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Document and Entity Information (USD $)	6 Months Ended
Document and Entity Information (USD $)	Oct. 01, 2011	Oct. 02, 2010	Nov. 04, 2011 Common stock, Class A	Nov. 04, 2011 Common stock, Class B
Entity Registrant Name	RALPH LAUREN CORP
Entity Central Index Key	0001037038
Document Type	10-Q
Document Period End Date	Oct. 01, 2011
Amendment Flag	false
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--03-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float		$ 5,775,447,322
Entity Common Stock, Shares Outstanding			61,298,249	30,831,276