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Summary of Significant Accounting Policies (Details 2) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2018	Jul. 01, 2017
Accounting Policies [Abstract]
Shipping Costs	$ 8.7	$ 7.3
Handling Costs	$ 35.7	$ 37.2

X

- Definition

Handling costs included in Selling, general and administrative expenses.

+ References

No definition available.

+ Details

Name:	rl_HandlingCosts
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