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Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 30, 2017	Dec. 31, 2016
Accounting Policies [Abstract]
Shipping Costs	$ 11.7	$ 12.8	$ 28.4	$ 32.2
Handling Costs	$ 39.7	$ 44.1	$ 115.3	$ 127.8

X

- Definition

Handling costs included in Selling, general and administrative expenses.

+ References

No definition available.

+ Details

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Namespace Prefix:	rl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Shipping costs included in Selling, general and administrative expenses.

+ References

No definition available.

+ Details

Name:	rl_ShippingCosts
Namespace Prefix:	rl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

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