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Summary of Significant Accounting Policies (Details 2) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Accounting Policies [Abstract]
Shipping Costs	$ 10.9	$ 9.4	$ 19.6	$ 16.7
Handling Costs	$ 39.0	$ 38.4	$ 74.7	$ 75.6

X

- Definition

Handling costs included in Selling, general and administrative expenses.

+ References

No definition available.

+ Details

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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
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