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Description of Business (Details)	3 Months Ended
	Jun. 30, 2018 Segment
Description of Business [Abstract]
Number of reportable segments	3

X

- Definition

Description of Business.

+ References

No definition available.

+ Details

Name:	rl_DescriptionOfBusinessAbstract
Namespace Prefix:	rl_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration