Common Stock, Number of Classes of Stock

No definition available.

Name:	rl_CommonStockNumberOfClassesOfStock
Namespace Prefix:	rl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Common Stock, Number of Votes per Share

+ References

No definition available.

+ Details

Name:	rl_CommonStockNumberofVotesperShare
Namespace Prefix:	rl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Conversion of Stock, Conversion Ratio

+ References

No definition available.

+ Details

Name:	rl_ConversionOfStockConversionRatio
Namespace Prefix:	rl_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Quarterly Dividend Per Share

+ References

No definition available.

+ Details

Name:	rl_QuarterlyDividendPerShare
Namespace Prefix:	rl_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfStockLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_CommonStockSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_DividendsCommonStockAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585

+ Details

Name:	us-gaap_PaymentsOfDividendsCommonStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Equity (Details Textual) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Mar. 31, 2018 USD ($) class_of_stock vote $ / shares shares	Apr. 01, 2017 USD ($) $ / shares	Apr. 02, 2016 USD ($) $ / shares
Class of Stock [Line Items]
Number of classes of stock \| class_of_stock	2
Conversion of Stock, Conversion Ratio	1
Dividends (Textual) [Abstract]
Quarterly cash dividend on common stock \| $ / shares	$ 0.50	$ 0.50	$ 0.50
Dividends paid \| $	$ 162.4	$ 164.8	$ 170.3
Common stock, Class A
Class of Stock [Line Items]
Common stock authorized to be issued \| shares	500
Number of votes per share \| vote	1
Common stock, Class B
Class of Stock [Line Items]
Common stock authorized to be issued \| shares	100
Number of votes per share \| vote	10