 30, 2017  
Amendment Flag false  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q3  
Current Fiscal Year End Date --03-31  
Entity Filer Category Large Accelerated Filer  
Class A common stock    
Entity Common Stock, Shares Outstanding   55,408,452
Class B common stock    
Entity Common Stock, Shares Outstanding   25,881,276