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Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Apr. 02, 2016
Accounting Policies [Abstract]
Shipping Costs	$ 39.1	$ 42.8	$ 44.6
Handling Costs	$ 155.4	$ 170.1	$ 181.2

X

- Definition

Handling costs included in Selling, general and administrative expenses.

+ References

No definition available.

+ Details

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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

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- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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